High School Boys Basketball Teams
- Addison Trail High School
- Adlai E. Stevenson High School
- Antioch Community High School
- Aurora Christian High School
- Barrington High School
- Bartlett High School
- Batavia High School
- Benet Academy
- Bishop McNamara Catholic High School
- Buffalo Grove High School
- Burlington-Central High School
- Carmel Catholic High School
- Cary-Grove High School
- Chicago Christian High School
- Chicago Hope Academy
- Christian Liberty Academy
- Coal City High School
- Crystal Lake Central High School
- Crystal Lake South High School
- DeKalb High School
- Deerfield High School
- Downers Grove North High School
- Downers Grove South High School
- Dundee-Crown High School
- Dwight Township High School
- East Aurora High School
- East Leyden High School
- Elgin High School
- Elk Grove High School
- Elmwood Park High School
- Evanston Township High School
- Fenton High School
- Fenwick High School
- Geneva High School
- Glenbard East High School
- Glenbard North High School
- Glenbard South High School
- Glenbard West High School
- Glenbrook North High School
- Glenbrook South High School
- Grant Community High School
- Grayslake Central High School
- Grayslake North High School
- Hampshire High School
- Harry D. Jacobs High School
- Herscher High School
- Highland Park High School
- Hinsdale Central High School
- Hinsdale South High School
- Hoffman Estates High School
- Huntley High School
- IC Catholic Prep
- James B. Conant High School
- John Hersey High School
- Joliet Catholic Academy
- Kaneland High School
- LaSalle-Peru High School
- Lake Forest High School
- Lake Park High School
- Lake Zurich High School
- Lakes Community High School
- Larkin High School
- Libertyville High School
- Lisle High School
- Lyons Township High School
- Maine East High School
- Maine South High School
- Maine West High School
- Manteno High School
- Marian Central Catholic High School
- Marist High School
- Marmion Academy
- Marquette Academy
- McHenry East High School
- McHenry West High School
- Metea Valley High School
- Minooka High School
- Montini Catholic High School
- Morris Community High School
- Morton High School
- Mundelein High School
- Naperville Central High School
- Naperville North High School
- Nazareth Academy
- Neuqua Valley High School
- New Trier High School
- Niles North High School
- Niles West High School
- North Chicago Community High School
- Notre Dame High School for Boys
- Oak Park and River Forest High School
- Oswego East High School
- Oswego High School
- Ottawa Township High School
- Palatine High School
- Peotone High School
- Plainfield North High School
- Prairie Ridge High School
- Prospect High School
- Providence Catholic High School
- Proviso East High School
- Proviso West High School
- Reed-Custer High School
- Ridgewood High School
- Rolling Meadows High School
- Round Lake High School
- Schaumburg High School
- South Elgin High School
- St. Bede Academy
- St. Charles East High School
- St. Charles North High School
- St. Edward High School
- St. Francis High School
- St. Ignatius College Prep
- St. Laurence High School
- St. Patrick High School
- St. Viator High School
- Streamwood High School
- Streator Township High School
- Sycamore High School
- Vernon Hills High School
- Walther Christian Academy
- Warren Township High School
- Waubonsie Valley High School
- Wauconda High School
- Waukegan High School
- West Aurora High School
- West Chicago Community High School
- West Leyden High School
- Westmont High School
- Wheaton Academy
- Wheaton North High School
- Wheaton Warrenville South High School
- Wheeling High School
- William Fremd High School
- Willowbrook High School
- Wilmington High School
- Woodstock High School
- Woodstock North High School
- York Community High School
- Yorkville High School
- Zion-Benton Township High School