| Merced County Office of Education, CA (District) |
| Merced County ROP, CA (District) |
| Merced ESA, CA (ISD) |
| Merced River Union Elementary, CA (District) |
| Merced Union High, CA (District) |
| Mercedes ISD, TX (District) |
| Mercer Area SD, PA (District) |
| Mercer County, IL (ISD) |
| Mercer County, PA (ISD) |
| Mercer County, MO (ISD) |
| Mercer County, KY (Phantom) |
| Mercer County, ND (ISD) |
| Mercer County, WV (ISD) |
| Mercer County Career Center, PA (District) |
| Mercer County Educational Service Center, OH (ISD) |
