| 12966 | O'NEILL, Thomas Joseph Aymar | Melbourne Grammar School | Melbourne | Philosophy | 44 |
| 12967 | O'NEILL, Thomas Joseph Aymar | Melbourne Grammar School | Melbourne | Literature | 42 |
| 12968 | O'NEILL, Zoe Margaret | Mentone Girls Secondary College | Mentone | Psychology | 44 |
| 12969 | O'REILLY, Jarrod Dean | Haileybury College | Keysborough | Further Mathematics | 41 |
| 12970 | O'SHEA, Alison Faith | Sandringham College | Sandringham | Sociology | 42 |
| 12971 | O'SHEA, Lily Kate | Loreto College | Ballarat | Health and Human Development | 40 |
| 12972 | O'SHEA-CARRE, Lucy May | Girton Grammar School | Bendigo | Literature | 46 |
| 12973 | O'SHEA-CARRE, Lucy May | Girton Grammar School | Bendigo | History: Revolutions | 42 |
| 12974 | O'SULLIVAN, Alice Antonia Mckay | Cornish College | Bangholme | Further Mathematics | 41 |
| 12975 | O'SULLIVAN, Alice Antonia Mckay | Cornish College | Bangholme | Studio Arts | 40 |
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| 12976 | O'SULLIVAN, Finn Patrick | St Kevins College | Toorak | English | 42 |
| 12977 | O'SULLIVAN, Jeremy Patrick Pierce | St Bernards College | Essendon | Biology | 41 |
| 12978 | O'SULLIVAN, Matthew John | Ballarat Grammar School | Wendouree | Biology | 43 |
| 12979 | O'SULLIVAN, Matthew John | Ballarat Grammar School | Wendouree | Physics | 43 |
| 12980 | O'SULLIVAN, Matthew John | Ballarat Grammar School | Wendouree | Chemistry | 42 |
| 12981 | O'SULLIVAN, Matthew John | Ballarat Grammar School | Wendouree | Mathematical Methods | 41 |
| 12982 | O'SULLIVAN, Meg Alexandra | Star of the Sea College | Brighton | Psychology | 44 |
| 12983 | O'SULLIVAN, Meg Alexandra | Star of the Sea College | Brighton | History: Revolutions | 43 |
| 12984 | O'SULLIVAN, Meg Alexandra | Star of the Sea College | Brighton | English | 42 |
| 12985 | O'SULLIVAN, Ned Alexander | Xavier College | Kew | Further Mathematics | 42 |
| 12986 | O'TOOLE, Angus William | St Bedes College | Mentone | Biology | 41 |
| 12987 | O'TOOLE, Jack Sydney | Gippsland Grammar | Sale | Outdoor and Environmental Studies | 40 |
| 12988 | OAKLEY, Jazmin Michelle | Our Lady of Sacred Heart College | Bentleigh | Community Services (VCE VET) | 40 |
| 12989 | OAKLEY, Joanna Yvonne | Luther College | Croydon Hills | Psychology | 50 |
| 12990 | OAKLEY, Joanna Yvonne | Luther College | Croydon Hills | History: Revolutions | 48 |
| 12991 | OAKLEY, Joanna Yvonne | Luther College | Croydon Hills | English | 47 |
| 12992 | OAKLEY, Joanna Yvonne | Luther College | Croydon Hills | Literature | 42 |
| 12993 | OAKLEY, Sapphire Skye | Rosebud Secondary College | Rosebud | English | 44 |
| 12994 | OAKLEY, Sapphire Skye | Rosebud Secondary College | Rosebud | History: Revolutions | 41 |
| 12995 | OATLEY, Anke Ruth | Presbyterian Ladies College | Burwood | Physics | 44 |
| 12996 | OATLEY, Anke Ruth | Presbyterian Ladies College | Burwood | English | 43 |
| 12997 | OATLEY, Anke Ruth | Presbyterian Ladies College | Burwood | Languages: German | 42 |
| 12998 | OATLEY, Anke Ruth | Presbyterian Ladies College | Burwood | Chemistry | 40 |
| 12999 | OATLEY, Anke Ruth | Presbyterian Ladies College | Burwood | Mathematical Methods | 40 |
| 13000 | OBEROI, Kunind Pal Singh | St Josephs College Mildura | Mildura | English | 41 |
| 13001 | OBEROI, Kunind Pal Singh | St Josephs College Mildura | Mildura | Chemistry | 40 |
| 13002 | OCHSENBEIN, Charlotte Eliza | St Pauls Anglican Grammar School | Warragul | Product Design and Technology | 42 |
| 13003 | ODISHO, Ramin | Buckley Park College | Essendon | Chemistry | 50 |
| 13004 | ODISHO, Ramin | Buckley Park College | Essendon | Biology | 44 |
| 13005 | ODRIA, Elizabeth Vanessa | Koonung Secondary College | Mont Albert North | Mathematical Methods | 40 |
| 13006 | OEHLMANN, Sophie Louise | Brunswick Secondary College | Brunswick | Product Design and Technology | 50 |
| 13007 | OEHLMANN, Sophie Louise | Brunswick Secondary College | Brunswick | Further Mathematics | 40 |
| 13008 | OEHLMANN, Sophie Louise | Brunswick Secondary College | Brunswick | Psychology | 40 |
| 13009 | OFFICER, Charlie | Mentone Grammar School | Mentone | Physical Education | 44 |
| 13010 | OGDEN, Gabrielle Louise | Padua College | Mornington | Agricultural and Horticultural Studies | 45 |
| 13011 | OGIER, Ella Helene | Yarra Valley Grammar School | Ringwood | Further Mathematics | 41 |
| 13012 | OJHA, Nitya | Nossal High School | Berwick | Biology | 42 |
| 13013 | OJHA, Nitya | Nossal High School | Berwick | Further Mathematics | 42 |
| 13014 | OKA, Sachi Keolani | Caulfield Grammar School Wheelers Hill | Wheelers Hill | English | 41 |
| 13015 | OLALEKAN, Oluwaremi Jade | Salesian College Sunbury | Sunbury | English | 42 |