Founded in 1926, the conference and its member schools are affiliated with the Wisconsin Interscholastic Athletic Association.
Mosinee's spot in the CWC would be taken in 1951 by Bonduel,[7] who joined after the Mid-Valley Conference disbanded the year prior.
[12] The recently opened high school in Little Chute joined the CWC in 1969,[13] bringing the loop back up to eight members, but significant changes would be coming in the 1970s.
A third new member (Shiocton) made their CWC debut, joining from the recently dissolved Little Nine Conference.
[14] The seven-member group would remain for three seasons before Weyauwega rejoined the CWC in 1973 after leaving the East Central Conference.
[15] They traded affiliations with Little Chute, who experienced a bump in enrollment after the closing of St. John High School and outgrew the CWC.
[27] The next year, Manawa shifted to the Eastern Division, rejoining old rivals in the Central Wisconsin Eight.