| Abbreviation | Definition |
|---|---|
| NAAB | Neil Armstrong Academic Booster |
| NACS | North American Consulting School |
| NACS | Northwest Allen County Schools |
| NAES | Neil Armstrong Elementary School |
| NAHETS | National Association of Heavy Equipment Training Schools |
| NAHS | Nazareth Academy High School |
| NAHS | Nazareth Area High School |
| NAHS | New Albany High School |
| NAHS | New American High Schools |
| NAHS | North Adams High School |
| NAHS | North Andover High School |
| NAHS | North Arlington High School |
| NAHS | North Atlanta High School |
| NAHS | North Attleborough High School |
| NAHS | North Augusta High School |
| NAHS | Northside Alternative High School |
| NAHS | Nurnberg American High School |
| NAICPS | National Acadmy Inter College Primary School |
| NAIS | Nord Anglia International School |
| NALS | National Adventure and Leadership School |