| Abbreviation | Definition |
|---|---|
| GJHS | Greater Johnstown High School |
| GJHS | Greenbrier Junior High School |
| GJHS | Greensburg Jr High School |
| GJHS | Greensburg Junior High School |
| GJHS | Greensburg Junior High School Greensburg Junior High School |
| GJHS | Greenspun Junior High School |
| GKHS | Genoa-Kingston High School |
| GKHS | Grace King High School |
| GKHS | Graham-Kapowsin High School |
| GLCS | Gary Lighthouse Charter School |
| GLCS | Global Learning Charter School |
| GLDS | Geraldine Lamb Dance School |
| GLES | George Long Elementary School |
| GLES | Gilbert Linkous Elementary School |
| GLHS | Gahanna Lincoln High School |
| GLHS | Gordon Lee High School |
| GLHS | Governor Livingston High School |
| GLHS | Grand Ledge High School |
| GLHS | Grass Lake High School |
| GLHS | Gull Lake High School |