All member schools of the South Central Conference are affiliated with the Wisconsin Interscholastic Athletic Association.
[4][5] Sparta, Tomah and Viroqua joined with Mauston and Westby to form the new West Central Conference.
[6] Sparta, Tomah and Viroqua were also concurrently members of the Gateway Conference along with La Crosse Logan during this time period.
[9][10] Sparta, Tomah and Viroqua rejoined from the West Central Conference, along with newcomers Mauston and Nekoosa.
[19] Seven years later, Sparta and Tomah left to join with the larger La Crosse-area schools to form the new Mississippi Valley Conference.