The Hoosier Athletic Conference is a ten-member IHSAA-Sanctioned conference located within Benton, Cass, Hamilton, Howard, Jasper, Tippecanoe, Tipton and White counties. The conference first began in 1947,[1] and has been in constant competition except for the 1997–98 school year, when membership dropped to three schools. The conference added four schools from the folding Mid-Indiana Conference in 2015.[2] Lewis Cass exited the conference in 2023[3] and Logansport was added as the replacement starting in 2024.[4] In 2024 Northwestern will exit the conference filling in for North Miami in the Three Rivers Conference.