| Abbreviation | Definition |
|---|---|
| GSIC | Georgia School for Innovation and the Classics |
| GSIR | Graduate School of International Relations |
| GSIS | General Santos Ilementary School |
| GSIS | German Swiss International School |
| GSIS | Good Shepherd International School |
| GSIS | Good Shepherd International School, |
| GSIS | Graduate School of Information Sciences |
| GSIS | Graduate School of International Studies |
| GSIS | Gyeonggi Suwon International School |
| GSIT | Graduate School of Interpretation and Translation |
| GSLA | Global Schools Leadership Alliance |
| GSMB | Graduate School of Management in Barcelona |
| GSMD | Guildhall School of Music and Drama |
| GSME | Gutenberg School of Management and Economics |
| GSMR | Graduate School of Materials Research |
| GSMS | Garden Spot Middle School |
| GSMS | Glade Spring Middle School |
| GSMS | Glenwood Springs Middle School |
| GSMS | Good Shepherd Montessori School |
| GSMS | Graduate School Molecular Science |