| 12608 | ONG, Kwan Sheng | Balwyn High School | Balwyn North | Specialist Mathematics | 41 |
| 12609 | ONG, Kwan Sheng | Balwyn High School | Balwyn North | English as an Additional Language | 40 |
| 12610 | ONG, Nicholas Zhi Yang | Balwyn High School | Balwyn North | Biology | 43 |
| 12611 | ONG, Nicholas Zhi Yang | Balwyn High School | Balwyn North | English Language | 40 |
| 12612 | ONG, Quang | John Monash Science School | Clayton | Mathematical Methods | 42 |
| 12613 | ONG, Ryan Zhen-Jie | Waverley Christian College Wantirna South | Wantirna South | Software Development | 41 |
| 12614 | ONG, Yu Yen | Box Hill High School | Box Hill | English as an Additional Language | 42 |
| 12615 | ONORI, Genevieve Katia | St Columbas College | Essendon | Art | 43 |
| 12616 | ONORI, Genevieve Katia | St Columbas College | Essendon | Media | 43 |
| 12617 | ONUR, Nisa Sevval | Sirius College Broadmeadows Campus | Broadmeadows | Languages: Turkish | 46 |
| |
|||||
| 12618 | OO, Kyi Thwe Kate | MacRobertson Girls High School | Melbourne | Literature | 40 |
| 12619 | OOGATHOO, Mahishee | St Francis Xavier College | Beaconsfield | English | 41 |
| 12620 | OOI, Angeline | Glen Waverley Secondary College | Glen Waverley | Chemistry | 46 |
| 12621 | OOI, Angeline | Glen Waverley Secondary College | Glen Waverley | English | 46 |
| 12622 | OOI, Angeline | Glen Waverley Secondary College | Glen Waverley | Mathematical Methods | 45 |
| 12623 | OOI, Angeline | Glen Waverley Secondary College | Glen Waverley | Physics | 41 |
| 12624 | OOI, Joshua Sun Yue | Mount Waverley Secondary College | Mount Waverley | Physical Education | 40 |
| 12625 | OPAT, Ariella Yehudit | The King David School | Armadale | Health and Human Development | 45 |
| 12626 | OPAT, Linus Robert | Camberwell Grammar School | Canterbury | English | 41 |
| 12627 | OPAT, Linus Robert | Camberwell Grammar School | Canterbury | Languages: French | 41 |
| 12628 | OPDAM, Charlotte Amy | Highvale Secondary College | Glen Waverley | Further Mathematics | 47 |
| 12629 | OPDAM, Charlotte Amy | Highvale Secondary College | Glen Waverley | Accounting | 40 |
| 12630 | OPDAM, Charlotte Amy | Highvale Secondary College | Glen Waverley | English Language | 40 |
| 12631 | OPDAM, Matthew Nicholas | Highvale Secondary College | Glen Waverley | Media | 40 |
| 12632 | OPIE, Nicholas | Mentone Grammar School | Mentone | Legal Studies | 40 |
| 12633 | OPRESNIK, Annalise Claire | Wanganui Park Secondary College | Shepparton | Psychology | 40 |
| 12634 | OQUELI AMBROSE, Kristian Franz | Loyola College | Watsonia | Creative and Digital Media (VCE VET) | 46 |
| 12635 | ORCHARD, Isaac Luke | Suzanne Cory High School | Werribee | Media | 42 |
| 12636 | ORCHARD, Isaac Luke | Suzanne Cory High School | Werribee | English | 41 |
| 12637 | ORCHARD, Jonathan Andrew | Suzanne Cory High School | Werribee | English | 40 |
| 12638 | ORELLI, Emma Katherine | Strathcona Girls Grammar School | Canterbury | Health and Human Development | 45 |
| 12639 | ORELLI, Emma Katherine | Strathcona Girls Grammar School | Canterbury | Further Mathematics | 44 |
| 12640 | ORELLI, Emma Katherine | Strathcona Girls Grammar School | Canterbury | Psychology | 43 |
| 12641 | ORELLI, Emma Katherine | Strathcona Girls Grammar School | Canterbury | Physical Education | 41 |
| 12642 | ORELOWITZ, Jaime Arin | Bialik College | Hawthorn | English | 47 |
| 12643 | ORELOWITZ, Jaime Arin | Bialik College | Hawthorn | Accounting | 43 |
| 12644 | ORELOWITZ, Jaime Arin | Bialik College | Hawthorn | Physics | 43 |
| 12645 | ORFALI, Claire Aimee | St Columbas College | Essendon | Health and Human Development | 44 |
| 12646 | ORLANDO, Luca | Buckley Park College | Essendon | English | 40 |
| 12647 | ORR, Thomas Bradley | Penleigh and Essendon Grammar School | Keilor East | Further Mathematics | 42 |
| 12648 | ORSULIC, Daniela Ivana | Wesley College St Kilda Rd | Melbourne | Philosophy | 43 |
| 12649 | ORTLAND, Keely Renee | Kilbreda College | Mentone | Health and Human Development | 42 |
| 12650 | ORZESZKO, Emily Paige | Catholic College Wodonga | Wodonga | Health and Human Development | 42 |
| 12651 | ORZESZKO, Emily Paige | Catholic College Wodonga | Wodonga | Further Mathematics | 40 |
| 12652 | OSAVKOV, Mila | Victorian School of Languages | Thornbury | Languages: Macedonian | 42 |
| 12653 | OSBORN, William Harwood Mann | Emmaus College | Vermont South | English | 40 |
| 12654 | OSBORNE, Isabella Amy | St Leonards College | Brighton East | English | 46 |
| 12655 | OSBORNE, Isabella Amy | St Leonards College | Brighton East | Business Management | 44 |
| 12656 | OSBORNE, Isabella Amy | St Leonards College | Brighton East | Legal Studies | 42 |
| 12657 | OSBORNE, Nicole Jane | Kardinia International College | Bell Post Hill | Further Mathematics | 42 |