| 13987 | Or, Hay Ying | Balwyn High School | Balwyn North | Further Mathematics | 45 |
| 13988 | Or, Hay Ying | Balwyn High School | Balwyn North | English as an Additional Language | 44 |
| 13989 | Ord, Samuel | Carey Baptist Grammar School | Kew | Further Mathematics | 42 |
| 13990 | Orel, Harvey | St Michaels Grammar School | St Kilda | Biology | 40 |
| 13991 | Orellana, Aaron | Wellington Secondary College | Mulgrave | Studio Arts | 40 |
| 13992 | Orfanidis, Steven | Penleigh and Essendon Grammar School | Keilor East | Physics | 45 |
| 13993 | Orfanidis, Steven | Penleigh and Essendon Grammar School | Keilor East | English | 44 |
| 13994 | Orfanidis, Steven | Penleigh and Essendon Grammar School | Keilor East | Chemistry | 43 |
| 13995 | Orfanidis, Steven | Penleigh and Essendon Grammar School | Keilor East | Mathematical Methods | 40 |
| 13996 | Orford, Stuart | The Geelong College | Newtown | Product Design and Technology | 40 |
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| 13997 | Oriley, Molly | Bendigo Senior Secondary College | Bendigo | Health and Human Development | 40 |
| 13998 | Orkibi, Luka | Warrandyte High School | Warrandyte | Interactive Digital Media (VCE VET) | 42 |
| 13999 | Ormrod, Ryan | Mount Evelyn Christian School | Mount Evelyn | Further Mathematics | 40 |
| 14000 | Orologas, Steven | Brentwood Secondary College | Glen Waverley | Physical Education | 41 |
| 14001 | Orologas, Steven | Brentwood Secondary College | Glen Waverley | Further Mathematics | 40 |
| 14002 | Orpin, Alexander | Yarra Valley Grammar School | Ringwood | Visual Communication Design | 47 |
| 14003 | Orpin, Holly | Yarra Valley Grammar School | Ringwood | Biology | 40 |
| 14004 | Orr, Leonie | Presbyterian Ladies College | Burwood | Legal Studies | 44 |
| 14005 | Orr, Lewis | Ballarat Grammar School | Wendouree | Further Mathematics | 41 |
| 14006 | Orr, Mark | Penleigh and Essendon Grammar School | Keilor East | Physical Education | 46 |
| 14007 | Orr, Mark | Penleigh and Essendon Grammar School | Keilor East | Further Mathematics | 42 |
| 14008 | Orritt, Nicholas | Braemar College | Woodend | Health and Human Development | 49 |
| 14009 | Orritt, Nicholas | Braemar College | Woodend | English | 42 |
| 14010 | Ors, Rabiya | Peninsula Grammar | Mount Eliza | Studio Arts | 47 |
| 14011 | Orzlowski, Vanessa | St Johns Regional College | Dandenong | Art | 50 |
| 14012 | Orzlowski, Vanessa | St Johns Regional College | Dandenong | Media | 44 |
| 14013 | Orzlowski, Vanessa | St Johns Regional College | Dandenong | Literature | 43 |
| 14014 | Osafo, Katherine | Lighthouse Christian College Cranbourne | Cranbourne | Legal Studies | 40 |
| 14015 | Osafo, Mark | Lighthouse Christian College Cranbourne | Cranbourne | Legal Studies | 40 |
| 14016 | Osborne, Emily | Lauriston Girls School | Armadale | English | 41 |
| 14017 | Osborne, Emily | Lauriston Girls School | Armadale | Studio Arts | 41 |
| 14018 | Osman, Iman | Northcote High School | Northcote | Product Design and Technology | 40 |
| 14019 | Osmand, Megan | Sale College | Sale | Further Mathematics | 46 |
| 14020 | Osmand, Megan | Sale College | Sale | Chemistry | 40 |
| 14021 | Ostrognay, Jessie | Red Cliffs Secondary College | Red Cliffs | Food and Technology | 41 |
| 14022 | Osunneye, Iseoluwa | Lighthouse Christian College | Keysborough | Further Mathematics | 40 |
| 14023 | Oswald, Reid | Mentone Grammar School | Mentone | Psychology | 42 |
| 14024 | Oswell, Sebastian | Wesley College Glen Waverley | Glen Waverley | Music Technical Production (VCE VET) | 44 |
| 14025 | Othman, Munir | Balwyn High School | Balwyn North | Further Mathematics | 42 |
| 14026 | Ottaway, Mitchell | Grovedale College | Grovedale | Sport and Recreation (VCE VET) | 44 |
| 14027 | Otter, Jack | Scotch College | Hawthorn | History: Revolutions | 47 |
| 14028 | Otter, Jack | Scotch College | Hawthorn | Australian History | 45 |
| 14029 | Otter, Jack | Scotch College | Hawthorn | English | 44 |
| 14030 | Ou, Lixin | McKinnon Secondary College | McKinnon | Mathematical Methods | 42 |
| 14031 | Ou, Lixin | McKinnon Secondary College | McKinnon | English as an Additional Language | 41 |
| 14032 | Overmars, Isabella | Siena College | Camberwell | Biology | 42 |
| 14033 | Oversby, Katia | Emmaus College | Vermont South | Biology | 44 |
| 14034 | Overton, Hamish | Scotch College | Hawthorn | Business Management | 43 |
| 14035 | Owe Young, Isabel | Princes Hill Secondary College | Princes Hill | Studio Arts | 42 |
| 14036 | Owen, Georgina | Genazzano F.C.J. College | Kew | English | 50 |
Last Updated: 18 May 2023