All Games Top 25 All States Alabama Alaska Arizona Arkansas California Colorado Connecticut Delaware Washington, D.C. Florida Georgia Hawaii Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Ohio Oklahoma Oregon Pennsylvania Rhode Island South Carolina South Dakota Tennessee Texas Utah Vermont Virginia Washington West Virginia Wisconsin Wyoming Sort By Conference Metro Class Association All Conferences Apollo Big Northern Big Twelve Black Diamond-East Black Diamond-West Cahokia - Illinois Cahokia-Kaskaskia Cahokia-Mississippi Central Illinois Central State Eight Central Suburban-North Central Suburban-South Chicago Catholic-Blue Chicago Catholic-White Chicago Prep Chicago Public-Blue Central Chicago Public-Blue North Chicago Public-Blue South Chicago Public-Blue West Chicago Public-Red North Chicago Public-Red Northwest Chicago Public-Red South Chicago Public-White Central Chicago Public-White North Chicago Public-White South Chicago Public-White West Chicagoland Christian Dukane DuPage Valley East Central Illinois East Suburban Catholic Egyptian Illini Fox Valley Freelance Gateway Greater Egyptian Heart of Illinois Illini Prairie Illinois Central 8 Illinois Christian Independent School Inter County Interstate Eight Kishwaukee River Lakeshore Lincoln Prairie Lincoln Trail Little Illini Little Okaw valley Little Ten Metro Prep Metro Suburban Mid-Illini Mid-Suburban-East Mid-Suburban-West Midland Trail Mississippi Valley MSM National Trail Noble North Suburban Northeastern Northern Illinois 10 Northern Illinois Christian Northern Lake County Northwest Upstate Illini-North Northwest Upstate Illini-South Northwest Upstate Illini-West Prairie State Prairieland River Valley Sangamo Sangamon Valley South Central South Egyptian South Seven South Suburban Southern Illinois River-to-River-Mississippi Southern Illinois River-to-River-Ohio Southland Southwest Prairie Southwest Suburban Southwestern Three Rivers - East Three Rivers-West Tomahawk Tri-County Upstate Eight - East Vermillion Valley West Central West Suburban-Gold West Suburban-Silver Western Big 6 Western Illinois Valley All Metros Champaign-Springfield Chicago Davenport Paducah Peoria Quincy Rockford All Classes Class 1A Class 1A Class 2A Class 2A Class 3A Class 3A Class 4A Class 4A All Associations IHSA
There are 4 Southern Illinois River-to-River-Ohio high school boys basketball games in Illinois on Saturday, December 20, 2025. The first game,
Herrin vs Freeburg , starts at
. The final game,
Marion vs Harrisburg , starts at
.