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| Alston Ridge Middle School | B | 1 | | Raleigh Regional | Wake County Public School System | NC |
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| Alvirne High School | C | 1 | | All NH Region | Hudson School District (NH) | NH | |
| Carolina Collegiate High School | C | 1 | 1 | Carolina Collegiate High School | Durham Charter | NC | |
| Chaboya MS | B | 3 | | Santa Clara County Regional Science Olympiad | Evergreen School District | CA |
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| Chaminade-Madonna College Preparatory | C | 2 | | Southeastern Regional at Florida Atlantic University | Private | FL | |
| East Lake High school | C | 2 | | Western Regional at Hillsborough College, Brandon Campus | Pinellas County Schools | FL | |
| Evergreen Middle School | B | 1 | 1 | Regional - NW-B-East | Lake Washington School District | WA |
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| Forsyth Central High School | C | 2 | | Regional Placeholder | Forsyth County Schools | GA | |
| G.M. Walters Middle School | B | 1 | | Alameda Regional Science Olympiad | Fremont Unified School District | CA | |
| Gateway Middle School | B | 2 | 2 | Regional - NW-B-Seattle | Everett School District | WA | |
| Gilson Middle School | B | 2 | | Alaska | Valdez City Schools | AK | |
| James S. Rickards High School | C | 3 | | North Regional at The University of Florida | Leon County | FL | |
| Largo High School | C | 2 | | Western Regional at Hillsborough College, Brandon Campus | Pinellas County Schools | FL | |
| Los Alamitos High School | C | 2 | | SoCal Joint Regional | Los Alamitos Unified School District | CA | |
| Monta Vista High School | C | 2 | | Santa Clara County Regional Science Olympiad | Fremont Union High School District | CA |
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| Northern Academy | C | 1 | 1 | Mid Hudson | Private | NY | |
| Olympia High School | C | 8 | | Central Regional at Osceola High School | Orange County Public Schools | FL | |
| Orlando Science Middle School | B | 4 | | Central Regional at Osceola High School | Orange | FL |
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| Palm Desert High School | C | 1 | | | Desert Sands Unified School District | CA | |
| Pembroke Pines Charter Academic Village | B | 4 | | Southeastern Regional at Florida Atlantic University | Broward | FL | |
| Redwood Middle School | B | 3 | | Santa Clara County Regional Science Olympiad | Saratoga Union SD | CA |
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| River City Science Academy-Intracoastal | B | 3 | 3 | Eastern Regional at Stetson University | Duval | FL | |
| Sunset High School | C | 1 | | Oregon Science Olympiad | Beaverton School District | OR | |
| Triangle Math and Science Academy High School | C | 1 | | | Wake County | NC | |
| Troy High School (CA) | C | 2 | | Orange County | Fullerton Joint Union High School DIstrict | CA |
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