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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 | |
| Basis Peoria | C | 2 | 2 | Div C: North Central | Basis Charter | AZ | |
| Bellingham Family Partnership Program | B | 1 | | | Bellingham Public Schools | WA |
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| Buchholz High School | C | 1 | 1 | Northern Regional at The University of Florida | Alachua County | FL | |
| Carolina Collegiate High School | C | 1 | 1 | Carolina Collegiate High School | Durham Charter | NC | |
| Chaboya MS | B | 3 | 3 | Santa Clara County Regional Science Olympiad | Evergreen School District | CA |
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| Chaminade-Madonna College Preparatory | C | 2 | 2 | Southeastern Regional at Florida Atlantic University | Private | FL | |
| Conestoga High School | C | 3 | | | Tredyffrin/Easttown School District | PA | |
| Division Avenue High School | C | 1 | 1 | Nassau East Regional | Levittown Public Schools | NY |
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| Doral Academy High School | C | 1 | | Southern Regional at University of Miami | Miami-Dade | FL | |
| East Lake High school | C | 2 | | Western Regional at Hillsborough College, Brandon Campus | Pinellas County Schools | FL | |
| Eden Prairie High School | C | 4 | 4 | Minnesota Science Olympiad | Eden Prairie Schools - ISD 272 | MN | |
| Evergreen Middle School | B | 2 | 2 | Regional - NW-B-East | Lake Washington School District | WA |
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| Forsyth Central High School | C | 2 | | Berry College Div C Regional | 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 | 2 | Alaska | Valdez City Schools | AK | |
| Jefferson School | B | 1 | | San joaquin county | Jeffserson School district | CA | |
| Jonas Clarke Middle School | B | 2 | | Division B - All Schools | Lexington Public Schools | MA |
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| Kittredge Magnet School | B | 1 | 1 | Oglethorpe Univerrsity Div B Regional | Dekalb County | GA | |
| La Canada High School | C | 1 | | SoCal Joint Regional | La Canada Unified School District | CA | |
| Largo High School | C | 2 | | Western Regional at Hillsborough College, Brandon Campus | Pinellas County Schools | FL | |
| Libertyville High School | C | 6 | 6 | Illinois Regional | District 128 | IL | |
| Los Alamitos High School | C | 2 | | SoCal Joint Regional | Los Alamitos Unified School District | CA | |
| Mark Twain Middle School | B | 1 | 1 | Antelope Valley | Los Angeles Unified School District | CA | |
| Monta Vista High School | C | 3 | 3 | 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 | |
| Odle Middle School | B | 1 | | Regional - NW-B-East | Bellevue School District | WA | |
| Olympia High School | C | 8 | | Central Regional at Osceola High School | Orange County Public Schools | FL | |
| Orlando Science Charter School East | B | 1 | | Central Regional at Osceola High School | Orange | 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 | |
| Pembroke Pines Charter Central Middle School | B | 4 | 4 | Southeast Regional at Florida Atlantic University | Broward | FL | |
| Quail Valley Middle School | B | 2 | | Gulf Coast | Fort Bend ISD | TX | |
| 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 | |
| School for Advanced Studies- South | C | 1 | | Southern Regional at University of Miami | Miami-Dade County Public Schools | FL | |
| Sunset High School | C | 1 | | Oregon Science Olympiad | Beaverton School District | OR | |
| Tampa Preparatory School | C | 1 | 1 | Western Regional at Hillsborough College, Brandon Campus | Hillsborough | FL | |
| Timberline Middle School | B | 1 | 1 | NW Div B East | Lake Washington School District | WA |
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| Triangle Math and Science Academy High School | C | 1 | | | Wake County | NC |
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| Troy High School (CA) | C | 2 | 2 | Orange County | Fullerton Joint Union High School DIstrict | CA |
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| Westpark Elementary | B | 3 | 3 | Orange County Regional Science Olympiad | Irvine Unified School District | CA | |