| Abbreviation | Definition |
|---|---|
| HMS | Homewood Middle School |
| HMS | Hudson Middle School |
| HMS | Huntingdon Middle School |
| HMS | Huntington Middle School |
| HMS | Hurricane Middle School |
| HMS | Hutto Middle School |
| HMS | T. L. Handy Middle School |
| HMS | William Hubbard Middle School |
| HMSD | Hobbs Municipal School District |
| HMSG | Haberdashers' Monmouth School for Girls |
| HMSLA | Home Middle School Leadership Academy |
| HMSM | Hotel Management School Maastricht |
| HMY | Hidayathul Muslimeen Yatheemkhana |
| HNHS | Havelock North High School |
| HNHS | Holy Name High School |
| HNHS | Holy Names High School |
| HNHS | Huntington North High School |
| HNIS | Holley Navarre Intermediate School |
| HNVS | Hilongos National Vocational School |
| HOA | Home Of Achievers |