| Abbreviation | Definition |
|---|---|
| NSEA | Nevada State Education Association |
| NSEA | North Syracuse Education Association |
| NSEB | National Security Education Board |
| NSEC | National Safety Education Center |
| NSEC | National Security Education Center |
| NSEC | National Sequestration Education Center |
| NSEC | Network of STEM Education Centers |
| NSED | National Security Education Day |
| NSED | National Strategy for Education Development |
| NSED | National Strategy for the Education Development |
| NSEE | Nanoscale Science and Engineering Education |
| NSEE | National Society For Experiential Education |
| NSEE | National Summit for Educational Equity |
| NSEF | Norwalk Student Education Foundation |
| NSEP | National Security Education Program |
| NSEP | Nuclear Safeguards Education Portal |
| NSERE | National Strategy for Educational Research and Enquiry |
| NSES | National Science Education Standards |
| NSFAS | National Student Financial Aid Scheme (South African) |
| NSFE | National Strategy on Financial Education |