The CICL was a collegiate wooden bat summer baseball league. It was composed of five teams from Illinois and Indiana.The CICL was founded in 1963 as a charter member of National Collegiate Athletic Association certified summer baseball. Although the NCAA dropped Summer baseball program in 2005, The CICL is one of ten summer collegiate baseball leagues affiliated with the National Association of Summer Collegiate Baseball (NASCB), which now takes over the duties of the NCAA and follows all NCAA requirements. The league was also is one of four summer college baseball leagues supported by Major League Baseball.