| | | | | | | | |
| Beacon Park | AA | 2 | | 2 | | Irvine Unified School District | Orange | CA |
| Beacon Park School | B | 1 | | 1 | SoCal Joint Regional | Irvine Unified School District | Orange | CA |
| Black Mountain Middle School | B | 3 | | 3 | SDSO | Poway Unified | San Diego | CA |
| Brywood Elementary | A | 3 | | 3 | | Irvine Unified School District | Orange County | CA |
| Canyon View Elementary | A | 2 | | 2 | | Irvine Unified | Orange County | CA |
| Carmel Valley Middle School | B | 3 | | 3 | SDSO | San Dieguito Union High School District | San Diego | CA |
| Chaparral Middle School | B | 2 | | 2 | SoCal Joint Regional | Walnut Valley Unified | Los Angeles | CA |
| Cypress Village Elementary | AA | 2 | | 2 | | Irvine Unified School District | Orange | CA |
| El Rancho Charter | B | 2 | | 2 | SoCal Joint Regional | Orange Unified | Orange | CA |
| Fulton & Alsbury Academy of Arts and Engineering | B | 2 | | 2 | SoCal Joint Regional | Lancaster | Los Angeles | CA |
| Henry E. Huntington Middle School | B | 2 | | 2 | | San Marino Unified | Los Angeles | CA |
| Jeffrey Trail Middle School | B | 3 | | 3 | SoCal Joint Regional | Irvine Unified School District | Orange County | CA |
| Kennedy MS | B | 3 | | | | Cupertino Union School District | Santa Clara | CA |
| Kraemer Middle School | B | 3 | | 3 | SoCal Joint Regional | Placentia Unified | Orange | CA |
| Madrona Middle School | B | 1 | | | SoCal Joint Regional | Torrance Unified School District | Los Angeles | CA |
| McPherson Magnet School | B | 2 | | 2 | SoCal Joint Regional | Orange Unified School District | Orange | CA |
| Mesa Verde Middle School | B | 3 | | 3 | SDSO | Poway Unified School District | San Diego | CA |
| Northwood Elementary | AA | 1 | | 1 | | Irvine Unified School District | Orange | CA |
| Oak Ave. | B | 1 | | 1 | SoCal Joint Regional | Temple City | LA | CA |
| Oak Middle School | B | 1 | | 1 | SoCal Joint Regional | Los Alamitos Unified School District | Orange County | CA |
| Oak Valley Middle School | B | 3 | | 3 | SDSO | Poway Unified School District | San Diego | CA |
| Olinda Elementary | A | 2 | | 2 | | Brea-Olinda USD | Orange | CA |
| Orange County School of the Arts | B | 2 | | 2 | Orange County | Independent Charter | Orange | CA |
| Pacific Trails Middle School | B | 3 | | 3 | SDSO | San Dieguito Union High School District | San Diego | CA |
| Rancho San Joaquin Middle School | B | 2 | | | SoCal Joint Regional | IUSD | Orange County | CA |
| Robert C. Fisler K-8 | B | 1 | 2 | 1 | SoCal Joint Regional | Fullerton School District | Orange County | CA |
| Santiago Hills Elelmentary | AA | 3 | | 3 | | Irvine Unified | Orange | CA |
| Sierra Vista Middle School | B | 5 | | | | IUSD | Orange County | CA |
| Timberline Middle School | B | 1 | | 1 | Regional - Southwest (Division B) | Lake Washington School District | King County | WA |
| Turtle Rock Elementary | AA | 2 | | 2 | | Irvine Unified School District | Orange | CA |
| Van Avery Prep | B | 2 | | | SoCal Joint Regional | Private | Riverside | CA |
| Winston Churchill MS | B | 2 | | 2 | Sacramento Regional Science Olympiad | San Juan Unified School District | Sacramento | CA |
| Woodbury Elementary | AA | 3 | | 3 | SoCal Elementary | Irvine Unified School District | Orange County | CA |