| | | | |
| Albany MS | B | | Northern California Science Olympiad | AUSD |
| Amador Valley High School | C | 1 | Northern California Science Olympiad | Pleasanton Unified School District |
| American High | C | | Northern California Science Olympiad | Fremont Unified School District |
| Arden Middle School | B | | | San Juan Unified School Disrict |
| Baird Middle School | B | | Fresno County Regional Science Olympiad | Fresno Unified School District |
| Buchanan High School | C | | Fresno County Regional Science Olympiad | Clovis Unified School District |
| Canyon MS (Bay Area) | B | | Northern California Science Olympiad | Castro Valley Unified School District |
| Castro Valley High School | C | | Northern California Science Olympiad | Castro Valley Unified School District |
| Chaboya Middle School | B | 1 | Santa Clara County Regional Science Olympiad | Evergreen School District |
| Clark Intermediate School | B | | | Clovis Unified School District |
| Clovis North HS | C | | Northern California Science Olympiad | Clovis Unified School District |
| Creekside Middle School | B | | Northern California Science Olympiad | Castro Valley Unified School District |
| Davis Senior High School | C | | | Davis Joint Unified School District |
| Edison Computech | B | | Northern California Science Olympiad | Fresno Unified School District |
| Edison High School | C | | Golden Gate Invitational | Fresno Unified School District |
| Elkhorn Middle School | B | | San Joaquin County | Lodi unified school district |
| Enochs High | C | | Stanislaus County Science Olympiad | Modesto |
| Exeter HS | C | | Northern California Science Olympiad | Exeter Unified School District |
| Franklin High School | C | | San Joaquin County | Stockton Unified School District |
| Golden Hills School | B | 1 | | Private |
| Green Acres MS- (Tulare County) | B | | NorCal Scioly State | Visalia Unified School District |
| Greene MS | B | | Northern California Science Olympiad | Palo Alto Unified School District |
| Gregori HS | C | | Northern California Science Olympiad | Modesto City Schools |
| Jefferson Academy | B | | Tulare County | Hanford Elementary School District |
| John Sutter Middle School | B | | Northern California Science Olympiad | Fowler Unified |
| Kennedy Middle School | B | 1 | Northern California Science Olympiad | Cupertino Union School District |
| La Loma JHS | B | | Stanislaus County Science Olympiad | Modesto City Schools |
| Live Oak Middle School | B | | Northern California Science Olympiad | Tulare City School District |
| Lodi High | C | | Aggie Invitational | Lodi Unified School District |
| Lynbrook HS | C | 1 | Northern California Science Olympiad | Fremont Union High School |
| Miller Middle School | B | | Northern California Science Olympiad | Cupertino Union School District |
| Milpitas High School | C | | Northern California Science Olympiad | Milpitas Unified School District |
| Mira Loma High School | C | 1 | Northern California Science Olympiad | San Juan Unified School District |
| Mission San Jose High School | C | 1 | Northern California Science Olympiad | Fremont Unified School District |
| Modesto High School | C | | Stanislaus County Science Olympiad | Modesto City Schools |
| Mountain House HS | C | | Northern California Science Olympiad | Lammersville Unified School District |
| Mountain View High School | C | | Northern California Science Olympiad | Mountain View Los Altos High School District |
| Oakdale JHS | B | | | OJUSD |
| Our Lady of Fatima Catholic School | B | | | Stockton Diocese (private) |
| Palo Alto High School | C | 1 | Northern California Science Olympiad | Palo Alto Unified School District |
| Peter Hansen ES | B | | Northern California Science Olympiad | Lammersville Unified |
| Pleasant Grove High School | C | 1 | Sacramento Regional Science Olympiad | Elk Grove Unified School District |
| Questa | B | | Northern California Science Olympiad | Lammersville USD |
| Ridgeview Middle School | B | | | Visalia Unified School District |
| Sheldon High School | C | | Sacramento Regional Science Olympiad | Elk Grove Unified School District |
| Sutter Middle School | B | | Sacramento Regional Science Olympiad | Folsom Cordova Unified School District |
| Thornton Junior High School | B | | Bay Area Science Olympiad | Fremont Unified School District |
| Tokay High | C | | San Joaquin County | Lodi Unified School District |
| Tulare Union HS | C | | Northern California Science Olympiad | Tulare Joint Union High School District |
| Turlock HS | C | | Stanislaus County Science Olympiad | Turlock Unified School District |
| University (Fresno) | C | 1 | Fresno County Regional Science Olympiad | Fresno Unified School District |
| University (Visalia) Preparatory High School | C | | NorCal Scioly State | Tulare County Office of Education |
| Ustach MS | B | | Stanislaus County Science Olympiad | Sylvan Union School District |
| Wicklund Elementary School | B | | Northern California Science Olympiad | Lammersville Unified School District |
| Winston Churchill Middle School | B | 1 | Northern California Science Olympiad | San Juan Unified School District |