All 64 participating teams in the 2018 State Farm Holiday Classic are listed below in alphabetical order in their corresponding bracket. Team Profiles will be available starting in November. (Updated on 6/20/18)
Small School Boys
- Annawan
- Aurora Christian
- Bloomington Central Catholic
- Champaign St. Thomas More
- Chicago Providence St. Mel
- Downs Tri-Valley
- El Paso-Gridley
- Kankakee Bishop McNamara
- Minonk Fieldcrest
- Peoria Christian
- Quincy Notre Dame
- Rock Falls
- Rockford Lutheran
- St. Joseph-Ogden
- Stanford Olympia
- Winnebago
Large School Boys
- Chicago Kenwood
- Chicago North Lawndale
- Joliet Central
- Machesney Park Harlem
- Mahomet-Seymour
- Metamora
- Normal Community
- Normal U-High
- North Chicago
- Peoria
- Plainfield South
- Rock Island
- South Holland Thornwood
- Springfield
- Wheaton Warrenville South
- Zion-Benton
Small School Girls
- Annawan
- Bloomington Central Catholic
- Brimfield
- Camp Pt. Central/Augusta Southeastern
- Champaign St. Thomas More
- El Paso-Gridley
- Elmhurst IC Catholic
- Fithian Oakwood
- Kankakee Bishop McNamara
- Peoria Christian
- Rochester
- Rock Falls
- Rock Island Alleman
- Rockford Lutheran
- St. Joseph-Ogden
- Sherrard
Large School Girls
- Bethalto Civic Memorial
- Bloomington
- Canton
- Chicago Kenwood
- Chicago Saint Ignatius
- Chicago Simeon
- Geneseo
- Morton
- Normal Community
- Normal U-High
- Normal West
- Peoria Richwoods
- Rock Island
- Springfield
- Union (KY) Ryle
- Wheaton Warrenville South
