| Acronym | Definition |
|---|
| PHMS | Pine Hollow Middle School (Raleigh, NC) |
| PHMS | Patrick Henry Middle School |
| PHMS | Pan Head Machine Screw |
| PHMS | Pleasant Hills Middle School (Pennsylvania, USA) |
| PHMS | Perry Hall Middle School (Baltimore, MD) |
| PHMS | Pulaski Heights Middle School (Little Rock, AR) |
| PHMS | Pig Health Monitoring Scheme |
| PHMS | Palm Harbor Middle School (Palm Harbor, Florida) |
| PHMS | Pilot Helmet Sight System |
| PHMS | Pioneer Heritage Middle School (Frisco, TX) |
| PHMS | Pig Health Monitoring Services |
| PHMS | Paul Hadley Middle School (Mooresville, IN) |
| PHMS | Public Mental Health System (Maryland) |