| Mission Cisd, TX (District) |
| Mission Trails ROP, CA (District) |
| Mission Union Elementary, CA (District) |
| Mission Valley, (District) |
| Mission Valley ROC/P, CA (District) |
| Mission Valley School District, KS (District) |
| Mississinawa Valley Local School District, OH (District) |
| Mississinewa Community School Corp, IN (District) |
| Mississippi Bend Aea, IA (District) |
| Mississippi County, MO (ISD) |
| Mississippi County, AR (ISD) |
| Mississippi Department of Education, MS (State) |
| Mississippi State Hospital, MS (District) |
| Missoula, MT (District) |
| Missoula Area Education Coop, MT (District) |
