| 14305 | O'Loughlin, Bridget | Our Lady of Sion College | Box Hill | Drama | 41 |
| 14306 | O'Loughlin, Erin | Bendigo Senior Secondary College | Bendigo | Design and Technology | 44 |
| 14307 | O'Loughlin, Samuel | St Kevins College | Toorak | English | 42 |
| 14308 | O'Malley, David | Frankston High School | Frankston | Business Management | 40 |
| 14309 | O'Malley, Kieran | St Kevins College | Toorak | Business Management | 41 |
| 14310 | O'Meara, Clare | Penleigh and Essendon Grammar School | Keilor East | English | 50 |
| 14311 | O'Meara, Clare | Penleigh and Essendon Grammar School | Keilor East | History: Revolutions | 46 |
| 14312 | O'Meara, Clare | Penleigh and Essendon Grammar School | Keilor East | Literature | 45 |
| 14313 | O'Meara, Clare | Penleigh and Essendon Grammar School | Keilor East | National Politics | 43 |
| 14314 | O'Meara, Melissa | Salesian College Sunbury | Sunbury | Health and Human Development | 43 |
| |
|||||
| 14315 | O'Meara, Melissa | Salesian College Sunbury | Sunbury | Psychology | 40 |
| 14316 | O'Meara, Sylvester | Melbourne Grammar School | Melbourne | Physical Education | 41 |
| 14317 | O'Neil, Zachary | St Josephs College Geelong | Newtown | Business Management | 45 |
| 14318 | O'Neil, Zachary | St Josephs College Geelong | Newtown | Further Mathematics | 44 |
| 14319 | O'Neil, Zachary | St Josephs College Geelong | Newtown | Economics | 41 |
| 14320 | O'Neill, Elsie | Braemar College | Woodend | English | 41 |
| 14321 | O'Neill, James | St Josephs College Ferntree Gully | Ferntree Gully | Studio Arts | 41 |
| 14322 | O'Neill, James | St Josephs College Ferntree Gully | Ferntree Gully | Psychology | 40 |
| 14323 | O'Neill, James | St Josephs College Ferntree Gully | Ferntree Gully | Visual Communication Design | 40 |
| 14324 | O'Neill, Jaynaya | Frankston High School | Frankston | Media | 47 |
| 14325 | O'Neill, Lucy | Bellarine Secondary College | Drysdale | Outdoor and Environmental Studies | 43 |
| 14326 | O'Neill, Madison | Mentone Girls Secondary College | Mentone | Biology | 40 |
| 14327 | O'Neill, Molly | Ruyton Girls School | Kew | Literature | 50 |
| 14328 | O'Neill, Molly | Ruyton Girls School | Kew | English | 49 |
| 14329 | O'Neill, Molly | Ruyton Girls School | Kew | Biology | 42 |
| 14330 | O'Neill, Molly | Ruyton Girls School | Kew | History: Revolutions | 41 |
| 14331 | O'Neill, Nathan | Peninsula Grammar | Mount Eliza | English | 48 |
| 14332 | O'Neill, Olivia | Star of the Sea College | Brighton | Further Mathematics | 40 |
| 14333 | O'Neill, Riley | Echuca High School | Echuca | Health and Human Development | 42 |
| 14334 | O'Neill, Vyasa | Eltham High School | Eltham | English | 42 |
| 14335 | O'Neill, Vyasa | Eltham High School | Eltham | Physics | 41 |
| 14336 | O'Regan, Jamie | Marcellin College | Bulleen | Physical Education | 43 |
| 14337 | O'Reilly, Claire | Clonard College | Herne Hill | Accounting | 41 |
| 14338 | O'Reilly, Owen | Wesley College St Kilda Rd | Melbourne | Health and Human Development | 47 |
| 14339 | O'Reilly, Owen | Wesley College St Kilda Rd | Melbourne | Biology | 46 |
| 14340 | O'Reilly, Owen | Wesley College St Kilda Rd | Melbourne | English | 41 |
| 14341 | O'Reilly, Owen | Wesley College St Kilda Rd | Melbourne | Chemistry | 40 |
| 14342 | O'Rourke, Julienne | Genazzano F.C.J. College | Kew | Health and Human Development | 42 |
| 14343 | O'Rourke, Matthew | Xavier College | Kew | English | 44 |
| 14344 | O'Shannessy, Alexander | Scotch College | Hawthorn | English | 40 |
| 14345 | O'Shannessy, Eloise | Siena College | Camberwell | Business Management | 40 |
| 14346 | O'Shannessy, James | MacKillop Catholic Regional College | Werribee | IT Applications | 40 |
| 14347 | O'Shea, Anthony | Mazenod College | Mulgrave | Business Management | 43 |
| 14348 | O'Shea, Anthony | Mazenod College | Mulgrave | English | 41 |
| 14349 | O'Shea, Anthony | Mazenod College | Mulgrave | History: Revolutions | 41 |
| 14350 | O'Shea, Benjamin | St Kevins College | Toorak | Mathematical Methods | 41 |
| 14351 | O'Sullivan, Bessie | Genazzano F.C.J. College | Kew | Health and Human Development | 42 |
| 14352 | O'Sullivan, Clive | Xavier College | Kew | Physical Education | 40 |
| 14353 | O'Sullivan, Dominic | Xavier College | Kew | Geography | 50 |
| 14354 | O'Sullivan, Dominic | Xavier College | Kew | English | 44 |