| Acronym | Definition |
|---|
| RMHS➣Remote Message Handling Service |
| RMHS➣Rocky Mountain High School (Fort Collins, CO) |
| RMHS➣Richard Montgomery High School (Rockville, Maryland) |
| RMHS➣Rolling Meadows High School (Illinois) |
| RMHS➣Reading Memorial High School (Massachusetts) |
| RMHS➣Red Mountain High School (Arizona) |
| RMHS➣Rocky Mount High School (Rocky Mount, NC) |
| RMHS➣Roy Miller High School (Corpus Christi, TX) |
| RMHS➣Rio Mesa High School (Oxnard, CA) |
| RMHS➣Rocky Mountain Highland Supply |
| RMHS➣Railway Mixed High School (India) |
| RMHS➣Remote Magnetic Heading System |