Oakridge Public School
Oakridge Secondary School
Oakville Christian School
Oakville College Careers and Academics
Oakville School
Oakville Trafalgar High School
Oakville-Trafalgar Secondary School
Oakwood Collegiate Institute
Oakwood Elementary School
Oakwood Public School
Oasis Alternative Secondary School
Oblates de Béthanie
Occupational Preparation Program (C E C)
Ocdsb Westwind Ps
Oceanside Middle School
Oceanside Montessori School
Oceanview Elementary School
Oceanview Middle School
Ochre River School
Odessa School