| Oh, David Joon Hyun |
Pittwater House Grammar School |
15240 |
| Oh, Hyun-Ji |
St Andrew's Cathedral School |
15240 |
| Oh, Jin Seok Steven |
Cumberland High School |
15820 |
| Oh, Lois Gayeon |
North Sydney Girls High School |
15250, 15260, 15330 |
| Oh, Paik Yee |
INTI International College Penang |
16150 |
| Oh, Paul |
North Sydney Boys High School |
15250 |
| Oh, Sandi Su-Mee |
St George Girls High School Kogarah |
15230 |
| Oh, Sunhae |
Sydney Girls High School |
15240, 15310 |
| Ohlson, Nicholas Weston |
Southern Cross School |
15290 |
| Ohnishi, Kei |
Cherrybrook Technology High School |
15040, 15200 |
| Ohnishi, Tetsu |
Cherrybrook Technology High School |
15200, 15210 |
| Ok, Ryun-Kyung |
Killara High School |
15250, 15830, 15850 |
| Okunev, Anna |
Sydney Distance Education High School |
15300, 15310 |
| Okura, Azusa |
SCECGS Redlands |
15840 |
| Olah, Juliette Karina |
Kincoppal-Rose Bay School of the Sacred Heart |
15040, 15700 |
| Olcayto, Timothy |
Oakhill College Castle Hill |
15240 |
| Old, Elizabeth Emilie |
Pymble Ladies' College |
15020, 15290 |
| Oldmeadow, Harriet |
SCEGGS Darlinghurst |
15240 |
| Olevson, Nicole |
Masada College |
15020, 15090, 15140, 15160, 15180 |
| Oliver, Justin Maxwell |
Dunedoo Central School |
15240 |
| Olivier, Aigline |
Vaucluse High School |
15680 |
| Olivier, Jodie Louise |
Baulkham Hills High School |
15140, 15240, 15330, 15400 |
| Olivier, Vicky |
Gosford High School |
15250 |
| Olminkhof, Johanna Victoria |
Sydney Girls High School |
15240 |
| Olsen, Fiona Elizabeth |
The Scots School Albury |
15290, 15400 |
| Olsen, Melanie Jane |
Macarthur Girls High School |
15090 |
| Olsen, Rebecca Lee |
Narromine High School |
15230 |
| Olshen, Megan Elizabeth |
Sydney Distance Education High School |
15230 |
| Olson, Elizabeth |
St Vincent's College Potts Point |
15090, 15160, 15380 |
| Olson, Glen Alexander |
Mudgee High School |
15240 |
| On, William |
Patrician Brothers' College (Fairfield) |
15140, 15170, 15240 |
| Ong, Adelene Su Chen |
St George Girls High School Kogarah |
15030, 15050, 15140, 15240, 15250, 15760, 15780 |
| Ong, Angela |
St George Girls High School Kogarah |
15240 |
| Ong, Bonnie Caroline |
James Ruse Agricultural High School |
15010 |
| Ong, Chin Chieh (Davane) |
Newington College Stanmore |
15310 |
| Ong, David Lee Ming |
Knox Grammar School |
15240 |
| Ong, Jacyleen |
Caringbah High School |
15040, 15140, 15160, 15220, 15240, 15350 |
| Ong, Jonathan |
Sydney Grammar School |
15300, 15310 |
| Ong, Keeran |
Oakhill College Castle Hill |
15040, 15240, 15290 |
| Ong, Thomas |
William Carey Christian School |
15240, 15250 |
| Ongkojoyo, Hendy |
Georges River College (Oatley Senior Campus) |
15210, 15250 |
| Ooi, Hooi Wan |
INTI International College Penang |
16150 |
| Ooi, See Yun |
INTI International College Penang |
15240, 15250, 16150 |
| Ooi, Sin Huei |
INTI International College Penang |
16150 |
| Ooms, Sharleen |
St Clare's College |
15240 |
| Oon, Joeleen |
Brigidine College Randwick |
15140, 15220, 15370 |
| Oosterhoff, Ian Clayton |
Korowal School |
15240, 15330 |
| Opacic, Tajana |
Mitchell High School Blacktown |
16050 |
| Opdam, Alexander Walter |
North Sydney Boys High School |
15140, 15160, 15240, 15250 |
| Opdeveigh, Daniel Lea |
Hurlstone Agricultural High School Glenfield |
15340 |
| Opitz, Alexandra |
Frensham School |
15020, 15090, 15140, 15170, 15270 |
NSW Government