| Abbreviation | Definition |
|---|---|
| HCHS | Haines City High School |
| HCHS | Halifax County High School |
| HCHS | Hamilton County High School |
| HCHS | Han Chiang High School |
| HCHS | Hanley Castle High School |
| HCHS | Haralson County High School |
| HCHS | Harlan County High School |
| HCHS | Harnett Central High School |
| HCHS | Harrison Central High School |
| HCHS | Harry Collinge High School |
| HCHS | Hart County High School |
| HCHS | Health Careers High School |
| HCHS | Helix Charter High School |
| HCHS | Henderson City High School |
| HCHS | Henderson County High School |
| HCHS | Henry Clay High School |
| HCHS | Henry County High School |
| HCHS | Hillwood Comprehensive High School |
| HCHS | Hinsdale Central High School |
| HCHS | Holmes County High School |