Oak Avenue (CA)
Oak Avenue Intermediate School (Temple City, CA)
- 2024 Southern California Science Olympiad State Tournament (Div. B) — 14th
- 2024 Sierra Vista Invitational (Div. B) — 20th
- 2024 Troy High School Science Olympiad Invitational (Div. B) — 17th
- 2023 Southern California Science Olympiad State Tournament (Div. B) — 12th
- 2023 Los Angeles Rio Hondo College Regional Tournament (Div. B) — 4th
- 2023 Sierra Vista Invitational (Div. B) — 23rd
- 2022 Southern California Science Olympiad State Tournament (Div. B) — 18th
- 2022 SoCal Los Angeles/Santa Barbara Regional (Div. B) — 3rd
- 2020 Ladera Vista Science Olympiad Invitational (Div. B) — 19th
- 2019 Southern California Science Olympiad State Tournament (Div. B) — 23rd
- 2018 Southern California Science Olympiad State Tournament (Div. B) — 26th
Oakbrook Preparatory Academy (SC)
Oakbrook Preparatory School (SC)
Oakcrest School (Vienna, VA)
- 2024 Fairfax Regional Tournament (Div. B) — 19th
- 2024 Fairfax Regional Tournament (Div. C) — 15th, 26th
- 2023 Virginia Science Olympiad State Tournament (Div. B) — 24th
- 2023 Thomas Jefferson Regional Tournament (Div. B) — 10th, 19th
- 2023 Thomas Jefferson Regional Tournament (Div. C) — 17th, 27th
- 2022 Virginia Science Olympiad State Tournament (Div. B) — 24th
- 2022 Virginia Science Olympiad State Tournament (Div. C) — 24th
- 2022 Lake Braddock Regional Tournament (Div. B) — 9th
- 2022 Lake Braddock Regional Tournament (Div. C) — 13th, 25th
- 2021 Virginia Science Olympiad State Tournament (Div. B) — 23rd
- 2021 Virginia Science Olympiad State Tournament (Div. C) — 23rd
- 2021 Hooke Regional Tournament (Div. B) — 10th
- 2021 Hooke Regional Tournament (Div. C) — 9th
- 2020 University of Mary Washington Regional Tournament (Div. B) — 10th
- 2020 University of Mary Washington Regional Tournament (Div. C) — 11th, 13th
- 2019 Virginia Science Olympiad State Tournament (Div. C) — 19th
- 2019 Fairfax High School Regional Tournament (Div. B) — 30th
- 2019 Fairfax High School Regional Tournament (Div. C) — 16th, 26th
- 2018 Woodson Regional Tournament (Div. B) — 26th
- 2018 Woodson Regional Tournament (Div. C) — 17th, 24th
- 2017 Lake Braddock Regional Tournament (Div. B) — 21st
- 2017 Lake Braddock Regional Tournament (Div. C) — 30th, 35th
- 2016 Marshall Regional Tournament (Div. C) — 19th
Oakdale Charter (Oakdale, CA)
- 2023 Stanislaus Regional Tournament (Div. C) — 17th
- 2022 Stanislaus Regional Tournament (Div. C) — 14th
- 2021 Stanislaus Regional Tournament (Div. C) — 12th
Oakdale High School (Ijamsville, MD)
Oakdale High School (Oakdale, CA)
- 2023 Stanislaus Regional Tournament (Div. C) — 15th
- 2022 Stanislaus Regional Tournament (Div. C) — 10th
- 2022 Golden Gate Science Olympiad Invitational (Div. C) — 74th
- 2022 Science Olympiad at UC Davis Aggie Invitational (Div. C) — 41st
- 2022 Science Olympiad National Invitational (Div. C) — 218th
- 2021 Stanislaus Regional Tournament (Div. C) — 17th
- 2021 Golden Gate Science Olympiad Invitational (Div. C) — 146th
- 2021 Science Olympiad at UC Davis Aggie Invitational (Div. C) — 69th
- 2020 Golden Gate Science Olympiad Invitational (Div. C) — 49th
- 2020 Science Olympiad at UC Davis Aggie Invitational (Div. C) — 36th
- 2019 Northern California Science Olympiad State Tournament (Div. C) — 28th
- 2019 Golden Gate Science Olympiad Invitational (Div. C) — 47th
- 2019 Mira Loma High School Science Olympiad Invitational (Div. C) — 30th
- 2018 Northern California Science Olympiad State Tournament (Div. C) — 24th
- 2018 Golden Gate Science Olympiad Invitational (Div. C) — 47th
- 2017 Northern California Science Olympiad State Tournament (Div. C) — 19th
- 2017 Golden Gate Science Olympiad Invitational (Div. C) — 34th
- 2016 Northern California Science Olympiad State Tournament (Div. C) — 20th
- 2015 Northern California Science Olympiad State Tournament (Div. C) — 24th
- 2014 Northern California Science Olympiad State Tournament (Div. C) — 19th
- 2013 Northern California Science Olympiad State Tournament (Div. C) — 19th
- 2012 Northern California Science Olympiad State Tournament (Div. C) — 19th
- 2011 Northern California Science Olympiad State Tournament (Div. C) — 15th
Oakdale Junior High School (CA)
- 2024 Northern California Science Olympiad State Tournament (Div. B) — 23rd
- 2023 Northern California Science Olympiad State Tournament (Div. B) — 22nd
- 2022 Northern California Science Olympiad State Tournament (Div. B) — 29th
- 2021 Northern California Science Olympiad State Tournament (Div. B) — 27th
- 2021 Stanislaus Regional Tournament (Div. B) — 5th
Oakdale Middle School (Ijamsville, MD)
- 2022 Maryland Science Olympiad State Tournament (Div. B) — 11th
- 2022 Central Maryland Regional Tournament (Div. B) — 17th
- 2021 Maryland Science Olympiad State Tournament (Div. B) — 11th
- 2021 Central Maryland Regional Tournament (Div. B) — 15th
- 2020 Central Maryland Regional Tournament (Div. B) — 22nd
- 2019 Maryland Science Olympiad State Tournament (Div. B) — 12th
- 2016 Maryland Science Olympiad State Tournament (Div. B) — 6th
Oakdale Middle School (OK)
- 2024 Oklahoma Science Olympiad State Tournament (Div. B) — 2nd
- 2023 Science Olympiad National Tournament (Div. B) — 48th
Oak Grove Elementary School (CA)
- 2019 Northern California Science Olympiad State Tournament (Div. B) — 19th
- 2018 Northern California Science Olympiad State Tournament (Div. B) — 20th
Oak Grove High School (MS)
Oak Grove Middle School (MS)
- 2019 Mississippi Science Olympiad State Tournament (Div. B) — 9th
- 2019 Gulf South Regional Tournament (Div. B) — 7th
Oak Grove Middle School (Oak Grove, MO)
- 2019 Missouri Science Olympiad State Tournament (Div. B) — 5th
- 2018 Missouri Science Olympiad State Tournament (Div. B) — 4th
- 2017 Missouri Science Olympiad State Tournament (Div. B) — 5th
- 2016 Missouri Science Olympiad State Tournament (Div. B) — 5th
- 2015 Missouri Science Olympiad State Tournament (Div. B) — 5th
Oak Hall School (FL)
- 2022 North Florida Regional Tournament (Div. C) — 6th
- 2020 Orlando Science Schools October Invitational (Div. B) — 20th
Oak Harbor High School (Oak Harbor, OH)
- 2024 Ohio Science Olympiad State Tournament (Div. C) — 31st
- 2024 Mentor Science Olympiad Invitational (Div. C) — 27th
- 2024 Northview Science Olympiad Invitational (Div. C) — 42nd
- 2023 Ohio Science Olympiad State Tournament (Div. C) — 33rd
- 2023 Mentor High Invitational (Div. C) — 30th
- 2023 Northview Science Olympiad Invitational (Div. C) — 33rd
- 2022 Ohio Science Olympiad State Tournament (Div. C) — 38th
Oak Harbor Middle School (Oak Harbor, OH)
Oak Hill Elementary School (Herndon, VA)
- 2023 Virginia Science Olympiad State Tournament (Div. B) — 22nd
- 2023 Charlottesville Regional Tournament (Div. B) — 4th, 14th, 15th
- 2022 Virginia Science Olympiad State Tournament (Div. B) — 20th
- 2022 Charlottesville Regional Tournament (Div. B) — 6th, 9th, 11th
- 2021 Leibniz Regional Tournament (Div. B) — 12th, 13th
- 2021 Lake Braddock Invitational (Div. B) — 79th, 81st
- 2020 University of Mary Washington Regional Tournament (Div. B) — 12th, 13th, 15th
- 2019 Fairfax High School Regional Tournament (Div. B) — 24th, 25th
- 2018 Fairfax Regional Tournament (Div. B) — 21st
- 2017 Fairfax Regional Tournament (Div. B) — 18th
- 2013 Stone Regional Tournament (Div. B) — 15th, 16th
- 2012 Virginia Science Olympiad State Tournament (Div. B) — 22nd
- 2012 Kilmer Regional Tournament (Div. B) — 12th
Oakland Mills High School (Columbia, MD)
- 2024 Maryland Science Olympiad State Tournament (Div. C) — 12th
- 2024 Eastern Maryland Regional Tournament (Div. C) — 7th, 17th
- 2024 Princeton University Science Olympiad Invitational (Div. C) — 35th, 51st
- 2024 Battle at Valley Forge Science Olympiad Invitational (Div. C) — 26th, 44th
- 2023 Maryland Science Olympiad State Tournament (Div. C) — 20th
- 2023 Eastern Maryland Regional Tournament (Div. C) — 13th, 17th
- 2023 Fairfax High School Science Olympiad Invitational (Div. C) — 35th, 42nd
- 2023 Princeton University Science Olympiad Invitational (Div. C) — 36th, 49th
- 2022 Maryland Science Olympiad State Tournament (Div. C) — 15th
- 2022 Mount Hebron Regionals (Div. C) — 10th, 15th
- 2022 Science Olympiad at University of Pennsylvania Invitational (Div. C) — 67th
- 2022 Princeton University Science Olympiad Invitational (Div. C) — 54th
- 2021 Maryland Science Olympiad State Tournament (Div. C) — 22nd
- 2021 Eastern Maryland Regional Tournament (Div. C) — 18th, 23rd
- 2021 River Hill Science Olympiad Invitational (Div. C) — 63rd
- 2021 University of Cincinnati Science Olympiad Invitational (Div. C) — 61st
- 2021 Fairfax High School Science Olympiad Invitational (Div. C) — 63rd
- 2021 National Cathedral School Science Olympiad Invitational (Div. C) — 14th, 18th
- 2020 Eastern Maryland Regional Tournament (Div. C) — 43rd
- 2020 Princeton University Science Olympiad Invitational (Div. C) — 44th
- 2020 University of Maryland Invitational (Div. C) — 10th
- 2020 National Cathedral School Science Olympiad Invitational (Div. C) — 23rd
- 2019 Maryland Science Olympiad State Tournament (Div. C) — 21st
- 2019 Princeton University Science Olympiad Invitational (Div. C) — 42nd
- 2019 Fairfax High School Science Olympiad Invitational (Div. C) — 31st
Oaklawn Elementary School (Menomonie, WI)
Oak Middle School (Los Alamitos, CA)
- 2024 Orange County Regional Tournament (Div. B) — 21st
- 2024 Sierra Vista Invitational (Div. B) — 47th
- 2023 Orange County Regionals (Div. B) — 9th
- 2023 Sierra Vista Invitational (Div. B) — 35th, 38th
- 2022 SoCal Orange County Regional (Div. B) — 16th, 22nd
- 2021 Orange County Regionals (Div. B) — 14th, 19th
- 2020 Orange County Regionals (Div. B) — 8th
- 2020 Jeffrey Trail Invitational (Div. B) — 23rd, 41st
- 2020 Glen A. Wilson Science Olympiad Invitational (Div. B) — 18th, 33rd
- 2020 Ladera Vista Science Olympiad Invitational (Div. B) — 13th
- 2019 Orange County Regional Tournament (Div. B) — 9th
- 2019 Kraemer Science Olympiad Invitational (Div. B) — 31st, 44th
Oakmont High School (Roseville, CA)
- 2024 Sacramento Regional Tournament (Div. C) — 26th
- 2023 Sacramento Regional Tournament (Div. C) — 27th
Oak Mountain MIddle School (Oak Mountain, AL)
Oak Park and River Forest High School (IL)
- 2024 Loyola Academy Science Olympiad Invitational (Div. C) — 11th, 26th
- 2024 Libertyville High School Science Olympiad Invitational (Div. C) — 15th, 17th
- 2023 Loyola Academy Science Olympiad Invitational (Div. C) — 12th, 18th
- 2023 Battle of the States (Div. C) — 40th
- 2022 Palatine Science Olympiad Invitational (Div. C) — 26th, 28th, 78th
- 2021 Palatine High School Science Olympiad Invitational (Div. C) — 32nd, 45th
- 2020 Palatine High School Science Olympiad Invitational (Div. C) — 34th, 40th
Oak Park High School (Kansas City, MO)
- 2024 John Dedrick Memorial Tournament (Div. C) — 11th
- 2023 Missouri Science Olympiad State Tournament (Div. C) — 13th
- 2023 Pembroke Hill Science Olympiad Invitational (Div. C) — 17th
- 2023 O-Town Throwdown (Div. C) — 14th
- 2022 Missouri Science Olympiad State Tournament (Div. C) — 21st
- 2022 Missouri Region 3Tournament (Div. C) — 2nd
- 2021 Missouri Science Olympiad State Tournament (Div. C) — 19th
- 2019 Missouri Science Olympiad State Tournament (Div. C) — 10th
- 2018 Missouri Science Olympiad State Tournament (Div. C) — 13th
- 2008 Science Olympiad National Tournament (Div. C) — 24th
- 2007 Science Olympiad National Tournament (Div. C) — 27th
- 2006 Science Olympiad National Tournament (Div. C) — 26th
- 2005 Science Olympiad National Tournament (Div. C) — 18th
- 2004 Science Olympiad National Tournament (Div. C) — 18th
- 2003 Science Olympiad National Tournament (Div. C) — 15th
- 2002 Science Olympiad National Tournament (Div. C) — 11th
- 2001 Science Olympiad National Tournament (Div. C) — 5th
- 1999 Science Olympiad National Tournament (Div. C) — 15th
Oak Park High School (Oak Park, CA)
- 2024 Santa Barbara Regional (Div. C) — 3rd, 4th
- 2023 Santa Barbara Regional (Div. C) — 2nd, 3rd
- 2022 SoCal Los Angeles/Santa Barbara Regional (Div. C) — 29th
- 2021 Los Angeles and Santa Barbara Regional Tournament (Div. C) — 32nd
Oak Park High School (Oak Park, MO)
- 2024 Missouri Science Olympiad State Tournament (Div. C) — 13th
- 2017 Missouri Science Olympiad State Tournament (Div. C) — 13th
- 2000 Science Olympiad National Tournament (Div. C) — 16th
- 1998 Science Olympiad National Tournament (Div. C) — 20th
- 1997 Science Olympiad National Tournament (Div. C) — 8th
- 1996 Science Olympiad National Tournament (Div. C) — 13th
- 1995 Science Olympiad National Tournament (Div. C) — 18th
- 1994 Science Olympiad National Tournament (Div. C) — 21st
- 1993 Science Olympiad National Tournament (Div. C) — 7th
- 1991 Science Olympiad National Tournament (Div. C) — 14th
- 1989 Science Olympiad National Tournament (Div. C) — 7th
Oak Park River Forest High School (IL)
- 2024 Illinois Science Olympiad State Tournament (Div. C) — 24th
- 2024 Harper Community College Regional Tournament (Div. C) — 4th, 8th
- 2024 Palatine High School Science Olympiad Invitational (Div. C) — 24th, 28th
- 2023 Illinois Science Olympiad State Tournament (Div. C) — 10th
- 2023 Palatine Science Olympiad Invitational (Div. C) — 13th, 19th
- 2022 Illinois Science Olympiad State Tournament (Div. C) — 12th
- 2022 Neuqua Valley HS JV Regional Tournament (Div. C) — 2nd
- 2022 Neuqua Valley HS Regional VarsityTournament (Div. C) — 2nd
- 2021 Illinois Science Olympiad State Tournament (Div. C) — 30th
- 2020 Crystal Lake Central High School Science Olympiad Invitational (Div. C) — 21st, 24th
- 2019 Palatine High School Science Olympiad Invitational (Div. C) — 34th, 49th
Oak Ridge High School (El Dorado Hills, CA)
- 2024 Sacramento Regional Tournament (Div. C) — 8th, 13th, 20th
- 2023 Sacramento Regional Tournament (Div. C) — 7th, 13th
- 2022 Sacramento Regional Tournament (Div. C) — 14th, 20th
- 2019 Ukiah Science Olympiad Invitational (Div. C) — 8th
- 2018 Golden Gate Science Olympiad Invitational (Div. C) — 35th
- 2017 Golden Gate Science Olympiad Invitational (Div. C) — 31st
Oak Ridge High School (TN)
- 2009 Science Olympiad National Tournament (Div. C) — 27th
- 2006 Science Olympiad National Tournament (Div. C) — 18th
- 2005 Science Olympiad National Tournament (Div. C) — 13th
- 2004 Science Olympiad National Tournament (Div. C) — 21st
- 2003 Science Olympiad National Tournament (Div. C) — 19th
- 2002 Science Olympiad National Tournament (Div. C) — 23rd
- 1999 Science Olympiad National Tournament (Div. C) — 29th
- 1998 Science Olympiad National Tournament (Div. C) — 28th
- 1997 Science Olympiad National Tournament (Div. C) — 22nd
- 1995 Science Olympiad National Tournament (Div. C) — 30th
- 1993 Science Olympiad National Tournament (Div. C) — 32nd
- 1990 Science Olympiad National Tournament (Div. C) — 20th
Oakton Elementary School (Oakton, VA)
Oakton Elementary School (Vienna, VA)
Oakton High School (Vienna, VA)
- 2024 Virginia Science Olympiad State Tournament (Div. C) — 7th
- 2024 Lake Braddock Regional Tournament (Div. C) — 1st, 8th, 30th
- 2024 Fairfax High School Science Olympiad Invitational (Div. C) — 9th, 56th
- 2023 Virginia Science Olympiad State Tournament (Div. C) — 6th
- 2023 Charlottesville Regional Tournament (Div. C) — 1st, 4th, 28th
- 2023 Fairfax High School Science Olympiad Invitational (Div. C) — 8th, 19th, 25th
- 2022 Virginia Science Olympiad State Tournament (Div. C) — 13th
- 2022 Charlottesville Regional Tournament (Div. C) — 5th, 11th, 23rd
- 2022 Fairfax High School Science Olympiad Invitational (Div. C) — 13th, 19th
- 2022 Boyceville Satellite Science Olympiad Invitational (Div. C) — 64th, 89th, 104th
- 2021 Virginia Science Olympiad State Tournament (Div. C) — 14th
- 2021 Newton Regional Tournament (Div. C) — 8th, 14th, 19th
- 2021 Rickards Science Olympiad Invitational (Div. C) — 25th, 39th, 44th
- 2021 Boyceville Mini SO Science Olympiad Invitational (Div. C) — 11th, 23rd, 27th
- 2020 Charlottesville Regional Tournament (Div. C) — 3rd, 13th
- 2020 Fairfax High School Science Olympiad Invitational (Div. C) — 21st, 36th
- 2020 National Cathedral School Science Olympiad Invitational (Div. C) — 12th, 27th
- 2019 Virginia Science Olympiad State Tournament (Div. C) — 6th
- 2019 Charlottesville Regional Tournament (Div. C) — 4th, 5th, 15th
- 2019 Fairfax High School Science Olympiad Invitational (Div. C) — 6th, 22nd, 49th
- 2018 Virginia Science Olympiad State Tournament (Div. C) — 11th
- 2018 Charlottesville Regional Tournament (Div. C) — 6th, 8th, 11th
- 2018 Fairfax High School Science Olympiad Invitational (Div. C) — 24th, 27th, 29th
- 2017 Virginia Science Olympiad State Tournament (Div. C) — 13th
- 2017 Charlottesville Regional Tournament (Div. C) — 3rd, 4th, 5th
- 2016 Virginia Science Olympiad State Tournament (Div. C) — 7th
- 2016 Charlottesville Regional Tournament (Div. C) — 1st, 3rd, 7th
- 2015 Virginia Science Olympiad State Tournament (Div. C) — 7th
- 2015 Charlottesville Regional Tournament (Div. C) — 2nd, 3rd, 6th
- 2015 Fairfax High School Science Olympiad Invitational (Div. C) — 16th, 21st, 26th
- 2014 Virginia Science Olympiad State Tournament (Div. C) — 8th
- 2014 Charlottesville Regional Tournament (Div. C) — 2nd, 4th, 7th
- 2013 Virginia Science Olympiad State Tournament (Div. C) — 10th
- 2013 Charlottesville Regional Tournament (Div. C) — 3rd, 4th
- 2012 Virginia Science Olympiad State Tournament (Div. C) — 10th
- 2012 Kilmer Regional Tournament (Div. C) — 19th, 20th
- 2011 Virginia Science Olympiad State Tournament (Div. C) — 20th
- 2011 Rachel Carson Regional Tournament (Div. C) — 17th
- 2009 Langley Regional Tournament (Div. C) — 10th
Oak Valley Middle School (San Diego, CA)
- 2024 Southern California Science Olympiad State Tournament (Div. B) — 3rd
- 2024 Orange County School of the Arts Invitational (Div. B) — 19th
- 2024 San Diego Regional (Div. B) — 1st, 3rd, 6th, 7th, 11th, 14th
- 2024 BirdSO Satellite Invitational (Div. B) — 7th, 13th, 26th, 42nd, 43rd, 47th
- 2024 Sierra Vista Invitational (Div. B) — 12th, 26th, 27th
- 2024 BirdSO Science Olympiad Invitational (Div. B) — 6th, 9th, 19th, 20th, 29th, 32nd
- 2024 Troy High School Science Olympiad Invitational (Div. B) — 7th, 8th, 16th
- 2023 Southern California Science Olympiad State Tournament (Div. B) — 4th
- 2023 BirdSO Satellite Invitational (Div. B) — 5th, 23rd, 25th, 30th, 33rd, 36th, 46th
- 2023 BirdSO In-Person Invitational (Div. B) — 4th, 11th, 13th, 16th, 23rd, 26th, 31st
- 2022 Southern California Science Olympiad State Tournament (Div. B) — 3rd
- 2022 Kennedy Science Olympiad Invitational (Div. B) — 3rd, 11th, 20th, 24th, 25th, 30th
- 2022 Science Olympiad National Invitational (Div. B) — 4th, 18th, 25th, 30th, 44th, 52nd
- 2022 Troy High School Division B Invitational (Div. B) — 6th
- 2021 Sierra Vista Science Olympiad Invitational (Div. B) — 5th, 10th, 22nd, 28th, 33rd, 49th
- 2021 BEARSO Invitational (Div. B) — 10th, 12th, 26th
- 2020 Carmel Valley Science Olympiad Invitational (Div. B) — 1st, 4th, 5th, 8th, 12th, 15th
- 2020 Ladera Vista Science Olympiad Invitational (Div. B) — 1st, 4th
- 2019 Southern California Science Olympiad State Tournament (Div. B) — 3rd
- 2019 Kraemer Science Olympiad Invitational (Div. B) — 3rd, 6th, 15th, 16th
- 2019 Carmel Valley Science Olympiad Invitational (Div. B) — 1st, 5th, 13th, 14th
- 2018 Southern California Science Olympiad State Tournament (Div. B) — 3rd
- 2017 Science Olympiad National Tournament (Div. B) — 16th
Oakwood Middle School (OH)
Oñate High School (NM)
O.A. Todd Middle School (NY)
Oberlin Magnet Middle School (NC)
- 2024 North Carolina Science Olympiad State Tournament (Div. B) — 54th
- 2022 Raleigh Regional Tournament (Div. B) — 11th
Obra D. Tompkins High School (Katy, TX)
- 2025 Cypress Falls Invitational (Div. C) — 7th, 14th
- 2024 Texas Science Olympiad State Tournament (Div. C) — 7th
- 2024 BirdSO Satellite Invitational (Div. C) — 33rd, 70th, 112th
- 2024 University of Texas at Austin Science Olympiad Invitational (Div. C) — 8th, 23rd
- 2024 Cypress Falls Science Olympiad Invitational (Div. C) — 7th
- 2024 Rickards Science Olympiad Invitational (Div. C) — 16th, 57th, 132nd
- 2023 Texas Science Olympiad State Tournament (Div. C) — 5th
- 2023 San Antonio Regional Tournament (Div. C) — 1st, 5th
- 2023 Carnegie Mellon University Science Olympiad Invitational (Div. C) — 6th
- 2023 Seven Lakes High School Science Olympiad Invitational (Div. C) — 5th, 17th
- 2023 Cypress Falls Invitational (Div. C) — 4th, 13th
- 2023 University of Texas at Austin Invitational (Div. C) — 10th, 19th
- 2022 Texas Science Olympiad State Tournament (Div. C) — 7th
- 2022 San Antonio Regional (Div. C) — 2nd, 5th
- 2022 Seven Lakes High School Science Olympiad Invitational (Div. C) — 5th, 18th
- 2022 University of Texas at Austin Invitational (Div. C) — 7th
- 2021 BirdSO Science Olympiad Invitational (Div. C) — 27th, 73rd
- 2021 Harvard-Brown Science Olympiad Invitational (Div. C) — 109th, 112th
- 2021 Transcontinental Invitational (Div. C) — 2nd, 14th
- 2021 University of Texas at Austin Fall Invitational (Div. C) — 17th, 56th
- 2020 Brown University Science Olympiad Invitational (Div. C) — 5th, 11th
- 2020 Rice University Science Olympiad Invitational (Div. C) — 2nd, 6th, 11th
- 2020 Seven Lakes High School Science Olympiad Invitational (Div. C) — 2nd, 6th
- 2020 Cypress Falls Science Olympiad Invitational (Div. C) — 6th, 10th, 13th
- 2019 University of Texas at Austin Regional Tournament (Div. C) — 4th, 7th
- 2019 Rice University Science Olympiad Invitational (Div. C) — 9th, 12th
- 2019 University of Texas at Austin Fall Invitational (Div. C) — 11th, 12th
Ocean Air School (San Diego, CA)
- 2024 Southern California Science Olympiad State Tournament (Div. B) — 18th
- 2024 Orange County School of the Arts Invitational (Div. B) — 11th
- 2024 San Diego Regional (Div. B) — 10th, 31st, 41st, 47th, 54th
- 2024 BirdSO Science Olympiad Invitational (Div. B) — 25th, 47th, 58th, 66th, 68th
- 2023 Southern California Science Olympiad State Tournament (Div. B) — 22nd
- 2023 BirdSO Satellite Invitational (Div. B) — 67th, 121st, 131st, 133rd
- 2023 Sierra Vista Invitational (Div. B) — 44th, 46th, 59th
- 2023 BirdSO In-Person Invitational (Div. B) — 35th, 49th, 54th, 57th
- 2022 Southern California Science Olympiad State Tournament (Div. B) — 28th
- 2022 Southern California Science Olympiad State Tournament (Div. A) — 10th
- 2022 Kennedy Science Olympiad Invitational (Div. B) — 79th, 79th, 79th
- 2022 BirdSO Satellite Invitational (Div. B) — 68th, 110th, 160th
- 2020 Jeffrey Trail Invitational (Div. B) — 18th, 33rd, 65th
- 2020 Carmel Valley Science Olympiad Invitational (Div. B) — 22nd, 29th, 44th
- 2019 Southern California Science Olympiad State Tournament (Div. B) — 18th
- 2019 Kraemer Science Olympiad Invitational (Div. B) — 24th, 33rd, 47th, 61st
- 2019 Carmel Valley Science Olympiad Invitational (Div. B) — 18th, 32nd, 35th, 49th
- 2018 Southern California Science Olympiad State Tournament (Div. B) — 15th
Ocean City Intermediate School (NJ)
Oceanside High School (NY)
- 2023 Nassau West Regional Tournament (Div. C) — 20th
- 2022 New York Nassau West Regional Tournament (Div. C) — 19th
- 2020 Nassau West Regional Tournament (Div. C) — 20th
Ocean Springs Elementary School (MS)
- 2019 Mississippi Science Olympiad State Tournament (Div. B) — 11th
- 2019 Gulf South Regional Tournament (Div. B) — 4th
Ocoee Middle School (TN)
Oconee County High School (Watkinsville, GA)
- 2024 UNG - Gainesville Regional (Div. C) — 9th
- 2023 University of North Georgia - Dahlonega Regional Tournament (Div. C) — 11th
- 2022 University of Georgia Regional Tournament (Div. C) — 4th, 6th
- 2021 Georgia Science Olympiad State Tournament (Div. C) — 59th
Oconee County Middle School (Watkinsville, GA)
- 2025 Georgia Scrimmage Science Olympiad Invitational (Div. B) — 99th, 101st
- 2024 Georgia Science Olympiad State Tournament (Div. B) — 12th
- 2024 Chattahoochee High School Science Olympiad Invitational (Div. B) — 32nd
- 2024 Rickards Science Olympiad Invitational (Div. B) — 97th
- 2023 Georgia Scrimmage (Div. B) — 43rd
- 2019 Georgia Science Olympiad State Tournament (Div. B) — 18th
Odessa High School (DE)
- 2024 Delaware Science Olympiad State Tournament (Div. C) — 36th, 37th
- 2023 Delaware Science Olympiad State Tournament (Div. C) — 42nd
- 2022 Delaware Science Olympiad State Tournament (Div. C) — 35th
- 2021 Delaware Science Olympiad State Tournament (Div. C) — 45th
Odle Middle School (Bellevue, WA)
- 2024 Washington Science Olympiad State Tournament (Div. B) — 8th, 10th
- 2023 Washington Science Olympiad State Tournament (Div. B) — 12th
- 2022 Washington Science Olympiad State Tournament (Div. B) — 5th, 11th
- 2022 Northwest Washington Regional Tournament (Div. B) — 5th, 10th, 14th, 21st
- 2021 Washington Science Olympiad State Tournament (Div. B) — 6th, 7th
- 2019 Washington Science Olympiad State Tournament (Div. B) — 7th, 8th
- 2019 Northwest Washington Regional Tournament (Div. B) — 7th, 9th, 12th, 19th, 27th, 34th
- 2018 Washington Science Olympiad State Tournament (Div. B) — 13th, 17th
Odyssey Charter School (DE)
- 2024 Delaware Science Olympiad State Tournament (Div. C) — 9th
- 2023 Delaware Science Olympiad State Tournament (Div. B) — 15th
Odyssey Charter School (Newnan, GA)
Odyssey Charter School (Wilmington, DE)
- 2024 Delaware Science Olympiad State Tournament (Div. B) — 19th, 22nd, 29th
- 2024 Battle at Valley Forge Science Olympiad Invitational (Div. C) — 46th
Odyssey Middle School (WA)
- 2020 Mira Loma High School Science Olympiad Invitational (Div. B) — 27th
- 2020 Camas Science Olympiad Invitational (Div. B) — 28th, 34th, 35th
- 2019 Southwest Washington Regional Tournament (Div. B) — 9th, 21st
- 2019 Mira Loma High School Science Olympiad Invitational (Div. B) — 27th
O'Fallon Township High School (IL)
- 2024 Illinois Science Olympiad State Tournament (Div. C) — 47th
- 2023 Illinois Science Olympiad State Tournament (Div. C) — 40th
- 2022 Illinois Science Olympiad State Tournament (Div. C) — 47th
- 2022 Belleville East HS Regional VarsityTournament (Div. C) — 3rd
Ogden International High School (IL)
- 2023 University of Chicago Invitational (Div. C) — 39th
- 2022 CPS Division C V Regional VarsityTournament (Div. C) — 8th
- 2022 University of Chicago Invitational (Div. C) — 40th
- 2021 University of Chicago Science Olympiad Invitational (Div. C) — 85th
- 2020 University of Chicago Science Olympiad Invitational (Div. C) — 38th
Oglethorpe County HS (GA)
(OH)
Oil City Senior High School (PA)
Okemos High School (MI)
- 2024 Michigan Science Olympiad State Tournament (Div. C) — 15th
- 2024 University of Michigan Science Olympiad Invitational (Div. C) — 23rd
- 2024 Saline-Troy Athens Science Olympiad Invitational (Div. C) — 8th, 30th, 33rd
- 2023 Michigan Science Olympiad State Tournament (Div. C) — 12th
- 2023 University of Michigan Science Olympiad Invitational (Div. C) — 16th
- 2023 Northview Science Olympiad Invitational (Div. C) — 14th, 29th
- 2022 Michigan Science Olympiad State Tournament (Div. C) — 15th
- 2022 University of Michigan Science Olympiad Invitational (Div. C) — 23rd, 36th
- 2021 University of Michigan Science Olympiad Invitational (Div. C) — 21st, 53rd
- 2020 Haslett High School Science Olympiad Invitational (Div. C) — 10th, 16th
- 2019 Michigan Science Olympiad State Tournament (Div. C) — 27th
- 2018 Michigan Science Olympiad State Tournament (Div. C) — 27th
Oklahoma School of Science and Mathematics (OK)
- 2022 Oklahoma Science Olympiad State Tournament (Div. C) — 3rd
- 2022 Oklahoma Regional Tournament (Div. C) — 4th, 8th
- 2022 Golden Gate Science Olympiad Invitational (Div. C) — 76th
- 2022 MIT Science Olympiad Invitational (Div. C) — 46th
- 2022 Duke University Science Olympiad Invitational (Div. C) — 120th, 120th
- 2021 Yale University Science Olympiad Invitational (Div. C) — 61st
- 2021 MIT Science Olympiad Invitational (Div. C) — 144th
- 2021 University of Chicago Science Olympiad Invitational (Div. C) — 86th
Ola High School (McDonough, GA)
- 2022 Georgia Science Olympiad State Tournament (Div. C) — 26th
- 2022 Georgia State University - Clarkston Regional Tournament (Div. C) — 12th
- 2021 Georgia Science Olympiad State Tournament (Div. C) — 34th
Olathe East High School (KS)
Olathe North High School (Olathe, KS)
- 2024 Kansas Science Olympiad State Tournament (Div. C) — 4th
- 2024 John Dedrick Memorial Tournament (Div. C) — 4th
- 2023 Kansas Science Olympiad State Tournament (Div. C) — 2nd
- 2023 Pembroke Hill Science Olympiad Invitational (Div. C) — 3rd
- 2023 O-Town Throwdown (Div. C) — 2nd
- 2022 Kansas Science Olympiad State Tournament (Div. C) — 3rd
- 2022 Northeast Kansas Regional (Div. C) — 1st
- 2020 MIT Science Olympiad Invitational (Div. C) — 26th
- 2019 MIT Science Olympiad Invitational (Div. C) — 16th
- 2018 Kansas Science Olympiad State Tournament (Div. C) — 2nd
- 2018 MIT Science Olympiad Invitational (Div. C) — 25th
- 2017 Science Olympiad National Tournament (Div. C) — 34th
- 2016 Science Olympiad National Tournament (Div. C) — 40th
- 2015 Science Olympiad National Tournament (Div. C) — 37th
- 2014 Science Olympiad National Tournament (Div. C) — 22nd
- 2013 Science Olympiad National Tournament (Div. C) — 26th
- 2012 Science Olympiad National Tournament (Div. C) — 30th
Olathe Northwest High School (Olathe, KS)
- 2024 Kansas Science Olympiad State Tournament (Div. C) — 11th
- 2024 John Dedrick Memorial Tournament (Div. C) — 9th
- 2023 Kansas Science Olympiad State Tournament (Div. C) — 13th
- 2023 Pembroke Hill Science Olympiad Invitational (Div. C) — 11th
- 2023 O-Town Throwdown (Div. C) — 11th
- 2022 Kansas Science Olympiad State Tournament (Div. C) — 10th
- 2022 Northeast Kansas Regional (Div. C) — 9th
- 2018 Kansas Science Olympiad State Tournament (Div. C) — 18th
Olathe South High School (Olathe, KS)
- 2024 John Dedrick Memorial Tournament (Div. C) — 17th
- 2023 Pembroke Hill Science Olympiad Invitational (Div. C) — 28th
- 2022 Northeast Kansas Regional (Div. C) — 18th
- 2018 Kansas Science Olympiad State Tournament (Div. C) — 27th
- 2001 Science Olympiad National Tournament (Div. C) — 31st
- 2000 Science Olympiad National Tournament (Div. C) — 30th
Olathe West High School (Olathe, KS)
- 2024 Kansas Science Olympiad State Tournament (Div. C) — 18th
- 2023 Kansas Science Olympiad State Tournament (Div. C) — 16th
- 2023 Pembroke Hill Science Olympiad Invitational (Div. C) — 15th
- 2023 O-Town Throwdown (Div. C) — 12th
- 2022 Kansas Science Olympiad State Tournament (Div. C) — 17th
- 2022 Northeast Kansas Regional (Div. C) — 13th
Old Bridge High School (NJ)
Olde Towne Middle School (MS)
- 2019 Mississippi Science Olympiad State Tournament (Div. B) — 8th
- 2019 North Mississippi Regional Tournament (Div. B) — 2nd
- 2018 Mississippi Science Olympiad State Tournament (Div. B) — 11th
Old Orchard Junior High School (IL)
- 2022 Oakton Community College Regional Varsity (Div. B) — 8th
- 2022 Kildeer-Countryside Science Olympiad Invitational (Div. B) — 30th
- 2021 BirdSO Science Olympiad Invitational (Div. B) — 30th
- 2021 University of Chicago Science Olympiad Invitational (Div. B) — 17th
Old Rochester Regional High School (MA)
Old Rochester Regional High School (Mattapoisett, MA)
- 2024 University of Massachusetts Amherst Science Olympiad Invitational (Div. C) — 30th, 30th
- 2024 Harvard Undergraduate Science Olympiad Invitational (Div. C) — 55th, 57th
- 2023 Massachusetts Science Olympiad State Tournament (Div. C) — 40th
- 2023 University of Massachusetts Amherst Science Olympiad Invitational (Div. C) — 23rd
- 2023 Yale University Science Olympiad Invitational (Div. C) — 23rd
Old Town High School (ME)
Olentangy Berlin High School (OH)
- 2024 Ohio State University Science Olympiad Invitational (Div. C) — 15th, 24th, 31st
- 2022 Central Ohio Regional (Div. C) — 12th
- 2020 Centerville Science Olympiad Invitational (Div. C) — 35th
Olentangy High School (OH)
- 2024 Ohio State University Science Olympiad Invitational (Div. C) — 13th, 26th, 35th
- 2023 Ohio Science Olympiad State Tournament (Div. C) — 23rd
- 2023 Northview Science Olympiad Invitational (Div. C) — 32nd, 42nd
- 2022 Central Ohio Regional (Div. C) — 9th, 16th
- 2020 Centerville Science Olympiad Invitational (Div. C) — 26th, 30th
- 2020 University of Cincinnati Science Olympiad Invitational (Div. C) — 22nd, 30th
- 2019 Ohio Science Olympiad State Tournament (Div. C) — 35th, 45th
- 2019 Solon High School Science Olympiad Invitational (Div. C) — 30th, 45th, 64th
- 2018 Ohio Science Olympiad State Tournament (Div. C) — 19th
- 2017 Solon Science Olympiad Invitational (Div. C) — 39th, 49th
- 2016 Ohio Science Olympiad State Tournament (Div. C) — 28th
Olentangy Liberty High School (OH)
- 2024 Ohio Science Olympiad State Tournament (Div. C) — 25th
- 2024 Ohio State University Science Olympiad Invitational (Div. C) — 10th
- 2023 Ohio Science Olympiad State Tournament (Div. C) — 37th
- 2022 Central Ohio Regional (Div. C) — 11th, 14th
- 2022 Westlake High School Invitational (Div. C) — 43rd, 47th
- 2021 Solon-Kenston Satellite Invitational (Div. C) — 53rd, 58th
- 2020 Solon High School Science Olympiad Invitational (Div. C) — 31st, 49th
- 2019 Ohio Science Olympiad State Tournament (Div. C) — 12th, 45th
- 2019 Solon High School Science Olympiad Invitational (Div. C) — 24th, 34th
- 2018 Ohio Science Olympiad State Tournament (Div. C) — 12th
- 2017 Solon Science Olympiad Invitational (Div. C) — 38th, 48th
Olentangy Orange High School (OH)
- 2024 Ohio Science Olympiad State Tournament (Div. C) — 12th
- 2024 Solon High School Science Olympiad Invitational (Div. C) — 23rd, 41st, 54th
- 2024 Northview Science Olympiad Invitational (Div. C) — 16th, 28th, 40th
- 2024 Mason Science Olympiad Invitational (Div. C) — 5th, 7th, 10th
- 2023 Ohio Science Olympiad State Tournament (Div. C) — 17th
- 2023 Solon High School Science Olympiad Invitational (Div. C) — 30th, 42nd, 50th
- 2023 Northview Science Olympiad Invitational (Div. C) — 21st, 34th
- 2022 Ohio Science Olympiad State Tournament (Div. C) — 29th
- 2022 Central Ohio Regional (Div. C) — 4th, 15th
- 2022 Solon/Kenston In-Person Science Olympiad Invitational (Div. C) — 52nd
- 2022 Westlake High School Invitational (Div. C) — 20th, 30th
- 2020 Solon High School Science Olympiad Invitational (Div. C) — 29th, 53rd
- 2020 University of Chicago Science Olympiad Invitational (Div. C) — 15th, 24th
- 2019 Ohio Science Olympiad State Tournament (Div. C) — 17th
- 2019 MIT Science Olympiad Invitational (Div. C) — 47th, 68th
- 2018 Solon Science Olympiad Invitational (Div. C) — 41st, 44th
- 2017 Ohio Science Olympiad State Tournament (Div. C) — 23rd
- 2017 Solon Science Olympiad Invitational (Div. C) — 32nd, 50th
Oley Valley High School (Oley, PA)
Olinda Elementary (CA)
- 2024 Orange County Regional (Div. A) — 14th, 16th
Olinda Elementary School (CA)
- 2024 Sierra Vista Invitational (Div. A) — 15th, 18th
Oliver Ames High School (MA)
- 2024 Massachusetts Science Olympiad State Tournament (Div. C) — 43rd
- 2023 Massachusetts Science Olympiad State Tournament (Div. C) — 31st
- 2022 Massachusetts Science Olympiad State Tournament (Div. C) — 44th
- 2021 Massachusetts Science Olympiad State Tournament (Div. C) — 37th
- 2019 Massachusetts Science Olympiad State Tournament (Div. C) — 36th
- 2018 Massachusetts Science Olympiad State Tournament (Div. C) — 36th
Olympia High School (FL)
- 2024 Florida Science Olympiad State Tournament (Div. C) — 14th, 30th
- 2024 Rickards Science Olympiad Invitational (Div. C) — 65th, 113th, 145th, 146th, 148th, 156th
- 2023 Florida Science Olympiad State Tournament (Div. C) — 12th, 17th, 38th, 41st
- 2023 BullSO Science Olympiad Invitational (Div. C) — 19th, 28th, 29th, 36th
- 2022 Florida Science Olympiad State Tournament (Div. C) — 14th, 25th, 32nd
- 2022 Central Florida Regional (Div. C) — 3rd, 4th, 8th, 15th, 18th, 22nd
- 2022 Duke University Science Olympiad Invitational (Div. C) — 27th
- 2022 Science Olympiad National Invitational (Div. C) — 94th, 102nd, 147th, 157th, 158th
- 2022 Rickards Science Olympiad Invitational (Div. C) — 38th, 66th, 67th, 75th, 79th, 91st
- 2021 Duke University Science Olympiad Invitational (Div. C) — 57th, 86th, 99th
- 2021 Rickards Science Olympiad Invitational (Div. C) — 28th, 50th, 52nd, 54th, 59th
- 2019 Florida Science Olympiad State Tournament (Div. C) — 7th
Olympia High School (FL)
- 2024 BullSO Science Olympiad Invitational (Div. C) — 4th, 6th, 11th, 15th
Olympia High School (Olympia, WA)
Olympic Heights High School (FL)
Omaha Beveridge Magnet Middle School (Omaha, NE)
- 2024 Nebraska Science Olympiad State Tournament (Div. B) — 12th
- 2023 Nebraska Science Olympiad State Tournament (Div. B) — 18th
Omaha Buffett (NE)
Omaha Central High School (Omaha, NE)
Omaha McMillan Magnet Middle School (Omaha, NE)
Omaha North High School (Omaha, NE)
Onalaska High School (WI)
- 2020 Wisconsin West Regional Tournament (Div. C) — 12th
- 2020 Marquette University High School Science Olympiad Invitational (Div. C) — 19th
- 2019 Wisconsin Science Olympiad State Tournament (Div. C) — 54th
- 2017 Wisconsin Science Olympiad State Tournament (Div. C) — 45th
- 2016 Wisconsin Science Olympiad State Tournament (Div. C) — 24th
Onate High School (NM)
O'Neal School (NC)
- 2024 North Carolina Science Olympiad State Tournament (Div. B) — 33rd
- 2024 North Carolina Science Olympiad State Tournament (Div. C) — 36th
- 2024 Wolfpack Science Olympiad Invitational (Div. B) — 17th
- 2023 North Carolina Science Olympiad State Tournament (Div. C) — 30th
- 2022 North Carolina Science Olympiad State Tournament (Div. C) — 45th
- 2022 Fayetteville Regional Tournament (Div. B) — 5th, 8th
- 2022 Fayetteville Regional Tournament (Div. C) — 3rd, 21st
- 2022 Duke University Science Olympiad Invitational (Div. C) — 91st, 115th
- 2021 Sierra Vista Science Olympiad Invitational (Div. B) — 88th, 92nd
- 2020 Duke University Science Olympiad Invitational (Div. C) — 32nd
Oneida High School (NY)
- 2023 Midstate Regional Tournament (Div. C) — 30th
- 2022 New York Midstate Regional Tournament (Div. C) — 25th, 31st
- 2020 New York Midstate Regional Tournament (Div. C) — 25th, 34th
Oneida Middle School (NY)
Onondaga Hill Middle School (NY)
Onslow Early College High School (NC)
- 2024 North Carolina Science Olympiad State Tournament (Div. C) — 22nd
- 2023 North Carolina Science Olympiad State Tournament (Div. C) — 21st
- 2022 North Carolina Science Olympiad State Tournament (Div. C) — 38th
- 2022 Kinston Regional Tournament (Div. C) — 2nd, 5th
Onteora High School (NY)
- 2024 Capital Region Science Olympiad Invitational (Div. C) — 18th, 30th
- 2023 Mid Hudson Regional Tournament (Div. C) — 13th, 27th
- 2023 Capital Region Science Olympiad Invitational (Div. C) — 25th, 26th
- 2022 Mid Hudson Regional (Div. C) — 9th, 28th
- 2021 New York Science Olympiad State Tournament (Div. C) — 56th
- 2020 Columbia High School Science Olympiad Invitational (Div. C) — 7th, 32nd
- 2019 New York Science Olympiad State Tournament (Div. C) — 24th
- 2019 Columbia High School Science Olympiad Invitational (Div. C) — 9th, 29th
- 2018 New York Science Olympiad State Tournament (Div. C) — 35th
- 2017 New York Science Olympiad State Tournament (Div. C) — 39th
- 2016 New York Science Olympiad State Tournament (Div. C) — 37th
Onteora Middle School (NY)
Ooltewah High School (TN)
- 2022 Tennessee Science Olympiad State Tournament (Div. C) — 16th
- 2022 Tennessee Regional Tournament (Div. C) — 17th
- 2021 Tennessee Science Olympiad State Tournament (Div. C) — 26th
- 1989 Science Olympiad National Tournament (Div. C) — 42nd
Opelousas High School (LA)
- 2022 Louisiana Tech Science Olympiad Invitational (Div. C) — 3rd
- 2018 Louisiana Science Olympiad State Tournament (Div. C) — 12th
Opelousas Senior High School (Opelousas, LA)
- 2024 Louisiana Science Olympiad State Tournament (Div. C) — 10th
- 2023 Louisiana Science Olympiad State Tournament (Div. C) — 8th
- 2022 Louisiana Science Olympiad State Tournament (Div. C) — 5th
Oquirrh Hills Middle School (UT)
Orange County School of The Arts (CA)
Orange County School of the Arts (C) (CA)
Orange County School of the Arts (Santa Ana, CA)
- 2025 Dulles Science Olympiad Invitational (Div. C) — 73rd, 73rd, 73rd
- 2025 Georgia Scrimmage Science Olympiad Invitational (Div. B) — 14th, 22nd, 46th, 52nd, 90th, 106th
- 2025 Highlands Virtual Science Olympiad Invitational (Div. B) — 24th, 34th, 37th, 50th, 62nd, 70th
- 2024 Southern California Science Olympiad State Tournament (Div. B) — 2nd
- 2024 Orange County School of the Arts Invitational (Div. B) — 2nd, 12th
- 2024 Orange County Regional Tournament (Div. C) — 8th
- 2024 BirdSO Satellite Invitational (Div. B) — 25th, 31st, 71st, 83rd, 114th
- 2024 BirdSO Satellite Invitational (Div. C) — 18th
- 2024 High Desert Science Olympiad Invitational (Div. C) — 4th
- 2024 Sierra Vista Invitational (Div. B) — 4th, 24th
- 2024 BirdSO Science Olympiad Invitational (Div. B) — 2nd, 17th
- 2024 Troy High School Science Olympiad Invitational (Div. B) — 3rd, 14th
- 2024 Boyceville Satellite Science Olympiad Invitational (Div. B) — 2nd, 40th, 41st
- 2024 Rickards Science Olympiad Invitational (Div. B) — 2nd, 32nd, 80th, 90th, 123rd
- 2024 Highlands Virtual Science Olympiad Invitational (Div. B) — 9th, 13th, 19th, 22nd, 30th
- 2023 Southern California Science Olympiad State Tournament (Div. B) — 3rd
- 2023 Southern California Science Olympiad State Tournament (Div. C) — 16th
- 2023 Orange County Regionals (Div. B) — 3rd
- 2023 Orange County Regionals (Div. C) — 4th
- 2023 BirdSO Satellite Invitational (Div. C) — 16th
- 2023 Sierra Vista Invitational (Div. B) — 7th, 19th
- 2023 BirdSO In-Person Invitational (Div. C) — 19th
- 2023 Mira Loma High School Science Olympiad Invitational (Div. B) — 4th, 16th
- 2023 Boyceville Satellite Science Olympiad Invitational (Div. B) — 23rd, 66th
- 2023 Georgia Scrimmage (Div. B) — 9th, 18th, 25th, 29th
- 2023 Highlands Virtual Science Olympiad Invitational (Div. B) — 9th, 16th, 17th, 18th
- 2022 Southern California Science Olympiad State Tournament (Div. B) — 9th
- 2022 Southern California Science Olympiad State Tournament (Div. C) — 12th
- 2022 SoCal Orange County Regional (Div. B) — 8th, 18th
- 2022 SoCal Orange County Regional (Div. C) — 6th
- 2022 BirdSO Satellite Invitational (Div. B) — 51st, 66th
- 2022 BirdSO Satellite Invitational (Div. C) — 24th
- 2022 Sierra Vista Science Olympiad Invitational (Div. B) — 16th, 19th
- 2022 Science Olympiad National Invitational (Div. C) — 27th
- 2022 BirdSO Mini Invitational (Div. B) — 34th, 41st
- 2022 BirdSO Mini Invitational (Div. C) — 10th
- 2022 Troy High School Division B Invitational (Div. B) — 9th, 10th
- 2021 Southern California Science Olympiad State Tournament (Div. C) — 14th
- 2021 Orange County Regional Tournament (Div. C) — 7th
- 2021 Golden Gate Science Olympiad Invitational (Div. C) — 24th
- 2021 Science Olympiad at UC Davis Aggie Invitational (Div. C) — 1st
- 2021 Mira Loma High School Science Olympiad Invitational (Div. C) — 17th
- 2021 Yosemite Mini SO Invitational (Div. C) — 9th, 33rd
- 2021 BEARSO Invitational (Div. C) — 23rd
- 2020 Orange County Regionals (Div. B) — 6th
- 2020 Orange County Regionals (Div. C) — 8th
- 2020 Jeffrey Trail Invitational (Div. B) — 16th, 22nd
- 2020 Glen A. Wilson Science Olympiad Invitational (Div. B) — 15th, 21st
- 2020 Ladera Vista Science Olympiad Invitational (Div. B) — 10th, 15th
- 2019 Southern California Science Olympiad State Tournament (Div. C) — 14th
- 2019 Orange County Regional Tournament (Div. B) — 8th
- 2019 Orange County Regional Tournament (Div. C) — 4th
- 2019 Kraemer Science Olympiad Invitational (Div. B) — 38th
- 2018 Southern California Science Olympiad State Tournament (Div. C) — 8th
Orange Grove Middle School (CA)
- 2024 Los Angeles Rio Hondo Regional (Div. B) — 43rd
- 2023 Los Angeles Rio Hondo College Regional Tournament (Div. B) — 36th
- 2022 SoCal Los Angeles/Santa Barbara Regional (Div. B) — 27th
Orange Grove Middle School (Catalina Foothills, AZ)
- 2024 Arizona Science Olympiad State Tournament (Div. B) — 4th, 13th
- 2023 Arizona Science Olympiad State Tournament (Div. B) — 2nd
- 2022 Arizona Science Olympiad State Tournament (Div. B) — 4th
Orange High School (NJ)
- 2010 New Jersey Institute of Technology Regional Tournament (Div. C) — 19th
- 2009 New Jersey Institute of Technology Regional Tournament (Div. C) — 16th
- 2008 Princeton University Regional Tournament (Div. C) — 18th
- 2007 New Jersey Institute of Technology Regional Tournament (Div. C) — 17th
Orange High School (OH)
- 2024 Solon High School Science Olympiad Invitational (Div. C) — 72nd
- 2023 Solon High School Science Olympiad Invitational (Div. C) — 59th
- 2022 Northeast Ohio Regional Tournament (Div. C) — 16th
Ord High School (Ord, NE)
Ord Middle School (NE)
Ord Public Middle School (Ord, NE)
Orefield Middle School (PA)
- 2019 Pennsylvania Science Olympiad State Tournament (Div. B) — 12th
- 2019 Science Olympiad at Cornell Invitational (Div. B) — 24th
- 2019 Garnet Valley Science Olympiad Invitational (Div. B) — 21st
- 2019 Rustin Science Olympiad Invitational (Div. B) — 36th
- 2018 Science Olympiad at Cornell Invitational (Div. B) — 28th
- 2018 Little Tiger Science Olympiad Invitational (Div. B) — 4th
- 2018 Rustin Science Olympiad Invitational (Div. B) — 18th
- 2017 Little Tiger Science Olympiad Invitational (Div. B) — 13th
- 2017 Blue Dragon Science Olympiad Invitational (Div. B) — 11th
- 2017 Rustin Science Olympiad Invitational (Div. B) — 24th
- 2016 Blue Dragon Science Olympiad Invitational (Div. B) — 12th
Oregon Charter Academy (OR)
- 2024 Oregon Science Olympiad State Tournament (Div. B) — 13th
- 2024 Oregon Science Olympiad State Tournament (Div. C) — 20th
Oregon High School (Oregon, WI)
- 2025 Marquette University High School Science Olympiad Invitational (Div. C) — 20th
- 2024 Badger Science Olympiad Invitational (Div. C) — 15th
- 2024 Belleville Regional (Div. C) — 21st
- 2024 Marquette University High School Science Olympiad Invitational (Div. C) — 28th
- 2024 Boyceville Satellite Science Olympiad Invitational (Div. C) — 194th
- 2024 Belleville Science Olympiad Invitational (Div. C) — 28th
- 2023 Wisconsin Science Olympiad State Tournament (Div. C) — 39th
- 2023 Belleville Science Olympiad Invitational (Div. C) — 22nd
- 2022 Wisconsin Science Olympiad State Tournament (Div. C) — 28th
- 2022 Edgewood Regional (Div. C) — 10th
- 2022 Boyceville Satellite Science Olympiad Invitational (Div. C) — 158th
- 2022 Belleville Satellite SO Invitational (Div. C) — 56th
- 2020 Badger Science Olympiad Invitational (Div. C) — 17th
- 2020 Belleville Science Olympiad Invitational (Div. C) — 24th
- 2019 Wisconsin Science Olympiad State Tournament (Div. C) — 43rd
- 2019 Badger Science Olympiad Invitational (Div. C) — 16th
- 2019 Belleville Science Olympiad Invitational (Div. C) — 27th
- 2018 Wisconsin Science Olympiad State Tournament (Div. C) — 19th
- 2018 Badger Science Olympiad Invitational (Div. C) — 7th
- 2018 Slinger Science Olympiad Invitational (Div. C) — 9th
- 2018 Belleville Science Olympiad Invitational (Div. C) — 23rd, 28th
- 2017 Wisconsin Science Olympiad State Tournament (Div. C) — 25th
- 2016 Wisconsin Science Olympiad State Tournament (Div. C) — 31st, 56th
- 2015 Wisconsin Science Olympiad State Tournament (Div. C) — 13th
- 2014 Wisconsin Science Olympiad State Tournament (Div. C) — 16th
- 2014 University of Wisconsin-Madison Science Olympiad Invitational (Div. C) — 11th, 20th, 24th
- 2013 Wisconsin Science Olympiad State Tournament (Div. C) — 20th
- 2012 Wisconsin Science Olympiad State Tournament (Div. C) — 15th
- 2011 Wisconsin Science Olympiad State Tournament (Div. C) — 43rd
Oregon Middle School (WI)
- 2014 Wisconsin Science Olympiad State Tournament (Div. B) — 33rd
- 2013 Wisconsin Science Olympiad State Tournament (Div. B) — 20th
- 2012 Wisconsin Science Olympiad State Tournament (Div. B) — 27th
- 2011 Wisconsin Science Olympiad State Tournament (Div. B) — 15th, 33rd
Oregon Trail Middle School (KS)
- 2023 Kansas Science Olympiad State Tournament (Div. B) — 21st
- 2022 Kansas Science Olympiad State Tournament (Div. B) — 20th
- 2018 Kansas Science Olympiad State Tournament (Div. B) — 11th
- 2003 Science Olympiad National Tournament (Div. B) — 38th
Organ Mountain High School (NM)
- 2024 New Mexico Science Olympiad State Tournament (Div. C) — 14th
- 2023 New Mexico Science Olympiad State Tournament (Div. C) — 19th
- 2022 NM Southwest Regional (Div. C) — 10th
- 2022 New Mexico Science Olympiad State Tournament (Div. C) — 13th
Orlando Gifted Academy (FL)
Orlando Homeschool Science Olympiad (FL)
Orlando Science High School (FL)
- 2025 Dulles Science Olympiad Invitational (Div. C) — 73rd
- 2024 Florida Science Olympiad State Tournament (Div. C) — 4th, 13th, 20th, 23rd
- 2024 Yellow Jacket Invitational at Georgia Tech (Div. C) — 4th, 7th, 21st
- 2024 MIT Science Olympiad Invitational (Div. C) — 40th
- 2024 Science Olympiad at Penn State Invitational (Div. C) — 21st, 39th
- 2024 Boyceville Satellite Science Olympiad Invitational (Div. C) — 67th, 87th, 120th, 155th, 212th, 220th
- 2024 Rickards Science Olympiad Invitational (Div. C) — 24th, 93rd, 95th, 101st, 184th
- 2023 Florida Science Olympiad State Tournament (Div. C) — 3rd, 9th, 22nd, 32nd
- 2023 Yale University Science Olympiad Invitational (Div. C) — 7th, 13th
- 2023 MIT Science Olympiad Invitational (Div. C) — 26th, 41st
- 2023 BullSO Science Olympiad Invitational (Div. C) — 33rd, 34th, 40th, 43rd
- 2023 Rickards Science Olympiad Invitational (Div. C) — 13th, 27th, 51st, 72nd, 73rd, 75th, 85th
- 2022 Florida Science Olympiad State Tournament (Div. C) — 4th, 9th, 37th
- 2022 Central Florida Regional (Div. C) — 1st, 2nd, 5th, 12th
- 2022 MIT Science Olympiad Invitational (Div. C) — 28th
- 2022 Science Olympiad National Invitational (Div. C) — 93rd, 135th, 159th, 200th
- 2022 Boyceville Satellite Science Olympiad Invitational (Div. C) — 34th, 95th, 124th, 131st
- 2022 Belleville Satellite SO Invitational (Div. C) — 4th, 20th, 28th, 40th
- 2021 Princeton University Science Olympiad Invitational (Div. C) — 40th
- 2021 Golden Gate Science Olympiad Invitational (Div. C) — 79th
- 2021 Yale University Science Olympiad Invitational (Div. C) — 27th, 48th
- 2021 Harvard-Brown Science Olympiad Invitational (Div. C) — 26th
- 2021 Duke University Science Olympiad Invitational (Div. C) — 146th, 146th
- 2021 MIT Science Olympiad Invitational (Div. C) — 55th
- 2021 Rickards Science Olympiad Invitational (Div. C) — 15th, 16th, 63rd, 66th
- 2021 University of Texas at Austin Fall Invitational (Div. C) — 43rd, 52nd
- 2020 MIT Science Olympiad Invitational (Div. C) — 23rd, 37th
- 2020 University of Texas at Austin Fall Invitational (Div. C) — 4th, 11th
- 2019 Florida Science Olympiad State Tournament (Div. C) — 4th, 5th, 32nd
- 2019 MIT Science Olympiad Invitational (Div. C) — 25th
- 2019 Centerville Science Olympiad Invitational (Div. C) — 22nd
Orlando Science Middle School (FL)
- 2025 Dodgen-Walton Invitational (Div. B) — 3rd, 16th
- 2025 Georgia Scrimmage Science Olympiad Invitational (Div. B) — 7th, 26th, 30th, 58th, 117th, 122nd
- 2025 Highlands Virtual Science Olympiad Invitational (Div. B) — 25th, 27th, 44th, 63rd, 69th, 76th
- 2024 Science Olympiad National Tournament (Div. B) — 23rd
- 2024 Florida Science Olympiad State Tournament (Div. B) — 1st, 4th, 8th
- 2024 Centerville Science Olympiad Invitational (Div. B) — 5th, 23rd
- 2024 Boyceville Satellite Science Olympiad Invitational (Div. B) — 31st, 60th
- 2024 Rickards Science Olympiad Invitational (Div. B) — 21st, 25th
- 2023 BirdSO Satellite Invitational (Div. B) — 45th, 54th, 83rd, 110th, 115th, 147th
- 2023 Rickards Science Olympiad Invitational (Div. B) — 15th, 48th, 50th
- 2023 Georgia Scrimmage (Div. B) — 17th, 26th, 35th, 46th, 59th, 61st
- 2022 Science Olympiad National Tournament (Div. B) — 28th
- 2022 Kennedy Science Olympiad Invitational (Div. B) — 21st, 41st, 52nd, 62nd
- 2022 BirdSO Satellite Invitational (Div. B) — 39th, 56th, 87th, 129th
- 2022 High Desert Science Olympiad Invitational (Div. B) — 6th, 18th
- 2022 Dick Smith Memorial Science Olympiad Invitational (Div. B) — 12th, 15th
- 2022 Rickards Science Olympiad Invitational (Div. B) — 17th, 19th, 30th, 43rd, 72nd
- 2021 University of Michigan Science Olympiad Invitational (Div. B) — 13th, 24th
- 2021 Rickards Science Olympiad Invitational (Div. B) — 6th, 19th, 37th
- 2021 Boyceville Mini SO Science Olympiad Invitational (Div. B) — 23rd, 25th, 36th, 38th
- 2021 University of Texas at Austin Fall Invitational (Div. B) — 29th, 37th, 53rd
- 2020 Chattahoochee High School Science Olympiad Invitational (Div. B) — 2nd, 11th, 29th
- 2020 University of Texas at Austin Fall Invitational (Div. B) — 3rd, 12th
- 2020 Orlando Science Schools October Invitational (Div. B) — 1st, 2nd, 4th, 7th
- 2019 Science Olympiad National Tournament (Div. B) — 23rd
- 2019 Centerville Science Olympiad Invitational (Div. B) — 11th, 26th
- 2017 Science Olympiad National Tournament (Div. B) — 40th
- 2015 Science Olympiad National Tournament (Div. B) — 40th
- 2014 Science Olympiad National Tournament (Div. B) — 51st
- 2013 Science Olympiad National Tournament (Div. B) — 55th
- 2012 Science Olympiad National Tournament (Div. B) — 41st
- 2011 Science Olympiad National Tournament (Div. B) — 42nd
Orlando Science Schools (Orlando, FL)
- 2023 Boyceville Satellite Science Olympiad Invitational (Div. B) — 32nd, 67th, 92nd, 97th, 101st
- 2022 BirdSO Mini Invitational (Div. B) — 21st, 23rd, 54th, 95th
- 2021 BEARSO Invitational (Div. B) — 43rd, 56th, 90th
- 2021 BEARSO Invitational (Div. C) — 87th, 128th, 184th
Orlando Science Technology Campus (FL)
- 2020 Orlando Science Schools October Invitational (Div. B) — 9th, 10th, 12th
Orono High School (MN)
- 2024 Minnesota Science Olympiad State Tournament (Div. C) — 16th
- 2024 University of Wisconsin-River Falls Invitational (Div. C) — 35th
- 2023 Minnesota Science Olympiad State Tournament (Div. C) — 17th
- 2023 University of Wisconsin-River Falls Science Olympiad Invitational (Div. C) — 32nd
- 2022 Minnesota Science Olympiad State Tournament (Div. C) — 28th
- 2022 Minnesota Mounds View Regional (Div. C) — 5th
- 2021 BirdSO Science Olympiad Invitational (Div. C) — 75th
- 2020 Minnesota Science Olympiad State Tournament (Div. C) — 21st
- 2020 University of Wisconsin-River Falls Science Olympiad Invitational (Div. C) — 31st
- 2018 University of Wisconsin-River Falls Science Olympiad Invitational (Div. C) — 36th
- 2018 Boyceville Science Olympiad Invitational (Div. C) — 41st
- 2017 University of Wisconsin-River Falls Science Olympiad Invitational (Div. C) — 33rd
- 2016 University of Wisconsin-River Falls Science Olympiad Invitational (Div. C) — 14th
Orosi High School (CA)
- 2024 Northern California Science Olympiad State Tournament (Div. C) — 25th
- 2022 Northern California Science Olympiad State Tournament (Div. C) — 28th
- 2022 Tulare Regional Tournament (Div. C) — 2nd, 7th, 8th
- 2021 Northern California Science Olympiad State Tournament (Div. C) — 30th
- 2021 Tulare Regional Tournament (Div. C) — 5th, 6th, 7th
Orrville Middle School (OH)
- 2024 Ohio Science Olympiad State Tournament (Div. B) — 21st
- 2023 Ohio Science Olympiad State Tournament (Div. B) — 20th, 49th
- 2022 Ohio Science Olympiad State Tournament (Div. B) — 16th
- 2019 Ohio Science Olympiad State Tournament (Div. B) — 20th
- 2009 Ohio Science Olympiad State Tournament (Div. B) — 1st
Orville A. Todd Middle School (NY)
- 2024 New York Science Olympiad State Tournament (Div. B) — 34th
- 2023 New York Science Olympiad State Tournament (Div. B) — 33rd
Osakis High School (MN)
- 2023 Minnesota Science Olympiad State Tournament (Div. C) — 26th
- 2022 Minnesota Moorhead Regional (Div. C) — 3rd
- 2020 Minnesota Science Olympiad State Tournament (Div. C) — 26th
Osbourn Park High School (Manassas, VA)
Osceola High School (FL)
- 2024 Florida Science Olympiad State Tournament (Div. C) — 34th
- 2024 BullSO Science Olympiad Invitational (Div. C) — 8th, 10th, 16th
- 2024 Rickards Science Olympiad Invitational (Div. C) — 196th, 198th, 212th, 213th
- 2023 Rickards Science Olympiad Invitational (Div. C) — 84th, 86th, 88th, 90th
- 2022 Central Florida Regional (Div. C) — 20th, 21st, 25th
- 2022 Rickards Science Olympiad Invitational (Div. C) — 87th, 90th, 93rd
Osceola Science Charter School (FL)
- 2025 Highlands Virtual Science Olympiad Invitational (Div. B) — 107th
- 2024 Dick Smith Memorial Science Olympiad Invitational (Div. B) — 63rd
- 2024 Rickards Science Olympiad Invitational (Div. B) — 145th
- 2024 Highlands Virtual Science Olympiad Invitational (Div. B) — 70th
- 2023 High Desert Satellite Invitational (Div. B) — 46th, 57th
- 2023 Dick Smith Memorial Science Olympiad Invitational (Div. B) — 66th, 72nd
- 2023 Rickards Science Olympiad Invitational (Div. B) — 74th, 75th
- 2023 Georgia Scrimmage (Div. B) — 53rd, 58th
- 2022 BirdSO Satellite Invitational (Div. B) — 148th, 158th
- 2022 High Desert Science Olympiad Invitational (Div. B) — 44th, 46th
- 2022 BirdSO Mini Invitational (Div. B) — 101st, 107th
- 2022 Dick Smith Memorial Science Olympiad Invitational (Div. B) — 53rd, 53rd
- 2022 Rickards Science Olympiad Invitational (Div. B) — 73rd, 75th
- 2021 Lake Braddock Invitational (Div. B) — 73rd, 87th
- 2021 Rickards Science Olympiad Invitational (Div. B) — 30th, 38th
- 2020 Orlando Science Schools October Invitational (Div. B) — 16th, 21st
Oscoda High School (MI)
Osseo-Fairchild High School (WI)
- 2022 Wisconsin Science Olympiad State Tournament (Div. C) — 29th
- 2022 Wausau Regional (Div. C) — 8th
- 2020 Medford Science Olympiad Invitational (Div. C) — 18th
- 2020 Boyceville Science Olympiad Invitational (Div. C) — 47th
- 2019 Wisconsin Science Olympiad State Tournament (Div. C) — 33rd
- 2019 Medford Science Olympiad Invitational (Div. C) — 17th
- 2019 Boyceville Science Olympiad Invitational (Div. C) — 39th
- 2019 Belleville Science Olympiad Invitational (Div. C) — 24th
- 2018 Wisconsin Science Olympiad State Tournament (Div. C) — 36th
- 2018 University of Wisconsin-River Falls Science Olympiad Invitational (Div. C) — 51st
- 2018 Boyceville Science Olympiad Invitational (Div. C) — 35th
- 2017 Wisconsin Science Olympiad State Tournament (Div. C) — 23rd
- 2017 Boyceville Science Olympiad Invitational (Div. C) — 39th
- 2016 Wisconsin Science Olympiad State Tournament (Div. C) — 33rd
- 2016 Boyceville Science Olympiad Invitational (Div. C) — 68th
Oswego East High School (IL)
- 2024 Waubonsie Valley High School Regional Tournament (Div. C) — 5th, 11th
- 2023 Illinois Science Olympiad State Tournament (Div. C) — 25th
- 2022 Illinois Science Olympiad State Tournament (Div. C) — 30th
- 2022 Neuqua Valley HS JV Regional Tournament (Div. C) — 7th, 8th, 9th
- 2022 Neuqua Valley HS Regional VarsityTournament (Div. C) — 5th
- 2021 Illinois Science Olympiad State Tournament (Div. C) — 28th
- 2020 Joliet West High School Science Olympiad Invitational (Div. C) — 12th, 23rd
OTHS SciOly (TX)
OTHS SciOly (TX)
Ottawa High School (KS)
Ottawa Hills High School (OH)
- 2024 Northview Science Olympiad Invitational (Div. C) — 43rd, 49th
- 2023 Ohio Science Olympiad State Tournament (Div. C) — 32nd
- 2023 Battle of the States (Div. C) — 39th
- 2023 Northview Science Olympiad Invitational (Div. C) — 40th, 44th
- 2020 Northview Science Olympiad Invitational (Div. C) — 31st
- 2019 Ohio Science Olympiad State Tournament (Div. C) — 13th
- 2018 Ohio Science Olympiad State Tournament (Div. C) — 34th
- 2017 Ohio Science Olympiad State Tournament (Div. C) — 13th
- 2016 Ohio Science Olympiad State Tournament (Div. C) — 19th
- 2015 Ohio Science Olympiad State Tournament (Div. C) — 31st
Our Lady of Fatima Catholic School (CA)
- 2023 Northern California Science Olympiad State Tournament (Div. B) — 28th
- 2022 Northern California Science Olympiad State Tournament (Div. B) — 31st
Our Lady of Fatima Catholic School (LA)
Our Lady of Hope Catholic Academy (NY)
Our Lady of Mercy Catholic High School (Fayetteville, GA)
- 2022 Georgia State University - Clarkston Regional Tournament (Div. C) — 17th, 21st
- 2021 Georgia Science Olympiad State Tournament (Div. C) — 56th
Our Lady of Mercy School (NY)
Our Lady of Mercy School (RI)
- 2019 Rhode Island Science Olympiad State Tournament (Div. B) — 9th
- 2018 Rhode Island Science Olympiad State Tournament (Div. B) — 4th
- 2013 Science Olympiad National Tournament (Div. B) — 54th
- 2012 Science Olympiad National Tournament (Div. B) — 53rd
- 2009 Science Olympiad National Tournament (Div. B) — 45th
- 2008 Science Olympiad National Tournament (Div. B) — 40th
- 2007 Science Olympiad National Tournament (Div. B) — 56th
- 2006 Science Olympiad National Tournament (Div. B) — 57th
Our Lady of Mount Carmel Academy (Chicago, IL)
- 2025 Marquette University High School Science Olympiad Invitational (Div. B) — 5th, 9th, 10th, 18th
Our Lady of Mount Carmel Academy (IL)
- 2024 Illinois Science Olympiad State Tournament (Div. B) — 7th
- 2024 Belleville Science Olympiad Invitational (Div. B) — 4th, 10th, 12th, 24th
- 2022 Oakton Community College Regional JV (Div. B) — 1st
- 2022 Oakton Community College Regional Varsity (Div. B) — 1st
- 2022 Kildeer-Countryside Science Olympiad Invitational (Div. B) — 2nd, 11th
- 2021 University of Chicago Science Olympiad Invitational (Div. B) — 28th, 38th
- 2021 Boyceville Satellite SO Invitational (Div. B) — 4th, 6th
- 2021 Boyceville Mini SO Science Olympiad Invitational (Div. B) — 35th, 39th
Our Lady of the Valley Catholic School (AL)
- 2025 Dulles Science Olympiad Invitational (Div. B) — 43rd, 63rd, 65th
- 2024 Alabama Science Olympiad State Tournament (Div. B) — 2nd
- 2023 BirdSO Satellite Invitational (Div. B) — 49th, 92nd
- 2022 Science Olympiad National Tournament (Div. B) — 42nd
Our Lady of the Valley School (AL)
- 2022 Alabama Science Olympiad State Tournament (Div. B) — 1st
- 2022 Chattahoochee Science Olympiad Invitational (Div. B) — 2nd, 10th
- 2018 Alabama Science Olympiad State Tournament (Div. B) — 5th
- 2011 Science Olympiad National Tournament (Div. B) — 23rd
- 2010 Science Olympiad National Tournament (Div. B) — 35th
- 2009 Science Olympiad National Tournament (Div. B) — 39th
- 2007 Science Olympiad National Tournament (Div. B) — 39th
- 2004 Science Olympiad National Tournament (Div. B) — 30th
Our Mother of Sorrows Catholic School (AZ)
- 2012 Science Olympiad National Tournament (Div. B) — 50th
- 2011 Science Olympiad National Tournament (Div. B) — 47th
- 2010 Science Olympiad National Tournament (Div. B) — 48th
- 2009 Science Olympiad National Tournament (Div. B) — 49th
- 2008 Science Olympiad National Tournament (Div. B) — 52nd
- 2005 Science Olympiad National Tournament (Div. B) — 42nd
- 2004 Science Olympiad National Tournament (Div. B) — 32nd
- 2002 Science Olympiad National Tournament (Div. B) — 43rd
- 2001 Science Olympiad National Tournament (Div. B) — 46th
Our Mother Of Sorrows Catholic School (AZ)
Overlake High School (Redmond, WA)
- 2024 Pacific Northwest Regional #2 (Div. C) — 18th
- 2024 Tesla STEM Science Olympiad Invitational (Div. C) — 12th
- 2019 Northwest Washington Regional Tournament (Div. C) — 37th
Overland High School (CO)
- 1990 Science Olympiad National Tournament (Div. C) — 14th
- 1989 Science Olympiad National Tournament (Div. C) — 39th
Overland Trail Middle School (KS)
- 2025 Georgia Scrimmage Science Olympiad Invitational (Div. B) — 55th
- 2024 Kansas Science Olympiad State Tournament (Div. B) — 13th
- 2024 Rickards Science Olympiad Invitational (Div. B) — 121st
- 2023 Kansas Science Olympiad State Tournament (Div. B) — 5th
Owatonna High School (Owatonna, MN)
Owatonna Middle School (MN)
- 2024 Minnesota Science Olympiad State Tournament (Div. B) — 6th
- 2023 Minnesota Science Olympiad State Tournament (Div. B) — 4th, 8th
Owen County High School (KY)
- 2023 Kentucky Science Olympiad State Tournament (Div. C) — 13th
- 2022 Kentucky Science Olympiad State Tournament (Div. C) — 7th
- 2022 Louisville Science Olympiad Invitational (Div. C) — 6th
Oxford Academy (Cypress, CA)
- 2024 Orange County Regional Tournament (Div. C) — 26th
- 2023 Orange County Regionals (Div. C) — 25th
- 2022 SoCal Orange County Regional (Div. C) — 38th
- 2021 Orange County Regional Tournament (Div. C) — 38th
- 2021 Orange County Regionals (Div. B) — 25th
- 2020 Orange County Regionals (Div. B) — 20th
- 2020 Orange County Regionals (Div. C) — 24th
- 2019 Orange County Regional Tournament (Div. B) — 20th
- 2019 Orange County Regional Tournament (Div. C) — 25th
Oxford Academy Middle School (CA)
Oxford High School (CT)
- 2024 Connecticut Science Olympiad State Tournament (Div. C) — 29th
- 2024 Yale Undergraduate Invitational (Div. C) — 47th
- 2023 Connecticut Science Olympiad State Tournament (Div. C) — 24th
- 2023 Yale University Science Olympiad Invitational (Div. C) — 18th
- 2022 Connecticut Science Olympiad State Tournament (Div. C) — 32nd
- 2021 Connecticut Science Olympiad State Tournament (Div. C) — 32nd
- 2020 Yale University Science Olympiad Invitational (Div. C) — 36th
- 2019 Connecticut Science Olympiad State Tournament (Div. C) — 46th
- 2018 Connecticut Science Olympiad State Tournament (Div. C) — 26th
- 2018 Yale University Science Olympiad Invitational (Div. C) — 38th
- 2016 Yale University Science Olympiad Invitational (Div. C) — 44th
Oxford High School (MS)
- 2022 Mississippi North Regional (Div. C) — 2nd
- 2019 Mississippi Science Olympiad State Tournament (Div. C) — 2nd
- 2019 North Mississippi Regional Tournament (Div. C) — 1st, 3rd
- 2018 Mississippi Science Olympiad State Tournament (Div. C) — 2nd
- 2016 Science Olympiad National Tournament (Div. C) — 57th
- 2013 Science Olympiad National Tournament (Div. C) — 47th
Oxford Hills High School (ME)
- 1995 Science Olympiad National Tournament (Div. C) — 38th
- 1993 Science Olympiad National Tournament (Div. C) — 44th
- 1992 Science Olympiad National Tournament (Div. C) — 32nd
- 1991 Science Olympiad National Tournament (Div. C) — 40th
- 1990 Science Olympiad National Tournament (Div. C) — 35th
- 1989 Science Olympiad National Tournament (Div. C) — 30th
Oxford Middle School (MS)
Oyster Bay High School (NY)
- 2024 Nassau East Regional Tournament (Div. C) — 33rd
- 2023 Nassau East Regional Tournament (Div. C) — 32nd
Ozark High School (Ozark, MO)
- 2024 Missouri Science Olympiad State Tournament (Div. C) — 34th
- 2023 Missouri Science Olympiad State Tournament (Div. C) — 9th
- 2022 Missouri Science Olympiad State Tournament (Div. C) — 8th
- 2021 Missouri Science Olympiad State Tournament (Div. C) — 18th
- 2015 Missouri Science Olympiad State Tournament (Div. C) — 15th