| Acronym | Definition |
|---|
| TRHS➣Thunderridge High School (Colorado) |
| TRHS➣Travelers Rest High School (South Carolina) |
| TRHS➣Timberlane Regional High School |
| TRHS➣Terry Reilly Health Services (Nampa, ID) |
| TRHS➣Transactions of the Royal Historical Society |
| TRHS➣Tray Ration Heating System |
| TRHS➣Tantasqua Regional High School (Sturbridge, MA) |
| TRHS➣Tweed River High School (Gold Coast, Australia) |