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| Alonzo De Leon | B | 1 | 1 | | McAllen ISD | TX | |
| Beacon Park | B | 2 | 2 | | Irvine Unified School District | CA |
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| Benjamin N. Cardozo High School | C | 3 | 3 | | NYCDOE District 26 | NY | |
| Carden Park Elementary School | B | 1 | 1 | Region 3 B/C | SAINT JOSEPH SCHOOL DISTRICT | MO | |
| Central Magnet School | C | 2 | | Middle Tennessee State University Regional | Rutherford County Schools | TN |
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| Edgewood High School | C | 1 | | SoCal Joint Regional | West Covina Unified | CA | |
| Edgewood Middle School | B | 1 | 1 | SoCal Joint Regional | West Covina Unified | CA | |
| El Cerrito High School | C | 1 | | Bay Area Regional Science Olympiad | West Contra Costa County | CA | |
| Evergreen Middle School | B | 1 | 1 | Regional - NW-B-East | Lake Washington School District | WA |
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| Fairview Middle School | B | 4 | 4 | Northern Regional at The University of Florida | Leon County | FL |
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| Flintridge Sacred Heart Academy | C | 1 | | SoCal Joint Regional | Independent | CA | |
| Fountain Valley High School | C | 1 | 1 | SoCal Joint Regional | Huntington Beach Union High School District | CA | |
| Kamiakin Middle School | B | 1 | 1 | Regional - NW-B-Seattle | Lake Washington School District | WA | |
| Kealing Middle School | B | 6 | 6 | UT Austin | Austin ISD | TX | |
| Kennedy Middle School | B | 6 | | Santa Clara County Regional Science Olympiad | Cupertino Union School District | CA |
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| Lakeside Middle School | B | 1 | 1 | SoCal Joint Regional | Irvine Unified School District | CA |
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| Larchmont Charter School | C | 1 | | SoCal Joint Regional | Los Angeles Unified | CA | |
| Maclay School | C | 1 | | Northern Regional at The University of Florida | Private | FL | |
| Nathaniel Hawthorne Middle School | B | 1 | | New York City | District 26 | NY | |
| Our Lady of the Valley Catholic School | B | 2 | 2 | Alabama Science Olympiad | Catholic Diocese of Birmingham | AL | |
| Palos Verdes Peninsula High School | C | 2 | | SoCal Joint Regional | Palos Verdes Peninsula School District | CA | |
| Piedmont Open IB Middle School | B | 1 | | Charlotte Mecklenburg | Charlotte-Mecklenburg Schools | NC |
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| Quail Valley Middle School | B | 2 | 2 | Gulf Coast | Fort Bend ISD | TX | |
| River city Science Academy Innovation | B | 2 | 2 | Southeast Regional at Florida Atlantic University | DUVAL | FL |
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| River City Science Academy M-H | B | 3 | | East Regional at Stetson University | DUVAL | FL |
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| Robert C. Fisler K-8 | B | 2 | | SoCal Joint Regional | Fullerton School District | CA | |
| Roy C. Ketcham High School | C | 2 | | Mid Hudson | Wappingers Central School District | NY | |
| Rye High School | C | 1 | | | Rye City School District | NY | |
| San Dimas High School | C | 2 | | SoCal Joint Regional | Bonita Unified School District | CA | |
| San Marino High School | C | 2 | 2 | SoCal Joint Regional | San Marino Unified School District | CA | |
| Seven Lakes Junior High | B | 1 | | Gulf Coast Regional | Katy ISD | TX |
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| Silvercreek High School | C | 2 | 2 | Santa Clara County Regional Science Olympiad | East Side Union High School District | CA | |
| Smithtown High School West | C | 3 | 2 | | Smithtown School District | NY | |
| South Windsor High School | C | 2 | | | South Windsor High School | CT |
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| Stafford Middle School | B | 1 | 1 | | Plattsburgh City School District | NY |
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| State College High School | C | 1 | 1 | | State College High School | PA | |
| Steam Academy | B | 1 | | San Joaquin County | River Islands Academies | CA | |
| Summer Creek High School | C | 1 | | University of Texas Regional | Humble ISD | TX | |
| Sunset High School | C | 1 | 1 | Oregon Science Olympiad | Beaverton School District | OR | |
| Syosset High School | C | 1 | | Nassau east | Syosset Central School District | NY | |
| Timberline Middle School | B | 1 | | NW Div B East | Lake Washington School District | WA |
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| Travis Middle School | B | 1 | | Travis Middle School | McAllen ISD | TX | |
| Triangle Math and Science Academy High School | C | 3 | | | Wake County | NC |
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| University Park Elementary School | B | 2 | 2 | | Irvine school district | CA | |
| Upper Arlington High School | C | 2 | | Central Ohio Regional Tournament | Upper Arlington School District | OH | |
| Vestal High School | C | 2 | 2 | Southern Tier | Vestal Central School District | NY |
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| Westpark Elementary | B | 3 | 3 | Orange County Regional Science Olympiad | Irvine Unified School District | CA | |
| Westview High School | C | 1 | | Oregon Science Olympiad | Beaverton School District | OR | |
| Yorktown High School | C | 3 | | | Yorktown Central School District | NY | |