- IB see International Baccalaureate
- IBO see International Baccalaureate
- ice cream truck see Bucks Ice Cream
- Illumination
- in state see Missouri Resident
- independent student
- independent study
- Information Security & Access Management see Infosec
- Infosec
- instructor see adjunct faculty
- instructor see faculty
- International Baccalaureate
- International Baccalaureate see core grade point average
- International Baccalaureate Organization see International Baccalaureate
- international student
- internship