Football Schools: O — 2009-10 

Last updated at 10:46 a.m. on Monday, August 31, 2009.

O'Fallon (H.S.)
Oak Forest
Oak Lawn (Community)
Oak Lawn (Richards)
Oak Park (Fenwick)
Oak Park (O.P.-River Forest)
Oakland [Tri-County Coop]
Oblong
Olney (East Richland) [Coop]
Olympia Fields (Rich Central)
Oneida (ROWVA) [A & R Coop]
Orangeville
Oregon
Orion
Orland Park (Sandburg)
Oswego (East)
Oswego (H.S.)
Ottawa (Marquette)
Ottawa (Twp.)