| Abbreviation | Definition |
|---|---|
| BSM | Beginning School Mathematics |
| BSME | British Schools In The Middle East |
| BSMI | Bournemouth School of Marketing International |
| BSML | Boston School of Modern Language |
| BSML | Boston School of Modern Languages |
| BSMM | British School of Manual Medicine |
| BSMS | Ballston Spa Middle School |
| BSMS | Bay Springs Middle School |
| BSMS | Belvidere South Middle School |
| BSMS | Berlin School of Movement Science |
| BSMS | Boiling Springs Middle School |
| BSMS | Brighton and Sussex Medical School |
| BSMS | Brown Summit Middle School |
| BSMS | Browning Springs Middle School |
| BSMS | Bryan Station Middle School |
| BSMS | Butner Stem Middle School |
| BSN | British School of Nanjing |
| BSNM | Byumba School of Nursing and Midwifery |
| BSOA | British Schools Orienteering Association |
| BSOB | Basel School of Business |