*Teams are arranged alphabetically. Teams in RED are new to the tournament.
Class 1A-2A (Small School) Boys
- Bloomington Central Catholic
- Champaign St. Thomas More
- Chicago Providence St. Mel
- Cissna Park CPCI
- Downs Tri-Valley
- El Paso-Gridley
- Fairbury Prairie Central
- Macon-Meridian
- Minonk Fieldcrest
- Peoria Christian
- Quincy Notre Dame
- Rock Falls
- Rock Island Alleman
- St. Joseph-Ogden
- Stanford Olympia
- To be announced
Class 3A-4A (Large School) Boys
- Calumet City Thornton Fractional North
- Champaign Centennial
- Chicago North Lawndale
- Chillicothe IVC
- Grayslake Central
- Huntley
- Mahomet-Seymour
- Normal Community
- Normal University
- North Chicago
- Peoria Notre Dame
- Plainfield South
- Rock Island
- Rockton-Hononegah
- South Holland Thornwood
- Springfield
Class 1A-2A (Small School) Girls
- Annawan
- Bloomington Central Catholic
- Brimfield
- Camp Point Central/Augusta Southeastern
- Champaign St. Thomas-More
- Downs Tri-Valley
- El Paso-Gridley
- Fairbury Prairie Central
- Kankakee Bishop McNamara
- Pana
- Peoria Christian
- Rochester
- Rock Falls
- Rock Island Alleman
- St. Joseph-Ogden
- Sterling Newman




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