Little 11 Conference

1955: Pleasantville, Carlisle, and Monroe leave to form the Des Moines River Conference. Conference disbands.
1954: Allerton and Lacona join. Membership increases to 8.
1953: Murray joins. Membership increases to 6.
1951: Garden GrovePleasantville, Carlisle, Monroe, and Melcher form the Little 11 Football Conference.