O'Connell Public School, O'connell NSW Government Coeducational School | O'connell | Primary | - | - | | - |
O'Connor Catholic College, ARMIDALE NSW Catholic Coeducational School | ARMIDALE | Secondary | - | - | | - |
Oak Flats High School, Oak Flats NSW Government Coeducational School | Oak Flats | Secondary | - | - | | - |
Oak Flats Public School, Oak Flats NSW Government Coeducational School | Oak Flats | Primary | - | - | | - |
Oakdale Public School, Oakdale NSW Government Coeducational School | Oakdale | Primary | - | - | | - |
Oakhill College, CASTLE HILL NSW Catholic Coeducational School | CASTLE HILL | Secondary | - | - | | - |
Oakhill Drive Public School, Castle Hill NSW Government Coeducational School | Castle Hill | Primary | - | - | | - |
Oakville Public School, Oakville NSW Government Coeducational School | Oakville | Primary | - | - | | - |
Oatlands Public School, East Oatlands NSW Government Coeducational School | East Oatlands | Primary | - | - | | - |
Oatley Public School, Oatley NSW Government Coeducational School | Oatley | Primary | - | - | | - |
Oatley West Public School, Oatley NSW Government Coeducational School | Oatley | Primary | - | - | | - |
Oberon High School, Oberon NSW Government Coeducational School | Oberon | Secondary | - | - | | - |
Oberon Public School, Oberon NSW Government Coeducational School | Oberon | Primary | - | - | | - |
Ocean Shores Public School, Ocean Shores North NSW Government Coeducational School | Ocean Shores North | Primary | - | - | | - |
Old Bar Public School, Old Bar NSW Government Coeducational School | Old Bar | Primary | - | - | | - |
Old Bonalbo Public School, Old Bonalbo NSW Government Coeducational School | Old Bonalbo | Primary | - | - | | - |
Old Guildford Public School, Guildford NSW Government Coeducational School | Guildford | Primary | - | - | | - |
Open High School, Randwick NSW Government Coeducational School | Randwick | Secondary | - | - | | - |
Orama Public School, Thora NSW Government Coeducational School | Thora | Primary | - | - | | - |
Orana Heights Public School, Dubbo NSW Government Coeducational School | Dubbo | Primary | - | - | | - |
Orana School, WESTON NSW Independent Coeducational School | WESTON | Secondary | - | - | | - |
Orange Anglican Grammar School, ORANGE NSW Independent Coeducational School | ORANGE | Secondary | - | - | | - |
Orange Christian School, ORANGE NSW Independent Coeducational School | ORANGE | Secondary | - | - | | - |
Orange East Public School, Orange NSW Government Coeducational School | Orange | Primary | - | - | | - |
Orange Grove Public School, Leichhardt NSW Government Coeducational School | Leichhardt | Primary | - | - | | - |
Orange High School, Orange NSW Government Coeducational School | Orange | Secondary | - | - | | - |
Orange Public School, Orange NSW Government Coeducational School | Orange | Primary | - | - | | - |
Orara High School, Coffs Harbour NSW Government Coeducational School | Coffs Harbour | Secondary | - | - | | - |
Orara Upper Public School, Upper Orara NSW Government Coeducational School | Upper Orara | Primary | - | - | | - |
Orchard Hills Public School, Orchard Hills NSW Government Coeducational School | Orchard Hills | Primary | - | - | | - |
Otford Public School, Otford NSW Government Coeducational School | Otford | Primary | - | - | | - |
Our Lady Help of Christians Catholic Primary School, EPPING NSW | EPPING | Primary | - | - | | - |
Our Lady Help of Christians Primary School, LISMORE SOUTH NSW | LISMORE SOUTH | Primary | - | - | | - |
Our Lady Help of Christians Primary School, ROSEMEADOW NSW Catholic Coeducational School | ROSEMEADOW | Primary | - | - | | - |
Our Lady of Dolours Catholic Primary School, CHATSWOOD NSW Catholic Coeducational School | CHATSWOOD | Primary | - | - | | - |
Our Lady of Fatima School, CARINGBAH NSW Catholic Coeducational School | CARINGBAH | Primary | - | - | | - |
Our Lady of Fatima School, KINGSGROVE NSW Catholic Coeducational School | KINGSGROVE | Primary | - | - | | - |
Our Lady of Good Counsel Catholic Primary School, FORESTVILLE NSW Catholic Coeducational School | FORESTVILLE | Primary | - | - | | - |
Our Lady Of Lebanon College, HARRIS PARK NSW Catholic Coeducational School | HARRIS PARK | Secondary | - | - | | - |
Our Lady of Lourdes Infants School, EAST LISMORE NSW Catholic Coeducational School | EAST LISMORE | Primary | - | - | | - |
Our Lady of Lourdes Primary School, BAULKHAM HILLS NSW Catholic Coeducational School | BAULKHAM HILLS | Primary | - | - | | - |
Our Lady of Lourdes Primary School, SEVEN HILLS NSW Catholic Coeducational School | SEVEN HILLS | Primary | - | - | | - |
Our Lady of Lourdes Primary School, TARRO NSW Catholic Coeducational School | TARRO | Primary | - | - | | - |
Our Lady of Lourdes School, EARLWOOD NSW Catholic Coeducational School | EARLWOOD | Primary | - | - | | - |
Our Lady of Mercy College Burraneer, CRONULLA NSW Catholic Female School | CRONULLA | Secondary | - | - | | - |
Our Lady Of Mercy College, PARRAMATTA NSW Catholic 7-12 Female School | PARRAMATTA | Secondary | - | - | | - |
Our Lady of Mount Carmel Primary School, WATERLOO NSW Catholic Coeducational School | WATERLOO | Primary | - | - | | - |
Our Lady of Mount Carmel Primary School, WENTWORTHVILLE NSW Catholic Coeducational School | WENTWORTHVILLE | Primary | - | - | | - |
Our Lady of Mount Carmel School, BONNYRIGG NSW Catholic Coeducational School | BONNYRIGG | Primary | - | - | | - |
Our Lady of Perpetual Succour Catholic Primary School, WEST PYMBLE NSW | WEST PYMBLE | Primary | - | - | | - |