| Ooi, Shen-Ming, Melvin |
INTI International College Penang |
15050, 15250, 16150 |
| Ooi, Yoon Leng |
Bathurst High School |
15140, 15160, 15170, 15250, 15260 |
| Opperman, Lucinda Kristie |
MLC Burwood |
15180 |
| Or, Alison Yi-Ki |
Asquith Girls High School |
15240 |
| Orford, Sarah Anne |
Port Hacking High School |
15400 |
| Organ, George Choo |
Georges River College (Peakhurst Campus) |
15040 |
| Oribert, Medric Pierre |
Sydney Grammar School |
15240, 15680, 15710 |
| Orie, Nathan |
St Ignatius' College |
15240, 15250 |
| Oringo, Alfred |
Penrith High School |
15250, 15260 |
| Ormerod, Anneliese Clare |
St Ursula's College Kingsgrove |
15020, 15160 |
| Orr, Andrew Timothy |
Narrabri High School |
15250, 15260, 15270, 15290 |
| Orr, David John |
Corowa High School |
15040 |
| Orr, Matthew Ryan |
Caringbah High School |
15110, 15140, 15160, 15190, 15240, 15250 |
| Osborn, Louise Rae |
Muswellbrook High School |
15040 |
| Osborne, Daniel |
St Ignatius' College |
15040 |
| Osborne, De-Anne Shirley Amy |
Terrigal High School |
15180 |
| Osborne, Tegan Lee |
Belmont High School |
15030, 15160, 15170 |
| Oscuro, Julie |
St George Girls High School Kogarah |
15240, 15250, 15900 |
| Oshana, Ilona |
Cecil Hills High School |
15240, 15250, 15710, 15720 |
| Osmakoff, Vasily |
Baulkham Hills High School |
15250, 15260 |
| Osman, Ahmed |
Birrong Boys High School |
15510 |
| Osman, Khaled Mohamad |
Holroyd High School |
15240, 15250, 15510, 15520, 15670 |
| Osman, Marwa |
Beverly Hills Girls High School |
15510 |
| Osmond, Kelly Erin |
Kiama High School |
15000, 15220, 15240 |
| Osmond, Simon Edward |
Sydney Grammar School |
15240, 15330 |
| Ossher, Daniel Brett |
Sydney Boys High School |
15040, 15110, 15160, 15240, 15250, 15680 |
| Osstyn, Luc Richard |
Tomaree High School |
15670 |
| Ostroumov, Viatcheslav |
Waverley College Our Lady's Mount |
15250, 15330 |
| Ott, Emily Christina |
Queenwood School for Girls |
15280 |
| Ouano, Edelyn Pia |
St Andrews College |
15250, 15260 |
| Ouyang, Ning Feng |
Macquarie Fields High School |
15240 |
| Ovenden, James Bradley |
Dubbo School of Distance Education |
15230 |
| Overs, Shannon Elise |
Crestwood High School |
15180 |
| Overton, Lauren Jane |
Loreto Normanhurst |
15040, 15310 |
| Ovnerud, Lucinda |
Kambala |
15040 |
| Owen, Clair |
William Branwhite Clarke College |
15250 |
| Owen, Jessica Marie |
North Sydney Girls High School |
15240, 15250, 15400 |
| Owen, Nadia |
Wenona School North Sydney |
15160, 15680, 15690 |
| Owens, Clare |
Trinity Catholic College Lismore |
15140, 15240, 15250 |
| Ozturk, Bilge-Kagan |
Randwick Boys High School |
15040, 15250 |
| Ozturk, Serkan |
Randwick Boys High School |
15280 |
NSW Government