| Olshansky, Timothy |
Sydney Boys High School |
15050, 15140, 15160, 15250, 15260, 15330 |
| Omidi, Farnaz |
Cumberland High School |
16010 |
| Onay, Ozan |
North Sydney Boys High School |
15140, 15160, 15170, 15250, 15260, 15330 |
| Onden Lim, Melissa |
Penrith High School |
15030, 15140, 15390 |
| Ong, Bonnie Caroline |
James Ruse Agricultural High School |
15050, 15140, 15160, 15170, 15240, 15250, 15330 |
| Ong, Dennis Jiun Siang |
North Sydney Boys High School |
15250, 15260 |
| Ong, Jason Thian Kwang |
Sydney Boys High School |
15110, 15250, 15260 |
| Ong, Jemmie |
Georges River College (Oatley Senior Campus) |
15240 |
| Ong, June Young |
INTI International College Penang |
15250 |
| Ong, Kian Pin |
James Ruse Agricultural High School |
15050, 15140, 15240, 15250 |
| Ong, Michael |
Waverley College |
15240, 15250, 15370 |
| Ong, Teresa |
Strathfield Girls High School |
15240 |
| Ong, Vi Hoang |
Sefton High School |
15240 |
| Ong, Winston |
Marcellin College |
15110, 15220, 15270 |
| Ongley, Sarah |
Mitchell High School Blacktown |
15330 |
| Ooi, Jien-Sen |
Girraween High School |
15110, 15250, 15330 |
| Ooi, Yoon Chiet |
Bathurst High School |
15160, 15290, 15400 |
| Oosterhoff, Ian Clayton |
Korowal School |
15270 |
| Opper, Lucinda Nancy |
Smith's Hill High School |
15090, 15170 |
| Or, Andrew Ho Yin |
Epping Boys High School |
15210, 15240 |
| Oracki, Andrea |
Blue Mountains Grammar School |
15050, 15240, 15250, 15320, 15330 |
| Orchard, Stephen Mark |
Kooringal High School |
15100, 15170 |
| Oreb, Naomi |
Loreto Normanhurst |
15050, 15140, 15220, 15240, 15250, 15270 |
| Orellana, Maria |
Kincoppal - Rose Bay School of the Sacred Heart |
15030, 15790 |
| Organ, Jennifer |
Northern Beaches Secondary College, Manly Selective Campus |
15290 |
| Orlievsky, Ilana |
International Grammar School |
15140, 15680, 15690 |
| Orman, Rebecca Jane |
Bowral High School |
15170 |
| Ormerod, Michael Bernard |
Casimir Catholic College |
15240 |
| Ormiston, Jarrod Leslie James |
Merewether High School |
15040, 15110, 15250, 15260 |
| Orphanou, Nicholas |
Marist College Kogarah |
15240 |
| Orrock, Luke |
Wollongong High School of the Performing Arts |
15090 |
| Osborne, Benjamin Patrick |
Red Bend Catholic College |
15200 |
| Osborne, Jonathan Edward Pete |
Merewether High School |
15360 |
| Oscuro, Giselle |
St George Girls High School Kogarah |
15040, 15240, 15250, 15900 |
| Oser, Hayim |
Moriah College (Queens Park Campus) |
15610 |
| Osman, Zouheir |
Holroyd High School |
15670 |
| Osmani, Leila |
Malek Fahd Islamic School |
15030 |
| Osmond, Benjamin Keith |
Kiama High School |
15200 |
| Ossher, Nicola Cassandra |
Sydney Girls High School |
15250, 15390, 15680, 15690 |
| Osstyn, Marc Pierre Charles |
Merewether High School |
15110, 15250, 15260 |
| Ostens, Dale James Campbell |
Eden Marine Technology High School |
15120 |
| Ostrowski, Jaques |
Marcellin College |
15050, 15250 |
NSW Government