The largest conference is the Pocket Athletic with 13 schools.
[1] Note 1: Boone Grove and South Central (Union Mills) compete in the Greater South Shore Conference as football-only members.
It is made up of four Mid-Hoosier Conference football-playing schools (Eastern Hancock, Indian Creek, Knightstown, North Decatur, South Decatur), and Milan from the Ohio River Valley Conference.
It is made up of schools from the Blue Chip Conference (North Knox and Wood Memorial) and Southwest Indiana Conference (Eastern Greene, North Central (Farmersburg)).
East West Note: Only partial information is available before the 1994–95 school year.