| Abbreviation | Definition |
|---|---|
| NMHS | North Marion High School |
| NMHS | North Mason High School |
| NMHS | North Mecklenburg High School |
| NMHS | North Medford High School |
| NMHS | North Mesquite High School |
| NMHS | North Montgomery High School |
| NMHS | North Moore High School |
| NMHS | North Murray High School |
| NMHS | Norwood Morialta High School |
| NMHSS | Nehru Memorial Higher Secondary School |
| NMLS | Norman Manley Law School |
| NMMI | New Mexico Military Institute |
| NMMS | New Mark Middle School |
| NMMS | NEW mARKET mIDDLE SCHOOL |
| NMMS | Newfound Memorial Middle School |
| NMMS | Newport Mill Middle School |
| NMMS | North Marion Middle School |
| NMMS | North Marshall Middle School |
| NMMS | North Mountain Middle School |
| NMNS | New Morning Nursery School |