All schools in the SEC are a part of and participate in IHSA sporting events.
The Western Illinois Valley Conference is a conference of the IHSA located in the west-central part of Illinois.
Beginning in 1995, Carterville High School reached the IHSA playoffs 15 consecutive seasons.
As a Class of 1973 senior, he was named Parade Magazine All-American, Scholastic All-America by Scholastic Magazine, Illinois High School Association (IHSA) All-State, received the American Legion Outstanding Achievement Award, and was a member of the National Honor Society.
Sandwich High School is an active member of the Interstate Eight Conference, and competes in IHSA regulated sports competitions.
He led Thornridge to the 1972 IHSA state basketball championship, was co-captain of the 1976 national champion Indiana Hoosiers, won a gold medal in the 1976 Summer Olympic Games, and had a ten year NBA career, including membership on the 1984 NBA Champion Boston Celtics.
As a coach, May led the Wildkits to 24 consecutive Central Suburban League conference championships from 1976 to 1999, five IHSA state trophies, and one state championship (1979).