| 14249 | O'Dea, Adrian | St Bernards College | Essendon | English | 47 |
| 14250 | O'Dea, Adrian | St Bernards College | Essendon | Studio Arts | 42 |
| 14251 | O'Dea, Catherine | Ave Maria College | Aberfeldie | Outdoor and Environmental Studies | 42 |
| 14252 | O'Donahoo, Georgia | Canterbury Girls Secondary College | Canterbury | Psychology | 48 |
| 14253 | O'Donahoo, Georgia | Canterbury Girls Secondary College | Canterbury | Health and Human Development | 44 |
| 14254 | O'Donnell, Jessica | St Michaels Grammar School | St Kilda | Design and Technology | 40 |
| 14255 | O'Donnell, John | Loyola College | Watsonia | IT Applications | 41 |
| 14256 | O'Donnell, Olivia | Canterbury Girls Secondary College | Canterbury | Media | 40 |
| 14257 | O'Donnell, Ronan | St Kevins College | Toorak | English | 48 |
| 14258 | O'Donnell, Ronan | St Kevins College | Toorak | Music Solo Performance | 45 |
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| 14259 | O'Donoghue, Jack | St Josephs College Geelong | Newtown | English | 41 |
| 14260 | O'Donoghue, Timothy | Galen College | Wangaratta | Business Management | 44 |
| 14261 | O'Donoghue, Timothy | Galen College | Wangaratta | Physical Education | 40 |
| 14262 | O'Donohoe, Tom | Trinity Grammar School | Kew | English | 43 |
| 14263 | O'Donohoe, Tom | Ruyton Girls School | Kew | History: Revolutions | 43 |
| 14264 | O'Donohoe, Tom | Trinity Grammar School | Kew | Chemistry | 40 |
| 14265 | O'Donohoe, Tom | Trinity Grammar School | Kew | History: Renaissance Italy | 40 |
| 14266 | O'Dowd, Joshua | Catholic Regional College Drysdale | Drysdale | Further Mathematics | 45 |
| 14267 | O'Dwyer, Daniel | Xavier College | Kew | Further Mathematics | 47 |
| 14268 | O'Dwyer, Daniel | Xavier College | Kew | Accounting | 42 |
| 14269 | O'Dwyer, Daniel | Xavier College | Kew | English | 40 |
| 14270 | O'Farrell, Jessica | Siena College | Camberwell | English | 45 |
| 14271 | O'Farrell, Jessica | Siena College | Camberwell | Psychology | 45 |
| 14272 | O'Farrell, Jessica | Siena College | Camberwell | Further Mathematics | 43 |
| 14273 | O'Farrell, Jessica | Siena College | Camberwell | Accounting | 40 |
| 14274 | O'Flaherty, Conor | Xavier College | Kew | Media | 40 |
| 14275 | O'Gorman, Jessica | Penleigh and Essendon Grammar School | Keilor East | Health and Human Development | 40 |
| 14276 | O'Gorman, Stuart | Ivanhoe Grammar School Plenty | Doreen | IT Applications | 43 |
| 14277 | O'Gorman, Stuart | Ivanhoe Grammar School Plenty | Doreen | Business Management | 42 |
| 14278 | O'Gorman, Stuart | Ivanhoe Grammar School Plenty | Doreen | Media | 41 |
| 14279 | O'Gorman, Stuart | Ivanhoe Grammar School Plenty | Doreen | English | 40 |
| 14280 | O'Halloran, Nicole | Our Lady of Sacred Heart College | Bentleigh | English | 40 |
| 14281 | O'Hanlon, Katherine | Ruyton Girls School | Kew | English | 43 |
| 14282 | O'Hanlon, Katherine | Ruyton Girls School | Kew | Art | 40 |
| 14283 | O'Hara, Amanda | Our Lady of Sacred Heart College | Bentleigh | Psychology | 46 |
| 14284 | O'Hara, Amanda | Our Lady of Sacred Heart College | Bentleigh | Health and Human Development | 45 |
| 14285 | O'Hara, Sean | St Kevins College | Toorak | History: Revolutions | 50 |
| 14286 | O'Heare-Young, Billie | University High School | Parkville | English | 44 |
| 14287 | O'Heare-Young, Billie | University High School | Parkville | Health and Human Development | 40 |
| 14288 | O'Heare-Young, Billie | University High School | Parkville | Literature | 40 |
| 14289 | O'Hehir, Briana | Korowa Anglican Girls School | Glen Iris | Art | 42 |
| 14290 | O'Keefe, Josh | Balwyn High School | Balwyn North | IT Applications | 41 |
| 14291 | O'Keefe, Meaghan | Catholic College Wodonga | Wodonga | Sociology | 42 |
| 14292 | O'Keefe, Stephanie | Sacred Heart College Geelong | Newtown | History: Revolutions | 40 |
| 14293 | O'Keeffe, James | Mazenod College | Mulgrave | Religion and Society | 40 |
| 14294 | O'Leary, Jaqueline | Emerald Secondary College | Emerald | Food and Technology | 45 |
| 14295 | O'Leary, Jaqueline | Emerald Secondary College | Emerald | Health and Human Development | 40 |
| 14296 | O'Leary, Kathleen | Northcote High School | Northcote | Studio Arts | 40 |
| 14297 | O'Leary, Kiara | North Geelong Secondary College | Geelong North | Further Mathematics | 42 |
| 14298 | O'Leary, Kiara | North Geelong Secondary College | Geelong North | Psychology | 41 |