With consolidation forcing many membership changes in the 1970s (including all the Terre Haute public schools), the conference folded at four members in 1983.

Indian Creek was extended an invitation as the replacement for SV in 2017 and accepted bringing the conference back to 12 teams retaining the divisions model.

[5] Since expansion to 12 teams, the conference membership has been less than stable due to long travel times and geographical issues spanning half of the state.

The move leaves the Western Indiana Conference will 11 schools, dissolving the east–west divisions for team sports, except football, going to round robin play.

Similarly, at this time, the four Putnam County schools were in discussions with Crawfordsville, North Montgomery, and Southmont to form a new athletic conference.

On May 7, 2024, the IndyStar reported that Indian Creek would leave the WIC to following the 2025-2026 academic year to create a new league with Sagamore castaway Tri-West and the four public schools from the Indiana Crossroads Conference: Beech Grove, Monrovia, Speedway, and Triton Central.

Boys’ and girls’ swimming and diving, track and field, cross country, wrestling, and golf will still hold one-day conference tournaments.