| Abbreviation | Definition |
|---|---|
| NMP | Northside Methodist Preschool |
| NMPS | New Milford Public Schools |
| NMPS | North Muskegon Public Schools |
| NMRHS | North Middlesex Regional High School |
| NMRHS | North Middlesex Regional School District |
| NMS | Natomas Middle School |
| NMS | Neighborhood Music School |
| NMS | Newport Middle School |
| NMS | Newtown Middle School |
| NMS | Noble Middle School |
| NMS | North Middle School |
| NMS | Northbrook Middle School |
| NMS | Northdale Middle School |
| NMS | Northridge Middle School |
| NMS | Northside Middle School |
| NMS | Northstar Middle School |
| NMS | Northwestern Middle School |
| NMSA | New Mexico School for the Arts |
| NMSP | New Middle School Pathway |
| NMSY | New Mexico School of Yoga |