| Beach Street Middle School | New York | 6-8 | Suburban |
| Belmont Ridge Middle School | Virginia | 6-8 | Suburban |
| Brambleton Middle School | Virginia | 6-8 | Suburban |
| Cave Spring Middle School | Virginia | 6-8 | Suburban |
| Coastal Middle School | Georgia | 6-8 | Suburban |
| Community School | Virginia | 5-8 | Rural |
| Crayton Middle School | South Carolina | 6-8 | Urban |
| Douglas Middle School | Wyoming | 6-8 | Rural |
| Elwood Middle School | New York | 6-8 | Suburban |
| Ewa Makai Middle School | Hawaii | 6-8 | Suburban |
| Farmwell Station Middle School | Virginia | 6-8 | Suburban |
| Gemini Middle School | Illinois | 6-8 | Suburban |
| Girls Preparatory School | Tennessee | 6-12 | Urban |
| Gum Spring Middle School | Virginia | 6-8 | Suburban |
| Hidden Valley Middle School | Virginia | 6-8 | Suburban |
| Hudson Middle School | Ohio | 6-8 | Suburban |
| JL Simpson Middle School | Virginia | 6-8 | Suburban |
| Kaimukī Middle School | Hawaii | 6-8 | Suburban |
| Kamehameha Schools | Hawaii | 7-8 | Urban |
| Laveen Elementary School | Arizona | PreK-8 | Urban |
| Learning Community Charter School | New Jersey | PreK-8 | Urban |
| Lee County Middle School West | Georgia | 6-8 | Rural |
| Lunsford Middle School | Virginia | 6-8 | Suburban |
| Madison Country Day School | Wisconsin | PreK-12 | Rural |
| Marietta Sixth Grade Academy | Georgia | 6 | Suburban |
| Mattoon Middle School | Illinois | 6-8 | Rural |
| McCulloch Intermediate School | Texas | 5-6 | Suburban |
| Miguel Juarez Middle School | Illinois | 6-8 | Urban |
| Moanalua Middle School | Hawaii | 7-8 | Suburban |
| Oceanside Middle School | New York | 7-8 | Suburban |