Illinois Schools
- Hyde Park Academy High School
- Ic Catholic Prep
- Iit College Of Architecture
- Iit College Of Computing
- Iit Institute Of Design
- Iit Stuart School Of Business
- Itw David Speer Academy
- Ida Crown Jewish Academy
- Illiana Christian High School
- Illini Bluffs High School
- Illini West High School
- Illinois Central College
- Illinois College
- Illinois College Of Optometry
- Illinois Community College Board
- Illinois Eastern Community Colleges
- Illinois Institute Of Technology
- Illinois Lutheran High School
- Illinois Mathematics And Science Academy
- Illinois School For The Deaf
- Illinois School For The Visually Impaired
- Illinois School Of Music
- Illinois State Academy Of Science
- Illinois State University
- Illinois State University College Of Applied Science And Technology
- Illinois State University College Of Arts & Sciences
- Illinois State University College Of Business
- Illinois State University College Of Education
- Illinois State University College Of Engineering
- Illinois State University Department Of Accounting
- Illinois State University Department Of Agriculture
- Illinois State University Department Of Chemistry
- Illinois State University Department Of Communication Sciences And Disorders
- Illinois State University Department Of Criminal Justice Sciences
- Illinois State University Department Of Economics
- Illinois State University Department Of Educational Administration And Foundations
- Illinois State University Department Of English
- Illinois State University Department Of Family And Consumer Sciences
- Illinois State University Department Of Finance, Insurance, And Law
- Illinois State University Department Of Health Sciences
- Illinois State University Department Of History
- Illinois State University Department Of Languages, Literatures And Cultures
- Illinois State University Department Of Management And Quantitative Methods
- Illinois State University Department Of Marketing
- Illinois State University Department Of Mathematics
- Illinois State University Department Of Military Science
- Illinois State University Department Of Philosophy
- Illinois State University Department Of Physics
- Illinois State University Department Of Politics And Government
- Illinois State University Department Of Psychology
- Illinois State University Department Of Special Education
- Illinois State University Department Of Technology
- Illinois State University School Of Biological Sciences
- Illinois State University School Of Communication
- Illinois State University School Of Information Technology
- Illinois State University School Of Kinesiology And Recreation
- Illinois State University School Of Music
- Illinois State University School Of Social Work
- Illinois State University School Of Teaching And Learning
- Illinois State University School Of Theatre, Dance, And Film
- Illinois State University Wonsook Kim School Of Art
- Illinois Training School For Nurses
- Illinois Valley Central High School
- Illinois Valley Central Unit District 321
- Illinois Valley Community College
- Illinois Wesleyan University
- Immaculata High School
- Indian Creek Community Unit School District 425
- Indian Prairie School District 204
- Indian Springs School District 109
- Institute For Consumer Antitrust Studies
- Inter American Magnet School
- Islamic Foundation School
- J Sterling Morton High School District 201
- J Sterling Morton High School East
- J Sterling Morton High School West
- Jacksonville High School
- Jacksonville School District 117
- James B Conant High School
- Jasper County Community Unit School District 1
- Jenner Academy Of The Arts
- Jersey Community High School
- Jersey Community Unit School District 100
- Jewish People's Institute
- John A Logan College
- John F Kennedy High School
- John Hancock University
- John Hersey High School
- John Hope College Prep
- John Lothrop Motley School
- John Marshall Metropolitan High School
- John Wood Community College
- Johnsburg High School
- Johnson College Prep
- Joliet Catholic Academy
- Joliet Central High School
- Joliet Junior College
- Joliet Montessori School
- Joliet Public Schools District 86
- Joliet Township High School District 204