| Abbreviation | Definition |
|---|---|
| NSD | Northshore School District |
| NSDAP | New School of Design Art and Performance |
| NSDS | Newport Station District School |
| NSDS | North Shore Driving School |
| NSDS | North Sydney Demonstration School |
| NSECD | Nonpublic School Early Childhood Development |
| NSECD | Nonpublic Schools Early Childhood Development |
| NSED | Non School Enrichment Days |
| NSEOD | Navy School Explosive Ordnance Disposal |
| NSFD | Newark School of Fashion Design |
| NSFS | National School Fruit Scheme |
| NSFS | Not Safe for School |
| NSFS | Nova Scotia Firefighter School |
| NSFS | Nova Scotia Firefighters School |
| NSFW | National Schools Film Week |
| NSG | Northampton School for Girls |
| NSGE | National School Of Goverment Exam |
| NSGE | National School Of Government Exams |
| NSGI | National School of Government International |
| NSHA | Naturopathic School of the Healing Arts |