| Acronym | Definition |
|---|
| PRHS | Paso Robles High School (California) |
| PRHS | Pine Ridge High School (Pine Ridge, South Dakota) |
| PRHS | Palmetto Ridge High School (Naples, FL) |
| PRHS | Pearl River High School |
| PRHS | Peachtree Ridge High School |
| PRHS | Pentucket Regional High School (West Newbury, MA) |
| PRHS | Plymouth Regional High School |
| PRHS | Port Richmond High School (Staten Island, NY) |
| PRHS | Pine-Richland High School (Gibsonia, PA) |
| PRHS | Pinelands Regional High School (Tuckerton, NJ) |
| PRHS | Pine River High School |
| PRHS | Palawan Resort Hotel Systems, Inc. (Philippines) |
| PRHS | Peter Rabbit Home School (New Mexico) |
| PRHS | Point Reyes Headland South (California) |