1961: Mormon Trail, East Union, and ACL (a combination of Lineville and Allerton) leave for the Bluegrass Conference. Conference disbands?

1960: Lorimor consolidates with other nearby schools to form East Union. The new school remains in the conference. Membership remains at 8.

1959: Russell and Lorimor join. Garden Grove and Humeston consolidate to form Mormon Trail. Melcher consolidates with Dallas to form Melcher-Dallas. Lacona consolidates with nearby schools to form Southeast Warren. The new schools remain in the league. Membership increases to 8.