| Abbreviation | Definition |
|---|---|
| MAMS | Max Abbott Middle School |
| MAMS | Medford Area Middle School |
| MAMS | Merrick Avenue Middle School |
| MAMS | Mt Airy Middle School |
| MAMS | Mt Ararat Middle School |
| MAPS | Missionary Airframe and Powerplant School |
| MASA | Maharashtra Association of School of Architecture |
| MASC | Michigan Association of Student Councils |
| MASD | Mercer Area School District |
| MASD | Meyersdale Area School District |
| MASD | Milton Area School District |
| MASD | Montrose Area School District |
| MASD | Moon Area School District |
| MASD | Mukwonago Area School District |
| MASH | Med Assist School of Hawaii |
| MASH | Mothers Against School Hazing |
| MASH | Mount Airy Senior High School |
| MASH | Municipal Academic Schools and Hospitals |
| MASHA | Multiethnic Afghan Schools and Humanitarian Assistance |
| MASL | Master of Arts in School Leadership |