| Abbreviation | Definition |
|---|---|
| GCSS | Government Comprehensive Secondary School |
| GD | Graduation Day |
| GDCS | Golden Door Charter School |
| GDCS | Greater Dayton Chinese School |
| GDHS | Georgetown District High School |
| GDHS | Glengarry District High School |
| GDRS | Groton-Dunstable Regional School |
| GDS | Georgetown Day School |
| GDS | Greatest Damn School |
| GDS | Greensboro Day School |
| GDSP | Growing Devon Schools Partnership |
| GDST | Girls' Day School Trust |
| GECS | Golden Eagle Charter School |
| GEGS | Good Earth Garden School |
| GEHS | Gardner Edgerton High School |
| GEHS | Glenbard East High School |
| GEHS | Greenbrier East High School |
| GENIUS | Gender Equality National Index for Universities Schools |
| GEPS | Glen Eden Primary School |
| GES | Gardnerville Elementary School |