| O'Shea, Samuel Rocco |
Terrigal High School |
15240, 15250 |
| O'Shea, Timothy |
Ariah Park Central School |
15240 |
| O'Sullivan, Charles Henry |
North Sydney College of TAFE |
15240 |
| O'Sullivan, Laois Patricia |
Conservatorium High School |
15310 |
| O'Sullivan, Michael |
Broughton Anglican College |
15240 |
| O'Toole, Alexander Jacob |
Manly Selective Campus |
15290 |
| O'Toole, Rebecca Jane |
Eden Marine Technology High School |
15230 |
| O'Young, Melissa Mabel |
Abbotsleigh |
15040, 15160, 15190, 15240 |
| Oberg, Karl Philip |
Davidson High School |
15290 |
| Obradovic, Milica |
South Sydney High School Maroubra |
15290 |
| Obuchowicz, Kathy Mary |
Catherine McAuley Westmead |
15250 |
| Ocampo, Aaron James |
Penrith High School |
15240 |
| Ocampo, Justine |
The McDonald College |
15070 |
| Ockert, Angelique Marie |
Cerdon College Merrylands |
15020 |
| Oconer, Bryan |
St Andrews College |
15040 |
| Oconer, Marie Lorenz |
Santa Sabina College Strathfield |
15160 |
| Odelli, Matthew Lorenzo |
St Francis Xavier's College Hamilton |
15140 |
| Odhavji, Reshma |
James Ruse Agricultural High School |
15030, 15050, 15240, 15250 |
| Oeni, Hendry |
Pittwater House Grammar School |
15240 |
| Oeur, Sreypich |
Cabramatta High School |
15250 |
| Ogg, Kate Elizabeth |
Trinity Catholic College Lismore |
15090, 15140, 15160, 15220, 15270, 15280 |
| Ogilvie, Kenneth John |
Hurlstone Agricultural High School Glenfield |
15230 |
| Ogut, Murat |
James Ruse Agricultural High School |
15250, 15260, 15330 |
| Oh, Evan |
Sydney Boys High School |
15040, 15050, 15140, 15250, 15260, 15330 |
| Oh, Jinny |
Fort Street High School Petersham |
15240, 15250 |
| Oh, Jun Kyung |
Turramurra High School |
15830, 15850 |
| Oh, Yoon Suk |
St Ives High School |
15830 |
| Ohnesorge, Sharon Larysa |
Randwick Girls High School |
15140, 15160, 15170, 15270, 15400 |
| Olazabal, Dennis Ricardo |
Girraween High School |
15240, 15250, 16080 |
| Olden, Rebecca Louise |
All Saints College St Mary's Campus |
15290 |
| Olian, Noa |
The Emanuel School |
15020, 15140, 15280, 15350 |
| Oliveiro, Mark Anthony |
Newtown High School of the Performing Arts |
15310 |
| Oliver, Braden Norman Wallace |
Avondale High School Cooranbong |
15240 |
| Oliver, Gary Joseph |
Wade High School |
15230 |
| Olle, Nina Charlotte |
SCEGGS Darlinghurst |
15140, 15160, 15280 |
| Olma, Joanne Louise |
St Andrews College |
15170, 15280 |
| Olorenshaw, Timothy Lea Bruce |
Manly Selective Campus |
15040 |
| Olsen, Nicholas David |
Pennant Hills High School |
15050, 15240, 15330 |
| Olsson, Ashleigh Jane |
Wingham High School |
15080 |
| Olsson, Jacqueline |
Barker College Hornsby |
15040, 15160 |
| Omidian, Padideh |
Sydney Distance Education High School |
16010 |
| Omrod, Timothy James |
Orange Christian School |
15230 |
| Onden Lim, Vanessa |
Penrith High School |
15040, 15240 |
| Ong, Christina Min Lian |
Sydney Girls High School |
15240, 15290 |
| Ong, Kian Yow |
James Ruse Agricultural High School |
15250, 15260, 15270 |
| Ong, Ronald |
Sydney Technical High School Bexley |
15250 |
| Ong, Sarah Marie |
Pymble Ladies' College |
15040, 15110, 15270 |
| Ong, Shijun |
Hornsby Girls High School |
15020, 15240, 15250, 15280 |
| Ong, Tsng Yow |
Sydney Boys High School |
15250 |
| Ong, Zhi Yi |
INTI International College Penang |
15240, 16150 |
| Ooi, Natalie Yew Yin |
Abbotsleigh |
15040, 15190, 15240, 15250 |
NSW Government