| Abbreviation | Definition |
|---|---|
| HBHS | Huntington Beach High School |
| HBMS | Handsome Boy Modeling School |
| HBMS | Hannah Beardsley Middle School |
| HBMS | Hawthorne Brook Middle School |
| HBMS | Hodges Bend Middle School |
| HBMS | Hodges Bendmiddle School |
| HBMS | Hokes Bluff Middle School |
| HBMS | Holcomb Bridge Middle School |
| HBMS | Hollis Brookline Middle School |
| HBMS | Howard Bishop Middle School |
| HBMS | Hudson Bend Middle School |
| HBO | Howard B. Owens Science Center, Lanham, Maryland |
| HBS | Harvard Business School Harvard Business School |
| HBSAAA | Harvard Business School African-American Alumni (Massachusetts) |
| HC | Holy Cross |
| HCCS | Hellenic Classical Charter School |
| HCDS | Harbor Country Day School |
| HCDSB | Halton Catholic District School Board |
| HCE | Hunters Creek Elementary School |
| HCHS | Habersham Central High School |