| Abbreviation | Definition |
|---|---|
| HISHK | Harrow International School Hong Kong |
| HISS | Hanyang International Summer School |
| HITS | Haylee Ireland Technical School |
| HIVE | Homeschoolers Inspiring Vibrant Experiences |
| HJH | Healdsburg Junior High |
| HJH | Henderson Junior High |
| HJH | Hesperia Jr High |
| HJH | Hillcrest Jr High |
| HJH | Holt Junior High |
| HJH | Hopkins Junior High |
| HJH | Hunter Junior High |
| HJHS | Hayes Junior High School |
| HJHS | Herrin Junior High School |
| HJHS | Highland Junior High School |
| HJHS | Hillsboro Junior High School |
| HJHS | Hillsboro Junior High School (various locations) |
| HJHS | Hiram Johnson High School |
| HJHS | Hiram Johnson High School (Sacramento, CA) |
| HJHS | Holbrook Junior High School |
| HJHS | Hollis/Brookline Junior High School (Hollis, NH) |