| Abbreviation | Definition |
|---|---|
| GRE | Graduate Record Examination |
| GREAT | Games, Recreation, Education, And Technology |
| GREAT | Gulf Region Educational Advantages For Teachers |
| GRECC | Geriatrics Research Education and Clinical Center |
| GREEN | Global Rivers Environmental Education Network |
| GREET | Group To Renew And Enhance Effective Teaching |
| GREL | Geospatial Research and Education Lab |
| GREL | Getting Ready for E Learning |
| GREMM | Group for Research and Education on Marine Mammals |
| GRETB | Galway and Roscommon Education and Training Board |
| GRETB | Galway Roscommon Education and Training Board |
| GRETB | Galway Roscommon Education Training Board |
| GRIEF | Gambling Research Information Education Foundation |
| GRIP | Growth, Relationship, Inspiration, and Partnership |
| GRLC | Grand Rapids Learning Center |
| GROW | Geography Review Of the World |
| GRP | Guided Reading Practice |
| GRT | Gardenfors Ramsey Test |
| GRTR | Get Ready to Read |
| GRY | Green Red And Yellow |