| Oliver, Michael David |
Normanhurst Boys High School |
15320 |
| Oliver, Sandra |
Scone Grammar School |
15230 |
| Oliver, Thomas Sidney Newton |
Macarthur Anglican School |
15100, 15220 |
| Olivey, Mitchell |
Rooty Hill High School |
15320 |
| Olivieri, Ana |
Domremy College |
15390 |
| Olrich, Kiara |
PLC Armidale |
15330 |
| Olsen, Megan |
Lumen Christi Catholic College |
15230 |
| Olson, Nicholas |
Sydney Grammar School |
15020, 15140, 15160, 15280, 15580, 15590, 15900, 15910 |
| Omar, Andrew Felixson |
IPEKA INTERNATIONAL Christian School |
15240 |
| Omar, Samir |
Sydney Institute - Ultimo Campus |
15250 |
| Omeros, Seva |
East Hills Girls Technology High School |
15020, 15090, 15140, 15350 |
| Omidvar, Ladan |
Chatswood High School |
15200, 15220, 15270, 15280 |
| Ong, Alex |
Sydney Technical High School Bexley |
15240, 15360 |
| Ong, Christian Henry |
Sydney Technical High School Bexley |
15140, 15240, 15250 |
| Ong, Cynthia Shing Chieh |
James Ruse Agricultural High School |
15140, 15160, 15250 |
| Ong, Cynthia Yen Li |
Sydney Girls High School |
15240, 15250 |
| Ong, Danny |
Caringbah High School |
15220, 15250, 15260 |
| Ong, Emily |
MLC Burwood |
15040 |
| Ong, Hui Wen |
Carlingford High School |
15820 |
| Ong, Meyvian |
St Catherine's School |
15300 |
| Ong, Percy |
Fairfield High School |
15240 |
| Ong, Roger Matthew |
Killara High School |
15250 |
| Ongel, Sibel |
Georges River College, Oatley Senior Campus |
15040 |
| Ono, Erina |
Blakehurst High School |
15830, 15850 |
| Ono, Mayuko Michelle |
Abbotsleigh |
15320, 15830, 15850 |
| Onslow-Smith, Sachi Rose |
Springwood High School |
15230, 15830 |
| Oo, Alex Aung |
North Sydney Boys High School |
15110, 15140, 15240, 15270 |
| Ooi, Jian-Long |
James Ruse Agricultural High School |
15190, 15250 |
| Ooi, Sacha Tang Ling |
Sydney Girls High School |
15050, 15110, 15240, 15270 |
| Ooi, Sara |
North Sydney Girls High School |
15210 |
| Or, Anita |
Rosebank College |
15240 |
| Ord, Georgina |
Pymble Ladies' College |
15040 |
| Ordonez, Paula |
Cherrybrook Technology High School |
15040, 15220, 15230 |
| Orecchio, Jessica Lauren |
All Saints Catholic Senior College |
15140, 15350, 15380 |
| Orefice, Anthony |
De La Salle College, Cronulla |
15020, 15220, 15370 |
| Orford, Jack Tyler |
Kotara High School |
15240, 15250, 15330 |
| Orman, Matthew Francis |
Nambucca Heads High School |
15050, 15140, 15250, 15260, 15270, 15330 |
| Ormanci, Jasmine |
Brigidine College Randwick |
15180 |
| Orme, Katherine Louisa |
Santa Sabina College |
15380 |
| Ormiston, Jade Bianca |
Abbotsleigh |
15090 |
| Orozovic, Ognjen |
Whitebridge High School |
15240, 15250 |
| Orr, Nicole Elizabeth |
Narrabri High School |
15240, 15290 |
| Orren, Alison Jane |
Terrigal High School |
15090, 15140 |
| Orsborn, Dylan James |
Caringbah High School |
15710 |
| Ortado, Kelly |
Marist Sisters' College Woolwich |
15020, 15040, 15370 |
| Ortega, Hugo Andres |
Patrician Brothers' College Fairfield |
15320 |
| Orth, Kyle Nicholas |
Normanhurst Boys High School |
15240, 15360 |
| Osborn, Hayley |
Figtree High School |
15320 |
NSW Government