| Abbreviation | Definition |
|---|---|
| HCHS | Holy Cross High School |
| HCHS | Houghton Central High School |
| HCHS | Houston County High School |
| HCHS | Hsin Chuang High School |
| HCHS | Humphreys County High School |
| HCHS | Hunter College High School |
| HCI | Hwa Chong Institution |
| HCIS | Harbor City International School |
| HCIS | Holt Crossing Intermediate School |
| HCIS | Hwa Chong International School |
| HCMS | Hampton Cove Middle School |
| HCMS | Hancock County Middle School |
| HCMS | Hans Christensen Middle School |
| HCMS | Harrison County Middle School |
| HCMS | Hart County Middle School |
| HCMS | Haverhill Cooperative Middle School |
| HCMS | Henry County Middle School |
| HCMS | Hill Country Middle School |
| HCMS | Hungary Creek Middle School |
| HCPS | Halifax County Public Schools |