| Beach Street Middle School | New York | 6-8 | Suburban |
| Belmont Ridge Middle School | Virginia | 6-8 | Suburban |
| Benjamin Tasker Middle School | Maryland | | Suburban |
| Cave Spring Middle School | Virginia | 6-8 | Suburban |
| Cloverleaf Middle School | Ohio | 6-8 | Rural |
| Corbett Preparatory School of IDS | Florida | PreK-8 | Suburban |
| Crayton Middle School | South Carolina | 6-8 | Urban |
| Dorseyville Middle School | Pennsylvania | 6-8 | Suburban |
| Gemini Middle School | Illinois | 6-8 | Suburban |
| Greenwood College School | Ontario | 7-12 | Urban |
| Gum Spring Middle School | Virginia | 6-8 | Suburban |
| JL Simpson Middle School | Virginia | 6-8 | Suburban |
| Learning Community Charter School | New Jersey | PreK-8 | Urban |
| Lunsford Middle School | Virginia | 6-8 | Suburban |
| Marshall Middle School | Pennsylvania | 6-8 | Suburban |
| Miguel Juarez Middle School | Illinois | 6-8 | Urban |
| New Hope-Solebury Middle School | Pennsylvania | 6-8 | Suburban |
| Pahoa High and Intermediate School | Hawaii | 7-12 | Rural |
| Phoenix Middle School | Ohio | 7-8 | Suburban |
| R.L. Stevenson Middle School | Hawaii | 6-8 | Urban |
| Ridgedale Middle School | New Jersey | 6-8 | Suburban |
| Ridgeview Charter Middle School | Georgia | 6-8 | Suburban |
| Seneca Ridge Middle School | Virginia | 6-8 | Suburban |
| Sheridan School | District of Columbia | K-8 | Urban |
| Smart’s Mill Middle School | Virginia | 6-8 | Suburban |
| Valley View Middle School | New Jersey | 5-8 | Suburban |
| Willard Middle School | Virginia | 6-8 | Suburban |
| Winston Campus Jr. High School | Illinois | 7-8 | Suburban |
| Woodmere Middle School | New York | 6-8 | Suburban |
| York Suburban Middle School | Pennsylvania | 6-8 | Suburban |