Found 8 full forms for SGMS
| Term | Full Form | Category |
|---|---|---|
| SGMS | San Gorgonio Middle School 
| Others |
| SGMS | Shady Grove Middle School
| Others |
| SGMS | Sidney Gutierrez Middle School
| Others |
| SGMS | Sleeping Giant Middle School
| Others |
| SGMS | Snelson Golden Middle School
| Others |
| SGMS | South Gate Middle School
| Others |
| SGMS | St George Middle School
| Others |
| SGMS | Storm Grove Middle School
| Others |