Ombudsman - Charter Northwest
Ombudsman Educational Services
Onahan Elem School
One Leap Ahead
Ontarioville Elem School
Opdyke Attendance Center
Open Arms Christian Child Development Center
Open Bible Academy
Open Bible Learning Center
Open Door Of Hope Christian Academy
Orangeville Elem School
Orangeville High School
Orangeville Jr High School
Orchard Place Elem School
Orchardville Mennonite School
Oregon Elem Sch - Etnyre Wing
Oregon Elem Sch - Jefferson Wing
Oregon High School
Orenic Intermediate School
Oriole Park Elem School