| Acronym | Definition |
|---|
| RLHS➣Red Land High School (Lewisberry, PA) |
| RLHS➣Railway & Locomotive Historical Society |
| RLHS➣Rio Linda High School |
| RLHS➣Rice Lake High School (Wisconsin) |
| RLHS➣Residence Life and Housing Services (Duke University) |
| RLHS➣Red Lake High School (Minnesota) |
| RLHS➣Round Lake High School |
| RLHS➣Racine Lutheran High School (Wisconsin) |
| RLHS➣Red Lodge High School (Montana) |
| RLHS➣Red Lion High School (Pennsylvania) |
| RLHS➣Random Lake High School (Wisconsin) |
| RLHS➣Robert L. Horbelt School |
| RLHS➣relative left hand superiority (coefficient; braille reading) |