* Last updated at 7:56 am on Friday, July 11, 2025
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)
Kindi Academy, see Lisle (Kindi Academy)
King, see Chicago (King)