Southern Monon Conference
The Southern Monon Conference was an IHSAA-sanctioned conference in Southern Indiana. The conference was named after the two railroad lines the four founding schools were located along: the Southern and Monon. The conference doubled in size in its second year, yet had a large amount of turnover in its existence, The conference ended in 1965, when it merged with the Dixie Athletic Conference to form the Dixie-Monon Conference.Membership
- Played concurrently in SMC and WCC 1957–58.
- Played concurrently in SMC and CCC 1957–59.
- Played concurrently in SMC and LCC throughout SMC tenure.
- Played concurrently in SMC and JCC 1959–65.