| Abbreviation | Definition |
|---|---|
| GSMS | Graduate School of Management Studies |
| GSMS | Grand Saline Middle School |
| GSMS | Gray Station Middle School |
| GSMS | Greensburg Salem Middle School |
| GSMS | Gulf Shores Middle School |
| GSMST | Gwinnett School of Math, Science, and Tech. |
| GSMST | Gwinnett School of Mathematics Science and Technology |
| GSN | Generator School Network |
| GSN | Global School Network |
| GSN | Graduate School Newark |
| GSO | Georgia School of Orthodontics |
| GSOA | Gaston School Of the Arts |
| GSOG | Garstang School Of Gymnastics |
| GSOI | Gabiro School Of Infantry |
| GSOI | Global School Of IELTS |
| GSOM | Graduate School of Ministry |
| GSON | Green Schools Outreach Network |
| GSOP | Gregory School of Pharmacy |
| GSOS | Gujarat State Open School |
| GSPD | Global School Play Day |