- Idaho State University
- Illinois College
- Illinois Institute of Technology
- Illinois State University
- Illinois Wesleyan University
- Immaculata University
- Indiana Institute of Technology
- Indiana State University
- Indiana University Bloomington
- Indiana University East
- Indiana University Kokomo
- Indiana University Northwest
- Indiana University of Pennsylvania
- Indiana University South Bend
- Indiana University Southeast
- Indiana University System
- Indiana University-Purdue University Fort Wayne
- Indiana University-Purdue University Indianapolis
- Indiana Wesleyan University
- Inter American University of Puerto Rico/Aguadilla Campus
- Inter American University of Puerto Rico/Arecibo Campus
- Inter American University of Puerto Rico/Barranquitas Regional College
- Inter American University of Puerto Rico/Bayamon University College
- Inter American University of Puerto Rico/Fajardo Campus
- Inter American University of Puerto Rico/Metropolitan Campus
- Inter American University of Puerto Rico/Ponce Regional College
- Inter American University of Puerto Rico/San Germán
- Inter-American University of Puerto Rico System
- International College
- Iona College
