| Abbreviation | Definition |
|---|---|
| IG | Idea Generator |
| IG | Identity Group |
| IG | Intelligence Group |
| IGA | International Gateway Academy |
| iGCSEs | International GCSEs |
| IGE | Individually Guided Education |
| IGE | Innovations in Graduate Education |
| IGE | Interdisciplinary General Education |
| IGE | Iowa Grade Equivalent |
| IGEC | International Group For Educational Consultants |
| IGEC | International Group Of Educational Consultants |
| IGEC | Iowa Geriatric Education Center |
| IGERT | Integrative Graduate Education and Research Traineeship |
| IGERT | Integrative Graduate Education and Research Training |
| IGERT | Integrative Graduate Education Research and Traineeship |
| IGERT | Integrative Graduation Education and Research Traineeship |
| IGERT | Interdisciplinary Graduate Education and Research Training |
| IGGS | Ipswich Girls' Grammar School |
| IGGY | International Gateway for Gifted Youth |
| IGLE | Interdisciplinary Global Learning and Engagement |