* Last updated at 7:51 am on Friday, September 22, 2023
Raby, see Chicago (Raby)
Reavis, see Burbank (Reavis)
Red Hill, see Bridgeport (Red Hill)
Reed-Custer, see Braidwood (Reed-Custer)
Regina Dominican, see Wilmette (Regina Dominican)
Resurrection, see Chicago (Resurrection)
Rich Township, see Richton Park (Rich Township)
Richards, see Chicago (Richards)
Richards, see Oak Lawn (Richards)
Richland County, see Olney (Richland County)
Richton Park (Southland College Prep Charter)
Richwoods, see Peoria (Richwoods)
Rickover Naval Academy, see Chicago (Rickover Naval Academy)
Ridgeview, see Colfax (Ridgeview)
Ridgewood, see Norridge (Ridgewood)
River Ridge, see Hanover (River Ridge)
Riverdale, see Port Byron (Riverdale)
Rochelle Zell, see Deerfield (Rochelle Zell)
Rockford (KIKIFER'S Entrepreneurial Academy)
Rockford (Our Lady of the Sacred Heart)
Rockridge, see Taylor Ridge (Rockridge)
Roosevelt, see Chicago (Roosevelt)
Rosamond (Faith Bible Christian Academy)
Rosary, see Aurora (Rosary)
Routt, see Jacksonville (Routt)
ROWVA, see Oneida (ROWVA)
Roycemore, see Evanston (Roycemore)