* Last updated at 8:50 am on Saturday, October 5, 2024
MacArthur, see Decatur (MacArthur)
Maine East, see Park Ridge (Maine East)
Maine South, see Park Ridge (Maine South)
Maine West, see Des Plaines (Maine West)
Manley, see Chicago (Manley)
Manual, see Peoria (Manual)
Marian, see Chicago Heights (Marian)
Marian, see Woodstock (Marian)
Marine Leadership Academy, see Chicago (Marine Leadership Academy)
Marist, see Chicago (Marist)
Marmion Academy, see Aurora (Marmion Academy)
Marquette, see Alton (Marquette)
Marquette, see Ottawa (Marquette)
Marquette Manor Baptist Academy, see Downers Grove (Marquette Manor Baptist Academy)
Marshall, see Chicago (Marshall)
Massac County, see Metropolis (Massac County)
Mater Dei, see Breese (Mater Dei)
Mather, see Chicago (Mather)
Mattoon (St. John's Lutheran School)
MCC Academy, see Morton Grove (MCC Academy)
McNamara, see Kankakee (McNamara)
Melrose Park (Walther Christian)
Mercer County, see Aledo (Mercer County)
Meridian, see Macon (Meridian)
Meridian, see Mounds (Meridian)
Metea Valley, see Aurora (Metea Valley)
Metro-East Lutheran, see Edwardsville (Metro-East Lutheran)
Mid-America Preparatory, see Herrick (Mid-America Preparatory)
Midland, see Varna (Midland)
Midwest Central, see Manito (Midwest Central)
Moline (Quad Cities Christian School)
Montessori Academy, see Hoffman Estates (Montessori Academy)
Montini, see Lombard (Montini)
Morgan Park, see Chicago (Morgan Park)
Morgan Park Academy, see Chicago (Morgan Park Academy)
Morton, see Berwyn-Cicero (Morton)
Mother McAuley, see Chicago (Mother McAuley)
Mt. Carmel, see Chicago (Mt. Carmel)