| 13963 | Ong, Michelle | Wellington Secondary College | Mulgrave | Biology | 43 |
| 13964 | Ong, Michelle | Wellington Secondary College | Mulgrave | Psychology | 41 |
| 13965 | Ong, Rebecca | Camberwell Girls Grammar School | Canterbury | Mathematical Methods | 45 |
| 13966 | Ong, Vanessa | East Doncaster Secondary College | Doncaster East | Physical Education | 43 |
| 13967 | Ong, Vanessa | East Doncaster Secondary College | Doncaster East | Psychology | 42 |
| 13968 | Ong, Wen Ping | Presbyterian Ladies College | Burwood | Economics | 42 |
| 13969 | Ong, Wen Ping | Presbyterian Ladies College | Burwood | English | 42 |
| 13970 | Ong-Thomson, Mitchell | Melbourne High School | South Yarra | Psychology | 45 |
| 13971 | Onley, Isabelle | Sale College | Sale | English | 42 |
| 13972 | Ooi, Lucas | Caulfield Grammar School Wheelers Hill | Wheelers Hill | Physics | 48 |
| |
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| 13973 | Ooi, Lucas | Caulfield Grammar School Wheelers Hill | Wheelers Hill | Chemistry | 47 |
| 13974 | Ooi, Lucas | Caulfield Grammar School Wheelers Hill | Wheelers Hill | Specialist Mathematics | 45 |
| 13975 | Ooi, Lucas | Caulfield Grammar School Wheelers Hill | Wheelers Hill | English | 41 |
| 13976 | Oommen, Sharon | Buckley Park College | Essendon | English as an Additional Language | 44 |
| 13977 | Oommen, Sharon | Buckley Park College | Essendon | Specialist Mathematics | 43 |
| 13978 | Oommen, Sharon | Buckley Park College | Essendon | Physics | 42 |
| 13979 | Opie, Jaeme | Melbourne Girls College | Richmond | History: Revolutions | 43 |
| 13980 | Opie, Jaeme | Melbourne Girls College | Richmond | English | 41 |
| 13981 | Oppedisano, Jeremy | Melbourne High School | South Yarra | English | 45 |
| 13982 | Oppedisano, Jeremy | Melbourne High School | South Yarra | Legal Studies | 41 |
| 13983 | Oppy, Alfred | Glen Waverley Secondary College | Glen Waverley | Physical Education | 47 |
| 13984 | Oppy, Alfred | Glen Waverley Secondary College | Glen Waverley | History: Revolutions | 43 |
| 13985 | Oppy, Maxim | St Kevins College | Toorak | Business Management | 42 |
| 13986 | Opt Hoog, Finn | Mazenod College | Mulgrave | Global Politics | 42 |
| 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 |
| 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 |