Old Orchard Elementary
Old River Elementary
Olive Middle
Olive Vista Middle
Oliver Wendell Holmes Middle
Olympic High (continuation)
Olympic Primary Center
One Hundred Eighteenth Street
One Hundred Eighty-sixth Street Elementary
One Hundred Fifty-sixth Street Elementary
One Hundred Fifty-third Street
One Hundred Ninth Street Elementary
One Hundred Seventh Street Elementary
One Hundred Sixteenth Street Elementary
One Hundred Thirty-fifth Street Elementary
One Hundred Twelfth Street Elementary
One Hundred Twenty-second Street Elementary
Oneonta Montessori School
Opal Robinson Elementary
Open Charter Magnet