O C Johnson School
O'connor Elementary School
Oak Creek Ranch School
Oak Creek School
Oak Tree Elementary
Oakwood Elementary School
Oasis Elementary School
Oasis High School
Ochoa Elementary School
Ocotillo Elementary School
Ocotillo Ridge Elementary
Ocotillo School
Old Pueblo Children's Academy
Old Vail Middle School
Ombudsman - Charter Central
Ombudsman - Charter East
Ombudsman - Charter Metro
Ombudsman - Charter Northeast
Ombudsman - Charter Pantano
Ombudsman - Charter Valencia