| | | | | | | |
| Advanced Technology Academy | B | 1 | Region 8 | Advanced Technology Academy | United States | MI | |
| Albany Middle School | B | 3 | Alameda Regional Science Olympiad | Albany USD | Alameda | CA |
|
| Algonquin Middle School | B | 1 | MI Regional 07 | Chippewa Valley Schools | United States | MI |
|
| Alston Ridge Middle School | B | 1 | Raleigh Regional | Wake County Public School System | Wake County | NC | |
| Altmar-Parish-Williamstown Junior-Senior High School | B | 1 | New York Mid State | Altmar-Parish-Williamstown Central Schools | Oswego | NY | |
| Bala Cynwyd Middle School | B | 2 | Southeast Regional at PSU Abington | Lower Merion School District | Montgomery | PA |
|
| BASIS Cedar Park | B | 1 | Texas UT Austin | Charter | Williamson | TX |
|
| Bemis Jr High School | B | 1 | Region 7 | Utica | macomb | MI | |
| Bernardo Heights Middle School | B | 2 | SDSO | Poway Unified School District | San Diego | CA |
|
| Brewton Middle School | B | 3 | U of Alabama-regional tournament | Brewton City Schools | Escambia County | AL | |
| Brother Joseph C. Fox Latin School | B | 2 | | none - private school | Nassau | NY | |
| Campbell Middle School | B | 1 | Georgia State University Atlanta Div B Regional | Cobb County School District | Cobb | GA | |
| Carnage Middle School | B | 2 | | Wake County Public Schools | Wake County | NC |
|
| Central Wilkes Middle School | B | 2 | | Wilkes County | Wilkes County | NC | |
| Chaboya MS | B | 3 | Santa Clara County Regional Science Olympiad | Evergreen School District | Santa Clara | CA |
|
| Churchill Road ES | B | 1 | Langley Regional (1/24/2026) | Fairfax County Public Schools | Fairfax | VA | |
| Cordes Elementary | B | 1 | San Joaquin | Lammersville USD | San Joaquin | CA | |
| Dodgen Middle School | B | 1 | Oglethorpe Univerrsity Div B Regional | Cobb County | Cobb | GA |
|
| Dwight-Englewood School (MS) | B | 1 | New Jersey Science Olympiad | Private | Bergen | NJ | |
| Elkhorn Elementary | B | 1 | Elkhorn MS | Lodi Unified School District | San Joaquin | CA | |
| Eppler Junior High | B | 1 | MI Regional 07 | Utica Community Schools | Macomb | MI | |
| Evelyn Costa Elementary | B | 2 | San Joaquin County | Lammersville Unified School District | San Joaquin | CA | |
| Evergreen Middle School | B | 4 | Regional - Northwest B #1 | Lake Washington School District | King County | WA |
|
| Felix Festa Middle School | B | 2 | Lower Hudson | Clarkstown Central School District | Rockland | NY | |
| Galaxy Middle School | B | 4 | Eastern Regional at Embry Riddle Aeronautical University | Volusia | United States | FL |
|
| Galvin Middle School | B | 2 | Massachusetts State Science Olympiad | Wakefield | Middlesex | MA | |
| Garnet Valley MS | B | 3 | | Garnet Valley School District | Delaware | PA | |
| George Kelly | B | 2 | San Joaquin | Tracy Unified SD | San Joaquin | CA | |
| Hebrew Language School 2 | B | 1 | NY | community school district 22 | Brooklyn, NY | NY | |
| Hunter College High School | B | 1 | New York City | Independent/Charter | New York County | NY | |
| Incarnate Word Academy | B | 1 | Northeast & Northern Ohio Regional Tournament | PARMA CSD | Cuyahoga | OH |
|
| Inglewood Middle School | B | 5 | Regional - Northwest B #1 | LWSD | King County | WA |
|
| International Community School | B | 3 | Regional - Northwest B #1 | LWSD | King County | WA |
|
| IS98 Bay Academy | B | 2 | NYC | District 21 | Kings | NY |
|
| Kealing Middle School | B | 3 | UT Austin | Austin ISD | Travis | TX | |
| Keystone Academy | B | 2 | Region 8 | Charter School | Wayne County | MI | |
| Lakeside Middle School | B | 1 | SoCal Joint Regional | Irvine Unified School District | Orange | CA |
|
| Legg Middle School | B | 1 | Midwest | Coldwater Community Schools | Branch County | MI |
|
| Lincoln Middle School | B | 1 | Rhode Island Science Olympiad | Lincoln RI | United States | RI | |
| Mark Twain Middle School | B | 1 | Antelope Valley | Los Angeles Unified School District | Los Angeles | CA | |
| Marshall Middle School | B | 7 | SDSO | San Diego Unified School District | San Diego | CA | |
| Masuda MS | B | 1 | SoCal Science Olympiad | Fountain Valley School District | Orange | CA | |
| Monrovia Middle Schools | B | 1 | B Division - UofA State Tournament | Madison County | Madison | AL | |
| Nathaniel Hawthorne Middle School | B | 1 | New York City | District 26 | Queens | NY | |
| Oak Middle School | B | 1 | SoCal Joint Regional | Los Alamitos Unified School District | Orange County | CA | |
| Oak Valley Middle School | B | 7 | SDSO | Poway Unified School District | CA | CA |
|
| Oconee County Middle School | B | 2 | Georgia State University Atlanta Div B Regional | Oconee County | Oconee | GA | |
| Odle Middle School | B | 2 | Regional - Northwest B #2 | Bellevue School District | King County | WA | |
| Orlando Science Middle School | B | 1 | Central Regional at Osceola High School | Orange | Orange | FL |
|
| Pearson Ranch Middle School | B | 2 | Texas | Round Rock ISD | Williamson | TX | |
| Pembroke Pines Charter Central Middle School | B | 6 | Southeast Regional at Florida Atlantic University | Broward | United States | FL | |
| Pleasantville Middle School | B | 1 | Lower Hudson Valley | Pleasantville Union Free School District | Westchester | NY |
|
| Rancho San Joaquin Middle School | B | 2 | Orange | Irvine Unified | Orange County | CA | |
| Redmond Middle School | B | 6 | Regional - Northwest B #2 | Lake Washington School District | King | WA |
|
| River Trail Middle School | B | 3 | Jackson Co Div B Regional | Fulton County | Fulton | GA |
|
| Robert E Bell Middle School | B | 4 | | Chappaqua Central School District | Westchester | NY |
|
| Roslyn Middle School | B | 1 | Western Long Island | Roslyn Union Free School District | Nassau | NY | |
| Safford K-8 | B | 1 | Div B: North Central | Tucson Unified School District | Pima | AZ | |
| Sequoyah Middle School - Edmond | B | 1 | OKSciOly East B Regional | Edmond Public Schools | Oklahoma | OK | |
| Seven Bridges Middle School | B | 4 | Lower Hudson Vallley | Chappaqua | Westchester | NY |
|
| South Orangetown Middle School | B | 1 | Lower Hudson | South Orangetown Central School District | Rockland | NY | |
| Steam Academy | B | 2 | | River Islands Academies | San Joaquin County | CA | |
| Stoller Middle School | B | 3 | Oregon Science Olympiad | Beaverton School District | Washington | OR |
|
| Summit Trail Middle School | B | 1 | Northeast Regional | Olathe School District | Johnson | KS | |
| Timberline Middle School | B | 6 | Regional - NW (Division B)-RAHS | Lake Washington School District | King County | WA |
|
| Timothy Edwards Middle School | B | 2 | Connecticut Science Olympiad | South Windsor Public Schools | Hartford | CT | |
| Travis Middle School | B | 1 | | McAllen ISD | Hidalgo | TX | |
| Turtle Rock Elementary School | B | 2 | Orange County | Irvine Unified School District | Orange | CA | |
| University Park Elementary School | B | 1 | | Irvine school district | Orange County | CA | |
| Walnut Hills | B | 1 | Cincinnati | Cincinnati Public | Hamilton | OH | |
| Warrensburg Middle School | B | 1 | Region 3 B/C | Warrensburg R-VI | Johnson | MO | |
| Westlake Middle School | B | 2 | Lower Hudson Valley | Mt. Pleasant CSD | Putnam | NY | |
| Westpark Elementary School | B | 3 | Orange County | Irvine Unified School District | Orange Country | CA | |
| Whitney M Young Academic Center | B | 1 | Chicago Regional | 299 | Illinois | IL | |
| Wilbur Wright Middle School | B | 2 | Valpo Regional | School Town of Munster | Lake | IN |
|
| William Diamond Middle School | B | 2 | Massachusetts State Science Olympiad | Lexington | Middlesex | MA |
|
| Worcester Academy | B | 1 | Massachusetts State Science Olympiad | Worcester | Worcester | MA | |