* Last updated at 10:21 am on Sunday, December 10, 2023
Kaneland, see Maple Park (Kaneland)
Kankakee (Grace Christian Academy)
Keith Country Day, see Rockford (Keith Country Day)
Kelly, see Chicago (Kelly)
Kelvyn Park, see Chicago (Kelvyn Park)
Kennedy, see Chicago (Kennedy)
Kenwood, see Chicago (Kenwood)
KIKIFER'S Entrepreneurial Academy, see Rockford (KIKIFER'S Entrepreneurial Academy)
King, see Chicago (King)