| Abbreviation | Definition |
|---|---|
| BMS | Benicia Middle School |
| BMS | Benton Middle School |
| BMS | Berlin Mathematica School |
| BMS | Berlin Mathematical School |
| BMS | Bettendorf Middle School |
| BMS | Blacksburg Middle School |
| BMS | Bluestone Middle School |
| BMS | Bohannon Middle School |
| BMS | Bookcliff Middle School |
| BMS | Bow Memorial School |
| BMS | Brentwood Middle School |
| BMS | Brick Mason's School |
| BMSB | Baroda Manipal School of Banking |
| BMSD | Blenheim Middle School of Discovery |
| BMSD | Blue Mountain School District |
| BMSD | Briarcliff Manor School District |
| BMSL | Bilingual Montessori School of Lund |
| BMSS | Barcelona Macroeconomics Summer School |
| BMSS | Boerne Middle School South |
| BMSS | Broward Math and Science Schools |