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| Abington Heights Middle School | B | 1 | Mini Satellite Hybrid SO Regional | Abington Heights School District | PA | |
| Alamo Heights Junior School | B | | Rio Grande Regional | Alamo Heights ISD | TX |
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| Bala Cynwyd Middle School | B | | Mini Satellite Hybrid SO Regional | Lower Merion School District | PA | |
| Bedford Middle School | B | 2 | n/a | Westport Public Schools | CT | |
| Chapin School | B | 1 | | Private/Independent | NJ | |
| Coleytown Middle School | B | | | Westport CT | CT | |
| Community Middle School | B | 2 | | West Windsor Plainsboro School District | NJ | |
| Conrad Schools of Science | B | | DE Regional 1 | Red Clay School District | DE | |
| Davis Junior High school | B | | MI Regional 7 | Utica | MI | |
| Eagle View Middle School | B | 2 | Mini Satellite Hybrid SO Regional | Cumberland Valley School District | PA | |
| Fairfield Junior High | B | 2 | Utah | Davis | UT |
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| Fulton Science Academy | B | 3 | Georgia | Private | GA | |
| Glasgow Middle | B | | | East Baton Rouge Parish | LA | |
| Granville Middle School | B | 3 | Western Ohio Regional Tournament | Granville Exempted Village School District | OH | |
| Greenville Renewable Energy Education Charter School | B | 2 | | South Carolina Public Charter School District | SC | |
| Harlan Rowe Middle School | B | 2 | Mini Satellite Hybrid SO Regional | Athens Area School District | PA | |
| Highlands Intermediate School | B | | HSSO Div B Regional | Leeward District | HI | |
| Hillsborough Middle School | B | 1 | New Jersey | Hillsborough | NJ |
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| J. R. Fugett Middle School | B | 1 | Southeast South Region at Neumann University | West Chester Area School District | PA | |
| Jeffrey Trail Middle School | B | 2 | SoCal Joint Regional | Irvine Unified School District | CA | |
| Kennedy MS | B | 3 | Santa Clara County Regional Science Olympiad | Cupertino Union School District | CA |
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| Kutztown Middle School | B | 1 | | Kutztown Area School District | PA | |
| Longfellow Middle School | B | 1 | Newton (1/30) | Fairfax County Public Schools | VA | |
| Mesa Robles School | B | 2 | Los Angeles - South | Hacienda La Puente USD | CA | |
| Mount Vernon Middle School | B | | Iowa State | Mount Vernon Community School District | IA | |
| Mountain View Middle School | B | 2 | Mini Satellite Hybrid SO Regional | Cumberland Valley School District | PA | |
| North Pocono Middle School | B | | | North Pocono School District | PA | |
| Pacific Trails Middle School | B | 1 | San Diego | San Dieguito Union High School District | CA |
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| Parkland MS | B | 1 | PA | Trial | PA | |
| Saint Leo the Great Catholic School | B | | Mini Satellite Hybrid SO Regional | Diocese of Harrisburg | PA | |
| Sartartia Middle School | B | 2 | San Antonio Regional | Fort Bend ISD | TX | |
| Shady Side Academy Middle School | B | 2 | Mini Satellite Hybrid SO Regional | Independent | PA | |
| Sierra Vista Middle School - IUSD | B | 3 | SoCal Joint Regional | IUSD | CA | |
| Slauson Middle School | B | 3 | MI Regional 09 | Ann Arbor Public Schools | MI |
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| Springhouse Middle School | B | 2 | Mini Satellite Hybrid SO Regional | Parkland | PA | |
| Tilden Middle School | B | 1 | | Montgomery County Public Schools | MD | |
| Wayne Highlands Middle School | B | 1 | Mini Satellite Hybrid SO Regional | Wayne Highlands School District | PA | |