| Merrill Area School District, WI (District) |
| Merrill Community Schools, MI (District) |
| Merrillville Community School, IN (District) |
| Merrimack County, NH (ISD) |
| Merrimack Sau Office, NH (District) |
| Merrimack School District, NH (District) |
| Merrimack Valley Sau Office, NH (District) |
| Merrimack Valley School District, NH (District) |
| Merritt, OK (District) |
| Merritt Academy, MI (PSA) |
| Merton Community School District, WI (District) |
| Mesa 51 Grand Junction, CO (District) |
| Mesa County, CO (ISD) |
| Mesa County Valley 51, CO (District) |
| Mesa Preparatory Academy Inc., AZ (District) |