STHS
| Acronym | Definition |
|---|---|
| STHS | St.Thomas High School |
| STHS | Sydney Technical High School (Sydney, Australia) |
| STHS | Santa Teresa High School (San Jose, CA) |
| STHS | Springfield Township High School (Erdenheim, PA) |
| STHS | Susquehanna Township High School |
| STHS | Sussex Tech High School (Georgetown, Delaware) |