| Abbreviation | Definition |
|---|---|
| IDEA | Idaho Distance Education Academy |
| IDLA | Idaho Digital Learning Academy |
| IDMS | Instructional Data Management System |
| IDMS | Ireland Drive Middle School |
| IDS | Independent Day School |
| IEC | Intensive English Center |
| IECE | Interdisciplinary Early Childhood Education |
| IESA | Illinois Elementary School Association |
| IESD | Interactive Educational Systems Design |
| IESL | Internationella Engelska Skolan Linkoping |
| IESS | International Entrepreneurship Summer School |
| IFBS | IMM FOSTIIMA Business School |
| IFSS | Islamic Foundation Sunday School |
| IGBS | ISDC Global Business School |
| IGSB | International Graduate School of Business |
| IGSN | International Graduate School of Neuroscience |
| IGSS | IAAC Global Summer School |
| IGSS | Integrated Global Studies School |
| IGSS | International Graduate Summer School |
| IHDS | International Human Design School |