| | | | |
| Alston Ridge Middle School | B | Raleigh Regional | Wake County Public School System | NC |
| Basis Cedar Park | C | San Antonio Regional at Texas A&M | Basis Charter School District | TX |
| BASIS HS | C | Santa Clara County Regional Science Olympiad | San Jose School District | CA |
| Beaverton Academy of Science and Engineering | C | Oregon Science Olympiad | Beaverton School District | OR |
| Bellarmine College Preparatory | C | Santa Clara County Regional Science Olympiad | N/A | CA |
| Bethany | B | San Joaquin | Lammersville | CA |
| Calumet High School | C | Michigan Science Olympiad Regional 1 | CLK Public Schools | MI |
| Castaic High School | C | SoCal Joint Regional | William S. Hart Union School District | CA |
| Chaboya MS | B | Santa Clara County Regional Science Olympiad | Evergreen School District | CA |
| Crean Lutheran High School | C | SoCal Joint Regional | Private school | CA |
| Evergreen Valley HS | C | Santa Clara County Regional Science Olympiad | East Side Union High School District | CA |
| Fugett Middle School | B | Central East Region at Kutztown University | West Chester Area School District | PA |
| Henry E. Huntington Middle School | B | CA | San Marino Unified | CA |
| Homeschool Science Colorado | C | Colorado Southern Regional | Homeschool | CO |
| Homeschool Science Colorado | B | Colorado Southern Regional | Homeschool | CO |
| Jay M. Robinson | B | Charlotte | Charlotte Mecklenburg | NC |
| Longfellow Middle School | B | University of Mary Washington | Fairfax County Public Schools | VA |
| Los Alamitos High School | C | SoCal Joint Regional | Los Alamitos Unified School District | CA |
| Lynbrook HS | C | Santa Clara County Regional Science Olympiad | Fremont Union High School | CA |
| Marquette University HS | C | Southeast WI | Private | WI |
| McCord JH | B | OH | Sylvania Schools | OH |
| Miller MS | B | Santa Clara County Regional Science Olympiad | Cupertino Union School District | CA |
| Milpitas High School | C | Santa Clara County Regional Science Olympiad | Milpitas Unified School District | CA |
| Monta Vista High School | C | | Fremont Union High School District | CA |
| Pacific Academy - Irvine | C | Pacific Academy - Irvine | Private School | CA |
| Questa | B | San Joaquin County | Lammersville USD | CA |
| Rancho Milpitas | B | Santa Clara County Regional Science Olympiad | Milpitas Unified | CA |
| Riverside STEM High School | C | SoCal Joint Regional | Riverside Unified School District | CA |
| South Pasadena High School | C | SoCal Joint Regional | South Pasadena Unified School District | CA |
| St. Francis High School | C | Sacramento Regional Science Olympiad | Sacramento City Unified/Diocese of Sacramento | CA |
| Stoller Middle School | B | Oregon Science Olympiad | Beaverton School District | OR |
| Stratford Preparatory | B | Santa Clara County Regional Science Olympiad | Private | CA |
| Thomas Russell Middle School | B | Santa Clara County Regional Science Olympiad | Milpitas Unified School District | CA |
| Tower Heights Middle School | B | Western Ohio Regional Tournament | Centerville City Schools | OH |
| Venado Middle School | B | Southern California | Irvine Unified School District | CA |
| Wasatch High School | C | Utah Science Olympiad | Wasatch County School District | UT |
| Washington Middle School | B | Michigan Science Olympiad Region 1 | CLK Public Schools | MI |
| Wilmington Academy of Arts & Sciences | B | Wilmington Regional | Wilmington Academy of Arts & Sciences | NC |