WGBK 88.5 FM is a non commercial radio station operated by the students and faculty advisers of Glenbrook North High School in Northbrook, Illinois and Glenbrook South High School in Glenview, Illinois. The station was originally owned an operated as WMWA by the Midwestern Academy, a Christian day school affiliated with the General Church of the New Jerusalem. The radio courses at Glenbrook South was started in 1981. Shortly thereafter, in 1982, the high school bought evening time on WMWA. In 1996, the high school district purchased the station and requested a call letter change (hence WGBK).