| Abbreviation | Definition |
|---|---|
| MIFS | Moscow International Film School |
| MIGS | Mutiara International Grammar School |
| MIHS | Manhattan International High School |
| MIHS | Marshall Islands High School |
| MIHS | Mercer Island High School |
| MIMS | Menominee Indian Middle School |
| MIMS | Minnesota International Middle School |
| MIMS | MN International Middle School |
| MIOLS | Madinaty Integrated Outstanding Language School |
| MIPS | Mansehra International Public School |
| MIPS | Muhammadia Idreesia Public School |
| MIS | Makuhari International School |
| MIS | Marion Intermediate School |
| MIS | McCulloch Intermediate School |
| MIS | Miraleste Intermediate School |
| MISA | Madeline Island School of Arts |
| MISA | Madeline Island School of the Arts |
| MISA | Massage in Schools Association |
| MISD | Macomb Intermediate School District |
| MISD | Magnolia Independent School District |