| Abbreviation | Definition |
|---|---|
| IRC | International Residential College |
| IRCC | Indian River Community College |
| IRCF | Illinois Regional College Fairs |
| IRSC | Indian River State College |
| IRSC | Indian River State College's |
| IRTC | Industrial Refrigeration Technical College |
| ISARC | Indian Student Association of Rivier College |
| ISBC | International Spa and Beauty College |
| ISDC | International Security Defense College |
| ISDC | Iswar Saran Degree College |
| ISMC | Ibn Sina Medical College |
| ITCC | International Theological Correspondence College |
| ITWC | Ivy Tech State College |
| IVC | Imperial Valley College |
| IVC | Irvine Valley College |
| IVCC | Illinois Valley Community College |
| IWC | Iowa Wesleyan College |
| JACC | Journalism Association of Community Colleges |
| JACCD | Joyce Ababio College Of Creative Design |
| JACD | Journal of the American College of Dentists |