Founding members were Buchanan Bucks, Berrien Springs Shamrocks, Brandywine Bobcats, Cassopolis Rangers, Edwardsburg Eddies, and River Valley Mustangs.
Later, Dowagiac, Lakeshore, Lake Michigan Catholic were added before they all later departed.
Former members include Bridgman Bees (football only), Dowagiac Chieftains, Edwardsburg Eddies, Lake Michigan Catholic Lakers, Lakeshore Lancers, and River Valley Mustangs.
In 1999, Lakeshore left the conference followed by Dowagiac, who left in 2001 after winning conference their last two years in Basketball (sharing with Berrien Springs in 2000).
[1] During the final year of conference play in 2013-14, the following schools were members: