O
- Oconee
- Orangeburg Consolidated 3 (Elloree, Holly Hill)
- Orangeburg Consolidated 4 (Branchville, Cordova, Cope)
- Orangeburg Consolidated 5 (Bowman, North, Orangeburg)
Read more about this topic: List Of School Districts In South Carolina
O
Read more about this topic: List Of School Districts In South Carolina