Schools
All schools
Only schools that competed in 2026-27
| School Name | State | Teams |
|---|---|---|
| Michigan City | IN | 1 |
| Midd-West | PA | 2 |
| Middlesex Middle | NJ | 1 |
| Middleton | WI | 1 |
| Midland Valley | SC | 1 |
| Midtown | Unknown | 1 |
| Millburn | NJ | 1 |
| Millennium Brooklyn | NY | 1 |
| Milpitas | Unknown | 1 |
| Milton Academy | MA | 1 |
| Mineral Ridge | OH | 1 |
| Minnetonka | MN | 5 |
| Minooka Community High School | IL | 2 |
| Mio Au-Sable | MI | 1 |
| Mio-Au Sable | MI | 1 |
| Mira Loma | CA | 1 |
| Mission Bay | CA | 1 |
| Mission San Jose High School | CA | 2 |
| Mississinewa | IN | 1 |
| Mississippi School for Mathematics and Science | MS | 2 |