| Martin County, TX (ISD) |
| Martin County, MN (ISD) |
| Martin County, IN (ISD) |
| Martin County, FL (ISD) |
| Martin County, NC (ISD) |
| Martin County, KY (Phantom) |
| Martin County Schools, KY (District) |
| Martin County Schools, NC (District) |
| Martin County West School District, MN (District) |
| Martin Luther King Jr. Charter School Of Excellence (Distric, MA (District) |
| Martin Luther King, Jr. Education Center Academy, MI (PSA) |
| Martin Public Schools, MI (District) |
| Martinez Unified, CA (District) |
| Martins Ferry City School District, OH (District) |
| Martins Mill ISD, TX (District) |
