Addison Panthers

Member since 1988

Columbia Central

Member 1968-1995,
Since 2023-24

East Jackson

Member since 1954

Will leave for Big 8 in 2026-27

Grass Lake

Member 1954-1964,
Since 1976

Hanover-Horton

Member 1954-1960,

Since 1976

Homer

Member since 2023-24

Will leave for Big 8 in 2026-27

Jonesville

Member since 2023-24

Leslie

Member since 2023-24

Manchester

Member since 1983

Michigan Center

Member since 1954

Napoleon

Member since 1954

Vandercook Lake

Member since 1954