Freeburg High School
Waterloo High School
DeSoto High School
East Alton-Wood River High School
Marquette Catholic High School
Columbia High School
Civic Memorial High School
Jersey Community High School
Anna-Jonesboro High School
Mater Dei High School - Breese
Triad High School
Granite City High School
Marquette High School - Ottawa
River Valley Christian School
St. Anthony High School
2026 IHSA Baseball Semifinal Multi-team Event
