O and M High School
O M MacKillop Public School
O V Jewitt Community School
O'Chiese School
O'Connor Public School
O'donel High School
O'gorman High School
O'Neill Collegiate and Vocational Institute
O.m. Irwin Middle School
Oak and Orca Bioregional School
Oak Bay Secondary
Oak Bluff Colony Hog Farm
Oak Bluff Community School
Oak Hill School
Oak Park High School
Oak Ridges Public School
Oakbank Elementary School
Oakdale Park Middle School
Oakenwald School
Oakridge Jr Public School