| Acronym | Definition |
|---|
| GMHS➣Global Message Handling Service |
| GMHS➣Geriatric Mental Health Specialist |
| GMHS➣Green Mountain High School (Lakewood, Colorado) |
| GMHS➣Granby Memorial High School (Granby, CT) |
| GMHS➣Georgetown Middle High School (Georgetown, MA) |
| GMHS➣Garces Memorial High School (Bakersfield, California) |
| GMHS➣George McDougall High School (Alberta, Canada) |
| GMHS➣Government Model High School (Chandigarh, India) |