| Beach Street Middle School | New York | 6-8 | Suburban |
| Brambleton Middle School | Virginia | 6-8 | Suburban |
| Cave Spring Middle School | Virginia | 6-8 | Suburban |
| Community School | Virginia | 5-8 | Rural |
| JL Simpson Middle School | Virginia | 6-8 | Suburban |
| Marietta Sixth Grade Academy | Georgia | 6 | Suburban |
| McCulloch Intermediate School | Texas | 5-6 | Suburban |
| Miguel Juarez Middle School | Illinois | 6-8 | Urban |
| Readington Middle School | New Jersey | 6-8 | Suburban |
| Seaman Middle School | Kansas | 7-8 | Rural |
| Tomahawk Creek Middle School | Virginia | 6-8 | Suburban |