Cahokia Conference
| Conference | IHSA | 
|---|---|
| Founded | 1928 | 
| No. of teams | 18 | 
| Region | Southwestern Illinois (near St. Louis) | 
The Cahokia Conference is a high school athletic and competitive activity organization which currently consists of 18 schools in southwestern Illinois. All of the schools are located in Clinton, Madison, Marion, Monroe, Randolph, St. Clair, and Washington counties. The conference began in 1928.