University High School - Normal
Lanphier High School
Sandwich High School
Earlville High School
Canton High School
Pekin High School
Hinsdale Central High School
Hinsdale South High School
St. Teresa Catholic High School
The High School of Saint Thomas More
Maine West High School
Deerfield High School
Normal Community High School
Springfield Southeast High School
Guilford High School
Freeport High School
Scales Mound High School
East Dubuque High School
Harlem High School
Belvidere High School
Rockford Auburn High School
Belvidere North High School
Sparta High School
Marissa High School
Unity High School - Tolono
Maroa-Forsyth High School
2026 IHSA Baseball Semifinal Multi-team Event
Tri-Valley High School
St. Joseph-Ogden High School
Team TBD
Wesclin High School
Wheaton North High School
Wheaton Warrenville South High School
Bolingbrook High School
Glenbard West High School
Loyola Academy
Libertyville High School
St. Francis High School
Elmwood Park High School
Lake Forest High School
Morton High School - Morton
Waterloo High School
Alleman High School
Pleasant Plains High School
