| Abbreviation | Definition |
|---|---|
| IR | Institutional Research |
| IRA | International Reading Association |
| IRAHE | Independent Regulatory Authority for Higher Education |
| IRB | Independent Reading Book |
| IRC | I Repeat Class |
| IRCEP | International Registry for Counsellor Education Programs |
| IRCEP | International Registry of Counsellor Education Programmes |
| IRCEP | International Registry of Counsellor Education Programs |
| IRCEP | International Registry of Counselor Education Programs |
| IRE | Islamic Religious Education |
| IREA | Indian River Education Association |
| IREAD | Institute for Rural Education And Development |
| IREC | Idling Reduction Education Campaign |
| IRED | Institute for Research Education and Dialogue |
| IREE | International Review of Economics Education |
| IREF | India Relief and Education Fund |
| IREF | Indianapolis Reentry and Educational Facility |
| IREF | Indianapolis Reentry Educational Facility |
| IREF | Islamic Research and Educational Foundation |
| IREI | Island Research and Education Initiative |