| Abbreviation | Definition |
|---|---|
| BLS | Brooklyn Law School |
| BLSD | Barton Lexa School District |
| BLSD | Bear Lake School District |
| BLSD | Border Land School Division |
| BLSD | Buckeye Local School District |
| BLSPS | Brighton Le Sands Public School |
| BM | Brown Middle |
| BMCS | Bishop McNamara Catholic School |
| BMCS | Bucks and Montgomery County Schools |
| BMDS | Bartolome Mitre Day School |
| BMES | Bishop Michael Eldon School |
| BMES | Blue Mountain Elementary School |
| BMFS | Brixham Montessori Friends School |
| BMHS | Barrington Municipal High School |
| BMHS | Bell Multicultural High School |
| BMHS | Benbrook Middle-High School |
| BMHS | Bernice MacNaughton High School |
| BMHS | Bishop Martin High School |
| BMHS | Bishop McCort High School |
| BMHS | Bishop McNamara High School |