| illinois.gov | Illinois Teachers Retirement System (TRS) |
| ilache.com | Illinois Latino Council on Higher Education (ILACHE) |
| k12.il.us | Illinois Coalition for Educating At-Risk Youth (ICEARY) |
| isfsa.net | The Illinois School Nutrition Association |
| ilmea.org | Illinois Music Educators Association |
| iesa.org | Illinois Elementary School Association |
| ieanea.org | Illinois Education Association |
| iasbo.org | Illinois Association of School Business Officials |
| iasaedu.org | Illinois Association of School Administrators |
| heartland.org | Heartland Institute |
United States , California , Palo Alto