| Mundelein ESD 75, IL (District) |
| Munich 19, ND (District) |
| Munising Public Schools, MI (District) |
| Mupu Elementary, CA (District) |
| Murchison ISD, TX (District) |
| Murfreesboro, TN (District) |
| Muroc Joint Unified, CA (District) |
| Murphy Elementary District, AZ (District) |
| Murphysboro CUSD 186, IL (District) |
| Murray Comm School District, IA (District) |
| Murray County, OK (ISD) |
| Murray County, MN (ISD) |
| Murray County, GA (ISD) |
| Murray County, GA (District) |
| Murray County Central School Dist., MN (District) |
