| Beach Street Middle School | New York | 6-8 | Suburban |
| Central Middle School | Georgia | 6-8 | Rural |
| Chouteau Middle School | Oklahoma | 5-8 | Rural |
| Custer Baker Intermediate School | Indiana | 5-6 | Suburban |
| Dorseyville Middle School | Pennsylvania | 6-8 | Suburban |
| Gemini Middle School | Illinois | 6-8 | Suburban |
| JL Simpson Middle School | Virginia | 6-8 | Suburban |
| McCulloch Intermediate School | Texas | 5-6 | Suburban |
| Phoenix Middle School | Ohio | 7-8 | Suburban |
| Seneca Ridge Middle School | Virginia | 6-8 | Suburban |
| Smyrna Middle School | Tennessee | 6-8 | Suburban |
| Udall Road Middle School | New York | 6-8 | Suburban |
| Willard Middle School | Virginia | 6-8 | Suburban |
| Winston Campus Jr. High School | Illinois | 7-8 | Suburban |