| 14328 | Ong, Van | Keysborough Secondary College Banksia | Springvale South | Further Mathematics | 49 |
| 14329 | Ong, Van | Melbourne Chinese Ethnic School | Wantirna | Languages: Chinese Second Language | 43 |
| 14330 | Ong, Van | Keysborough Secondary College Banksia | Springvale South | Chemistry | 41 |
| 14331 | Ong, Xin Han | Mount Waverley Secondary College | Mount Waverley | Specialist Mathematics | 43 |
| 14332 | Ong, Xin Han | Mount Waverley Secondary College | Mount Waverley | Physics | 40 |
| 14333 | Ong, Xuan Rui | Mazenod College | Mulgrave | English | 40 |
| 14334 | Ong, Xuan Rui | Mazenod College | Mulgrave | Mathematical Methods (CAS) | 40 |
| 14335 | Ong, Ying-Ru | Haileybury College | Keysborough | Geography | 45 |
| 14336 | Ongoco, Charisse | Sacred Heart Girls College | Hughesdale | Health and Human Development | 49 |
| 14337 | Ongoco, Charisse | Sacred Heart Girls College | Hughesdale | Legal Studies | 46 |
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| 14338 | Ongoco, Charisse | Sacred Heart Girls College | Hughesdale | English | 42 |
| 14339 | Onopriyenko, Evelina | Caulfield Grammar School Caulfield | St Kilda East | Legal Studies | 42 |
| 14340 | Onopriyenko, Evelina | Caulfield Grammar School Caulfield | St Kilda East | Mathematical Methods (CAS) | 41 |
| 14341 | Ooi, E-Hong | Box Hill High School | Box Hill | Chemistry | 46 |
| 14342 | Ooi, E-Hong | Box Hill High School | Box Hill | Accounting | 41 |
| 14343 | Ooi, James | Trinity Grammar School | Kew | English | 50 |
| 14344 | Ooi, James | Trinity Grammar School | Kew | Physics | 48 |
| 14345 | Ooi, James | Trinity Grammar School | Kew | Biology | 46 |
| 14346 | Ooi, James | Trinity Grammar School | Kew | Chemistry | 46 |
| 14347 | Ooi, James | Trinity Grammar School | Kew | Specialist Mathematics | 45 |
| 14348 | Ooi, Lucas | Caulfield Grammar School Wheelers Hill | Wheelers Hill | Specialist Mathematics | 40 |
| 14349 | Opanayaka, Dasun | Haileybury College | Keysborough | IT Applications | 40 |
| 14350 | Opanayaka, Wasundara | Haileybury Girls College | Keysborough | Legal Studies | 41 |
| 14351 | Oporek, Edith | Nazareth College | Noble Park North | Visual Communication Design | 42 |
| 14352 | Oppy, Calvin | Glen Waverley Secondary College | Glen Waverley | History: Revolutions | 41 |
| 14353 | Opray, Jake | Leongatha Secondary College | Leongatha | English | 41 |
| 14354 | Opt Hoog, Cale | Mazenod College | Mulgrave | History: Revolutions | 45 |
| 14355 | Opt Hoog, Cale | Mazenod College | Mulgrave | Religion and Society | 41 |
| 14356 | Orchard, Laura | Lavalla Catholic College | Traralgon | IT Applications | 43 |
| 14357 | Ore, Adeshola | Strathmore Secondary College | Strathmore | Psychology | 50 |
| 14358 | Ore, Adeshola | Strathmore Secondary College | Strathmore | English | 44 |
| 14359 | Orenstein, Nathan | Leibler Yavneh College | Elsternwick | Psychology | 40 |
| 14360 | Orford, Miranda | Geelong Grammar School | Corio | English | 41 |
| 14361 | Organtzoglou, Mia | Luther College | Croydon Hills | Design and Technology | 42 |
| 14362 | Oriander, Felicity | Methodist Ladies College | Kew | Studio Arts | 44 |
| 14363 | Origlia, Rebecca | Ave Maria College | Aberfeldie | Studio Arts | 42 |
| 14364 | Orive, Emily | Strathcona Girls Grammar School | Canterbury | Equine Industry (VCE VET) | 45 |
| 14365 | Orlando, Patrick | De La Salle College | Malvern | Mathematical Methods (CAS) | 42 |
| 14366 | Orlando, Patrick | De La Salle College | Malvern | English | 41 |
| 14367 | Orlando, Patrick | De La Salle College | Malvern | Physics | 40 |
| 14368 | Ormsby, Sarah | Melbourne Girls College | Richmond | English Language | 41 |
| 14369 | Oroszvary, Seren | Toorak College | Mount Eliza | Drama | 45 |
| 14370 | Orr, Georgina | Haileybury Girls College | Keysborough | English | 41 |
| 14371 | Orr, Joshua | Damascus College | Mount Clear | Systems Engineering | 42 |
| 14372 | Orsini, Monique | Red Cliffs Secondary College | Red Cliffs | Further Mathematics | 42 |
| 14373 | Ortisi, Adrian | Marcellin College | Bulleen | Accounting | 43 |
| 14374 | Ortisi, Adrian | Marcellin College | Bulleen | Further Mathematics | 42 |
| 14375 | Orton, Jack | Myrtleford P-12 College | Myrtleford | Further Mathematics | 45 |
| 14376 | Osborn, Millicent | Ballarat Grammar School | Wendouree | Further Mathematics | 47 |
| 14377 | Osborn, Millicent | Ballarat Grammar School | Wendouree | English Language | 44 |