| Acronym | Definition |
|---|
| RCHS➣Roman Catholic High School (various locations) |
| RCHS➣Rock Canyon High School (Castle Rock, CO) |
| RCHS➣Raleigh Charter High School (North Carolina) |
| RCHS➣Randolph County Humane Society (Elkins, WV) |
| RCHS➣Robbinsdale Cooper High School (Minnesota) |
| RCHS➣Rancho Cucamonga High School (Califirnia) |
| RCHS➣Richmond County Historical Society (North Carolina) |
| RCHS➣Roane County High School (Kingston, TN and Spencer, WV) |
| RCHS➣Rushville Consolidated High School (Rushville, Indiana, USA) |
| RCHS➣Rockbridge County High School (Maryland) |
| RCHS➣Roseau County Historical Society (Roseau, MN) |
| RCHS➣Richland Center High School (Richland Center, WI) |
| RCHS➣Richland Collegiate High School (Dallas, TX) |
| RCHS➣Richmond Community High School (Richmond, Virginia) |
| RCHS➣Reproductive and Child Health Services Programme (Tanzania) |