| University of Illinois Urbana-Champaign | Champaign | 12,575 |
| University of Chicago | Chicago | 5,629 |
| Northwestern University | Evanston | 4,948 |
| Illinois Institute of Technology | Chicago | 4,381 |
| University of Illinois Chicago | Chicago | 4,196 |
| DePaul University | Chicago | 2,386 |
| Lewis University | Romeoville | 1,386 |
| School of the Art Institute of Chicago | Chicago | 1,049 |
| Northern Illinois University | Dekalb | 1,041 |
| University of Illinois Springfield | Springfield | 1,009 |
| Western Illinois University | Macomb | 918 |
| Eastern Illinois University | Charleston | 880 |
| Southern Illinois University Edwardsville | Edwardsville | 879 |
| Southern Illinois University-Carbondale | Carbondale | 853 |
| Illinois State University | Normal | 741 |
| Governors State University | University Park | 620 |
| College of DuPage | Glen Ellyn | 596 |
| Loyola University Chicago | Chicago | 546 |
| Roosevelt University | Chicago | 519 |
| Bradley University | Peoria | 459 |
| Augustana College | Rock Island | 413 |
| Lake Forest College | Lake Forest | 326 |
| National Louis University | Chicago | 318 |
| Columbia College Chicago | Chicago | 303 |
| College of Lake County | Grayslake | 298 |
| Elmhurst University | Elmhurst | 292 |
| North Park University | Chicago | 273 |
| Midwestern Career College | Chicago | 259 |
| Moody Bible Institute | Chicago | 240 |
| Trinity International University-Illinois | Deerfield | 234 |
| Concordia University-Chicago | River Forest | 218 |
| Judson University | Elgin | 216 |
| Illinois Central College | East Peoria | 215 |
| Knox College | Galesburg | 197 |
| Chicago State University | Chicago | 185 |
| Northeastern Illinois University | Chicago | 174 |
| McKendree University | Lebanon | 167 |
| Oakton College | Des Plaines | 167 |
| Wheaton College | Wheaton | 163 |
| Taylor Business Institute | Chicago | 162 |
| City Colleges of Chicago-Harold Washington College | Chicago | 162 |
| Parkland College | Champaign | 146 |
| Principia College | Elsah | 144 |
| East-West University | Chicago | 137 |
| William Rainey Harper College | Palatine | 130 |
| Greenville University | Greenville | 123 |
| Elgin Community College | Elgin | 122 |
| Triton College | River Grove | 114 |
| Moraine Valley Community College | Palos Hills | 112 |
| DeVry University-Illinois | Lisle | 109 |
| North Central College | Naperville | 100 |
| Illinois Wesleyan University | Bloomington | 97 |
| Rockford University | Rockford | 94 |
| Millikin University | Decatur | 92 |
| Illinois College of Optometry | Chicago | 87 |
| Chamberlain University-Illinois | Addison | 87 |
| Quincy University | Quincy | 81 |
| City Colleges of Chicago-Wilbur Wright College | Chicago | 76 |
| City Colleges of Chicago-Harry S Truman College | Chicago | 74 |
| City Colleges of Chicago-Malcolm X College | Chicago | 74 |
| The Chicago School at Chicago | Chicago | 73 |
| Catholic Theological Union at Chicago | Chicago | 69 |
| Garrett-Evangelical Theological Seminary | Evanston | 60 |
| Olivet Nazarene University | Bourbonnais | 55 |
| Illinois College | Jacksonville | 54 |
| Benedictine University | Lisle | 52 |
| Heartland Community College | Normal | 50 |
| Prairie State College | Chicago Heights | 49 |
| University of St Francis | Joliet | 47 |
| Midwestern University-Downers Grove | Downers Grove | 45 |
| Southwestern Illinois College | Belleville | 43 |
| Rosalind Franklin University of Medicine and Science | North Chicago | 33 |
| Aurora University | Aurora | 33 |
| Trinity Christian College | Palos Heights | 32 |
| Lutheran School of Theology at Chicago | Chicago | 32 |
| Highland Community College | Freeport | 32 |
| St. Augustine College | Chicago | 31 |
| Toyota Technological Institute at Chicago | Chicago | 30 |
| Lake Land College | Mattoon | 29 |
| Rush University | Chicago | 27 |
| Kankakee Community College | Kankakee | 26 |
| Black Hawk College | Moline | 25 |
| Pacific College of Health and Science | Chicago | 23 |
| McHenry County College | Crystal Lake | 23 |
| Adler University | Chicago | 20 |
| Dominican University | River Forest | 18 |
| City Colleges of Chicago-Richard J Daley College | Chicago | 18 |
| McCormick Theological Seminary | Chicago | 16 |
| Rock Valley College | Rockford | 14 |
| City Colleges of Chicago-Kennedy-King College | Chicago | 13 |
| VanderCook College of Music | Chicago | 10 |
| Monmouth College | Monmouth | 8 |
| University of Saint Mary of the Lake | Mundelein | 8 |
| City Colleges of Chicago-Olive-Harvey College | Chicago | 8 |
| Kishwaukee College | Malta | 8 |
| Joliet Junior College | Joliet | 7 |
| Erikson Institute | Chicago | 7 |
| National University of Health Sciences | Lombard | 7 |
| Lake Forest Graduate School of Management | Lake Forest | 7 |
| Lincoln Christian University | Lincoln | 5 |
| Estelle Skin Care and Spa Institute | Skokie | 5 |
| Southeastern Illinois College | Harrisburg | 4 |
| Chicago Theological Seminary | Chicago | 3 |
| Blackburn College | Carlinville | 1 |
| Saint Xavier University | Chicago | 0 |
| Estelle Medical Academy | Skokie | 0 |
| Northern Baptist Theological Seminary | Lisle | 0 |