| Abbreviation | Definition |
|---|---|
| MSDE | Maryland State Department Of Education |
| MSDE | Master of Science in Deaf Education |
| MSDEC | Medford School District Education Center |
| MSE | Master in Science in Education |
| MSE | Microelectronic Systems Education |
| MSEA | Maryland State Education Association |
| MSEA | Matanuska Susitna Education Association |
| MSEdu | Master of Science in Education |
| MSEF | Mahomet Seymour Education Foundation |
| MSEF | Manitou Springs Education Foundation |
| MSEF | Medford Ski Education Foundation |
| MSEF | Motorsports Safety Education Foundation |
| MSEF | Mount Sneffels Education Foundation |
| MSEL | Mullen Scales of Early Learning |
| MSEN | Math Science Education Network |
| MSEN | MetroWest STEM Education Network |
| MSEP | Marine Science and Education Partnership |
| MSEP | Maternity Services Education Program |
| MSES | Ministry of Science Education and Sports |
| MSET | Maryland Society for Educational Technology |