| Aliamanu Middle School | Hawaii | 7-8 | Suburban |
| Beach Street Middle School | New York | 6-8 | Suburban |
| Ewa Makai Middle School | Hawaii | 6-8 | Suburban |
| Gemini Middle School | Illinois | 6-8 | Suburban |
| Girls Preparatory School | Tennessee | 6-12 | Urban |
| JL Simpson Middle School | Virginia | 6-8 | Suburban |
| Learning Community Charter School | New Jersey | PreK-8 | Urban |
| Mattawan Middle School | Michigan | 6-8 | Rural |
| McCulloch Intermediate School | Texas | 5-6 | Suburban |
| Moanalua Middle School | Hawaii | 7-8 | Suburban |
| Phoenix Middle School | Ohio | 7-8 | Suburban |
| R.L. Stevenson Middle School | Hawaii | 6-8 | Urban |
| Readington Middle School | New Jersey | 6-8 | Suburban |
| Ridgedale Middle School | New Jersey | 6-8 | Suburban |
| Seneca Ridge Middle School | Virginia | 6-8 | Suburban |
| Seven Hills School | Virginia | 5-8 | Urban |
| Sheridan School | District of Columbia | K-8 | Urban |
| South Orangetown Middle School | New York | 6-8 | Suburban |
| Tomahawk Creek Middle School | Virginia | 6-8 | Suburban |
| Willard Middle School | Virginia | 6-8 | Suburban |
| Wisdom Lane Middle School | New York | 6-8 | Suburban |
| Woodstock Union Middle School | Vermont | 7-8 | Rural |