Schools
All schools
Only schools that competed in 2026-27
| School Name | State | Teams |
|---|---|---|
| McLaurin | MS | 1 |
| McLean | MD | 2 |
| McQueen | NV | 1 |
| Medical Lake | Unknown | 1 |
| Memorial High School | TX | 1 |
| Memphis University School | TN | 1 |
| Menlo | CA | 1 |
| Mercy Academy | KY | 2 |
| Mercyhurst Preparatory School | PA | 1 |
| Merino | CO | 2 |
| Merrillville | IN | 1 |
| Merrol Hyde | TN | 2 |
| Merrol Hyde Magnet School | TN | 3 |
| Metro-East Lutheran | IL | 1 |
| Mexico | MO | 2 |
| Mexico Senior High School | MO | 2 |
| Meyzeek Middle School | KY | 3 |
| Miami Valley | OH | 2 |
| Michael Driscoll School | MA | 2 |
| Michael E. DeBakey High School for Health Professions | TX | 3 |