| Oakdale Landbouskool Riversdale |
| Oakdale Montessori School City Of Cape Town |
| Oakdale Montessori Sunningdale City Of Cape Town |
| Oakdale Secondary School Johannesburg |
| Oakdene Primary School Fort Beaufort |
| Oakford Primary School |
| Oakhill School Knysna |
| Oakhurst Girls' Primary School City Of Cape Town |
| Oakland Academy City Of Cape Town |
| Oaklands SekondﾊR City Of Cape Town |
| Oakley Higher Primary School Bushbuckridge |
| Oakmeade Prep Academy Meyerton |
| Oakridge College |
| Oakview Academy City Of Cape Town |
| Oakwood Junior Primary School Queenstown |
| Oarabile Intermediate School Kuruman |
| Oasis Comprehensive School |
| Oasis Excellence Academy Kuruman |
| Oasis Preparatory School |
| Oatlands Preparatory School Grahamstown |
| Obakeng Primary School Radituso |
| Obang Secondary Amalia |
| Obani Primary School |
| Obanjeni Primary School |
| Obed Mlaba Technical High School |
| Obed Mosiane Primary School Roodepoort |
| Obisini Primary School |
| Obivane Primary School |
| Obonjaneni Primary School |
| Obontse Primary School Kuruman |
| Observatory East Primary School Johannesburg |
| Observatory Girls' Primary School Johannesburg |
| Observatory Junior City Of Cape Town |
| Obuka Senior Secondary School |
| Obusitse Intermediate School Madibogo |
| Ocean View House Primary School |
| Ocean View Secondary School City Of Cape Town |
| Oceans Private School Randburg |
| Oceans Private School Midrand |
| Oceans Private School Thohoyandou |
| Oceanview Primary School |
| Oceanview Primary School East London |
| Ocheni Primary School |
| Ocilwane Primary School |
| Odeke Combined Primary School |
| Odensia P/S Odendaalsrus |
| Odi Primary School Brits |
| Odidini Primary School |
| Odinpark Primary School Johannesburg |
| Odlameni Primary School |
| Odoland Primary School |
| Odyssey Academy Johannesburg |
| Oebisfelde Intermediate School |
| Ofentse Primary School Saulspoort |
| Ogade Primary School |
| Ogagwini Primary School |
| Ogazini Primary School |
| Ogedleni Public Primary School |
| Ogodiseng Secondary School Morokweng |
| Ogunjini Primary School |
| Ogwini Comprehensive Technical High School |
| Ohlahla Primary School |
| Ohlalwini Primary School |
| Ohlange High School |
| Ohlangeni Primary School |
| Ohlelo Primary School |
| Oker PrimﾊRe Skool Albertinia |
| Oketsang Primary School Taung |
| Okhalweni Primary School |
| Okhalweni Primary School |
| Okhayeni Primary School |
| Okhela Primary School Delmas |
| Okhombe Primary School |
| Okhozini Senior Primary School |
| Okhukho Public Primary School |
| Okhulana Primary School |
| Okiep HoëR Skool Okiep |
| Okiep Laerskool Okiep |
| Okkie Smuts Primary School Stanford |
| Oklahomastraat PrimﾊRe Skool City Of Cape Town |
| Okomelang Primary School Saulspoort |
| Okumhlophe Secondary School |
| Old Bunting Junior Secondary School Libode |
| Old Mill School |
| Olebile Primary School Taung |
| Olebogeng Intermediate School Kuruman |
| Olefile Secondary School Madikwe |
| Olehile Manchwe Intermediate School Pampierstad |
| Olien S/S Fauresmith |
| Olienpark Laerskool Brits |
| Olierivier Marianette PrimêRe Skool Douglas |
| Olievenhoutbosch Primary Centurion |
| Olievenhoutbosch Secondary School Pretoria |
| Olievenhoutbosch Secondary School 2 Pretoria |
| Olifantsdrift Lephalale |
| Olifantsfontein Primary School Midrand |
| Olifantsvallei PrimﾊRe Skool Citrusdal |
| Olifantsvlei Primary Farm School Johannesburg |
| Olive Ridge Ip/S Bloemfontein |
| Olive Ridge School East London |
| Oliver Lodge Primary School Vanderbijlpark |
| Oliver Tambo Technical High School Bizana |
| Olivet Private School Queenstown |
| Olwambeni Primary School |
| Olwandle High School |
| Olwasini Junior Primary School |
| Olwazini Primary School |
| Olyfkrans College. Swellendam |
| Olympia P/S Bloemfontein |
| Olympia Primary School |
| Olympic Primary School Kimberley |
| Olyvenhoutsdrift PrimêRe Skool Upington |
| Omang Primary School Kuruman |
| Omar H.S.Ebrahim Lotus Gardens Primary School Pretoria |
| Ombimbini Combined Primary School |
| Omega Primary School Mmabatho |
| Onalerona Primary Taung |
| Onane Groblersdal |
| Onderstepoort Primary School Pretoria |
| Ondini High School |
| Ondini Primary School |
| Ongane Combine School |
| Ongedacht Levubu |
| Ongeluk'S Nek Primary School Matatiele |
| Ongoye Primary School |
| Ongoye Secondary School |
| Oningeni Primary School |
| Onismus Mogafe Groblersdal |
| Onkabetse- Thuto Setlagole |
| Onkgopotse Tiro Comprehensive School Slurry |
| Onkgopotse Tiro Primary School Johannesburg |
| Ons Anker If/S Hennenman |
| Ontingweni Primary School |
| Ontlametse Phalatse Primary School Pretoria |
| Onverwacht Primary School Pretoria |
| Onze Rust P/S Bloemfontein |
| Ooghoek Tzaneen |
| Oos-Rand Akademie Kempton Park |
| Oostenberg Good Hope Christian School City Of Cape Town |
| Op Die Voorpos PrimêRe Skool Upington |
| Opadiatla Primary School Itsoseng |
| Opelweg Primary School Alberton |
| Openside Farm School Cathcart |
| Ophansi Primary School |
| Ophapheni Primary School |
| Ophathe Primary School |
| Ophofini Secondary School |
| Ophondweni Primary School |
| Ophongolo High School |
| Ophuzane Primary School |
| Oppermans I/S Koffiefontein |
| Oppermanskraal Primary School |
| Oppieplaas Academy Ltd Bethal |
| Oprah Winfrey Leadership Academy For Girls - South Africa Randvaal |
| Oqaqeni Primary School |
| Oqondweni Primary School |
| Oqungweni Primary School |
| Or Tambo Comprehensive Dennilton |
| Or Tambo Primary School Kempton Park |
| Ora Et Labora Primary School Pretoria |
| Oracle Senior Secondary School City Of Cape Town |
| Orange Farm Primary School Johannesburg |
| Orange Farm Secondary School Johannesburg |
| Orange Grove Junior Secondary School Mthatha |
| Orange Grove Primary School Johannesburg |
| Orange Grove Schools |
| Orania Cvo Gekombineerde Skool Orania |
| Oranje Diamant PrimêRe Skool Hopetown |
| Oranje-Oewer IntermediêRe Skool Upington |
| Oranje-Suid PrimêRe Skool Kakamas |
| Oranjekloof Mor Primary School City Of Cape Town |
| Oranjekrag C/S Gariepdam |
| Oranjeville P/S Oranjeville |
| Orban School Johannesburg |
| Orchard PrimﾊRe Skool De Doorns |
| Orchards Primary School Pretoria |
| Orchards Primary School Johannesburg |
| Orchid Giyani |
| Oreeditse Primary School Heunaar |
| Orefile Primary School Pretoria |
| Orel Private Academy Kimberley |
| Orhovelani Education Centre Boksburg |
| Orhovelani High School Thulamahashe |
| Oriah Pre And Primary School Vanderbijlpark |
| Orient Heights Primary School |
| Orient Hill Primary School |
| Orient Islamic School |
| Orion SekondêRe Skool De Aar |
| Orissa Primary School |
| Orlando Sda Primary School Soweto |
| Orlando Secondary School Johannesburg |
| Orlando West Secondary School Johannesburg |
| Orleansvale PrimﾊRe Skool Paarl |
| Ormonde Primary School Johannesburg |
| Ortloff Preparatory Mokopane |
| Osaletseng Primary School Brits |
| Osborn Primary School Mount Frere |
| Osborn Senior Secondary School Mount Frere |
| Oscar Mpetha High School City Of Cape Town |
| Oscarsberg Primary School |
| Oshabeni Primary School |
| Osingisingini Primary School |
| Osizweni High School |
| Osizweni Primary School |
| Osizweni Primary School Secunda |
| Osizweni Secondary School Secunda |
| Oskraal Intermediate School Garankuwa |
| Osuthu Primary School |
| Othaile Primary School Morokweng |
| Othandweni Junior Primary School |
| Othandweni Primary School Delmas |
| Othiyeni Primary School |
| Othobothini Primary School |
| Othungwini Primary School |
| Othweba Primary School |
| Otimati Primary School |
| Ottawa Primary School |
| Otter'S Creek Junior School City Of Cape Town |
| Ottery Road Primary School City Of Cape Town |
| Otto Du Plessis Senior Secondary School Gqeberha |
| Oude Molen Hts. City Of Cape Town |
| Oudtshoorn HoﾋRskool Oudtshoorn |
| Oukasi Primary School Brits |
| Ouplaas Ek PrimﾊRe Skool Witsand |
| Our Father'S Academy Ci/S Bloemfontein |
| Our Lady Of Fatima Dominican Convent School |
| Our Lady Of Lebanon Maronite Catholic School Alberton |
| Our Lady Of The Rosary Secondary School |
| Our Lady Of Wisdom Johannesburg |
| Our Saviour Primary School Queenstown |
| Ourlady Primary School |
| Outeniqua HoﾋRskool George |
| Outeniqua Primary School George |
| Outfall Primary School |
| Outspan Primary School Matatiele |
| Oval North Secondary School City Of Cape Town |
| Overberg High School Caledon/Myddleton |
| Overberg Laerskool Caledon/Myddleton |
| Overhex Ngk PrimﾊRe Skool Worcester |
| Overport S.R.S. Primary School |
| Overport Secondary School |
| Overton Primary School East London |
| Overtoun Primary School |
| Overvaal Private School Klerksdorp |
| Oviceni Primary School |
| Oviston Primary School Venterstad |
| Ovukukaneni Primary School |
| Oxford Combined College Kempton Park |
| Oxford Independent School |
| Oxford International High School |
| Oxford Training Centre Johannesburg |
| Oxolweni Primary School |
| Oyemeni Primary School |
| Ozabeni Primary School |
| Ozias Davhana Elim |
| Oziel Selele Cs/S Bothaville |
| Ozwathini Primary School |
| Ozweleni Pp School |
| Ozweni Primary School |
