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| BASIS Independent McLean | B | 2 | | | Mary Washington (2/28) | Independent | Fairfax | VA | Private | |
| Biotechnology High School | C | 2 | | | | Monmouth County Vocational School District | Monmouth | NJ | Public | |
| Blacksburg High School | C | 3 | | | Written Test Day (2/11) | Montgomery County Public Schools | Montgomery | VA | Public | |
| Cave Spring High School | C | 2 | | | | Roanoke County Public Schools | Roanoke | VA | Public | |
| CG Woodson High School | C | 3 | | | Written Test Day (2/11) | Fairfax County Public Schools | Fairfax | VA | Public |
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| Chaboya MS | B | 2 | | | Santa Clara County Regional Science Olympiad | Evergreen School District | Santa Clara | CA | Public |
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| Churchill Road ES | B | 1 | | | Langley Regional (1/24/2026) | Fairfax County Public Schools | Fairfax | VA | Public | |
| Cooper Middle School | B | 2 | | | Mary Washington (2/28) | Fairfax County Public Schools | Fairfax | VA | Public | |
| Dominion Christian School | C | 2 | | | | Fairfax | Fairfax | VA | Private | |
| Dulles High School | C | 2 | | | | Fort Bend ISD | Fort Bend | TX | Public |
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| Flint Hill School | C | 3 | | | Written Test Day (2/11) | Independent | Fairfax | VA | Private |
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| Glasgow Middle | B | 3 | | | Louisiana Science Olympiad | East Baton Rouge Parish | East Baton Rouge Parish | LA | Public |
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| Holly Springs High School | C | 2 | | | | Wake County Public School System | Wake | NC | Public | |
| JRMS Artificers | B | 2 | | | ER9 | Redding | Fairfield | CT | Public | |
| Katherine Johnson Middle School | B | 2 | | | | Fairfax County Public Schools | Fairfax | VA | Public | |
| Kellenberg Memorial High School | C | 2 | | | Nassau West (C) | None - private school | Nassau | NY | Private |
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| Kilmer Middle School | B | 2 | | | Mary Washington, VA | Fairfax County Public Schools | Fairfax | VA | Public | |
| Longfellow Middle School | B | 2 | | | University of Mary Washington | Fairfax County Public Schools | Fairfax | VA | Public |
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| Osbourn Park High School | C | 2 | | | | Prince William County Public Schools | Prince William County | VA | Public | |
| Potomac Falls High School | C | 2 | | | Written Test Day (2/11) | Loudoun County Public Schools | Loudoun | VA | Public | |
| Rachel Carson Middle School | B | 3 | | | University of Mary Washington | Fairfax County | Fairfax | VA | Public |
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| Robinson Secondary School | C | 2 | | | | Fairfax | Fairfax | VA | Public | |
| Rocky Run MS | B | 3 | | | | Fairfax County Public Schools | Chantilly | VA | Public | |
| Stoller Middle School | B | 1 | | | Oregon Science Olympiad | Beaverton School District | Washington | OR | Public |
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| Tandem Friends School | C | 3 | | | | Private | VA | VA | Private | |
| test | C | 1 | | | | test | test | OH | Public | |
| Timberline Middle School | B | 1 | | | Regional - NW (Division B)-RAHS | Lake Washington School District | King County | WA | Public |
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