| Beach Street Middle School | New York | 6-8 | Suburban |
| Brambleton Middle School | Virginia | 6-8 | Suburban |
| Cave Spring Middle School | Virginia | 6-8 | Suburban |
| Crayton Middle School | South Carolina | 6-8 | Urban |
| Custer Baker Intermediate School | Indiana | 5-6 | Suburban |
| Ewa Makai Middle School | Hawaii | 6-8 | Suburban |
| Farmwell Station Middle School | Virginia | 6-8 | Suburban |
| Gilbert Middle School | Iowa | 6-8 | Suburban |
| Girls Preparatory School | Tennessee | 6-12 | Urban |
| Hidden Valley Middle School | Virginia | 6-8 | Suburban |
| JL Simpson Middle School | Virginia | 6-8 | Suburban |
| Kamehameha Schools | Hawaii | 7-8 | Urban |
| Laveen Elementary School | Arizona | PreK-8 | Urban |
| Lee County Middle School West | Georgia | 6-8 | Rural |
| Mattawan Middle School | Michigan | 6-8 | Rural |
| Mayfield Middle School | Ohio | 6-8 | Suburban |
| McCulloch Intermediate School | Texas | 5-6 | Suburban |
| Miguel Juarez Middle School | Illinois | 6-8 | Urban |
| R.L. Stevenson Middle School | Hawaii | 6-8 | Urban |
| Readington Middle School | New Jersey | 6-8 | Suburban |
| Seven Hills School | Virginia | 5-8 | Urban |
| Smart’s Mill Middle School | Virginia | 6-8 | Suburban |
| South Orangetown Middle School | New York | 6-8 | Suburban |
| South View Middle School | Minnesota | 6-8 | Suburban |
| Tomahawk Creek Middle School | Virginia | 6-8 | Suburban |
| Watertown Middle School | South Dakota | 7-8 | Rural |
| Willard Middle School | Virginia | 6-8 | Suburban |
| Winston Campus Jr. High School | Illinois | 7-8 | Suburban |