| 13318 | OBRIEN, Joel Adam | Geelong High School | East Geelong | Business Management | 46 |
| 13319 | OCAMPO, Nicholas Adam | Suzanne Cory High School | Werribee | Health and Human Development | 40 |
| 13320 | OCKENDEN, Natasha Mary | Our Lady of Sacred Heart College | Bentleigh | English as an Additional Language | 48 |
| 13321 | ODE-SMITH, Chris | Balwyn High School | Balwyn North | Business Management | 40 |
| 13322 | ODROWAZ, Aleksandra Maria | Avila College | Mount Waverley | English | 45 |
| 13323 | ODROWAZ, Aleksandra Maria | Avila College | Mount Waverley | Religion and Society | 44 |
| 13324 | OERTEL, Timothy | Waverley Christian College Wantirna South | Wantirna South | Psychology | 47 |
| 13325 | OEUM, Clarissa | Killester College | Springvale | Psychology | 42 |
| 13326 | OEUM, Michelle | MacRobertson Girls High School | Melbourne | Physics | 44 |
| 13327 | OEUM, Michelle | MacRobertson Girls High School | Melbourne | Chemistry | 40 |
| |
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| 13328 | OFLAY, Talia Esra | Ivanhoe Girls Grammar School | Ivanhoe | English | 50 |
| 13329 | OGHANNA, Maren | Ivanhoe Grammar School Plenty | Doreen | Physics | 42 |
| 13330 | OGHANNA, Maren | Ivanhoe Grammar School Plenty | Doreen | English | 41 |
| 13331 | OGLOFF, Karena Marie | Balwyn High School | Balwyn North | Psychology | 42 |
| 13332 | OGLOFF, Karena Marie | Balwyn High School | Balwyn North | Legal Studies | 40 |
| 13333 | OGUZHAN, Fatih | Doncaster Secondary College | Doncaster | English | 43 |
| 13334 | OGUZHAN, Fatih | Doncaster Secondary College | Doncaster | Media | 42 |
| 13335 | OH, Kevin Wee Shan | Melbourne Grammar School | Melbourne | English | 40 |
| 13336 | OHLSON, Chelsea Elisabeth | Emmaus College | Vermont South | Geography | 48 |
| 13337 | OHRI, Seerat | Genazzano F.C.J. College | Kew | Business Management | 44 |
| 13338 | OIRBANS, Leah | Avila College | Mount Waverley | English | 42 |
| 13339 | OJA, Karl-Erik | Keilor Downs College | Keilor Downs | Mathematical Methods (CAS) | 45 |
| 13340 | OJA, Karl-Erik | Keilor Downs College | Keilor Downs | Physics | 41 |
| 13341 | OKEY, Jade Madeline | Salesian College Sunbury | Sunbury | Media | 42 |
| 13342 | OKTAY, Martin | Loyola College | Watsonia | IT Applications | 41 |
| 13343 | OKUMURA, Waka | Westbourne Grammar School | Truganina | English | 40 |
| 13344 | OLASOJI, Daniel Adeola | St Johns Regional College | Dandenong | Literature | 45 |
| 13345 | OLASOJI, Daniel Adeola | St Johns Regional College | Dandenong | Texts and Traditions | 42 |
| 13346 | OLASOJI, Daniel Adeola | St Johns Regional College | Dandenong | Business Management | 40 |
| 13347 | OLBINSKI, Erick | St Bedes College | Mentone | Psychology | 41 |
| 13348 | OLD, Chelsi | St Augustines College | Kyabram | Outdoor and Environmental Studies | 44 |
| 13349 | OLDFIELD, James Gary | Princes Hill Secondary College | Princes Hill | History: Revolutions | 41 |
| 13350 | OLDJOHN, Victoria May | Frankston High School | Frankston | Sport and Recreation (VCE VET) | 43 |
| 13351 | OLDJOHN, Victoria May | Frankston High School | Frankston | Physical Education | 40 |
| 13352 | OLDS, Courtney Paige | Killester College | Springvale | Visual Communication Design | 45 |
| 13353 | OLEINIKOV, Julia | Ivanhoe Girls Grammar School | Ivanhoe | History: Revolutions | 42 |
| 13354 | OLEINIKOV, Julia | Ivanhoe Girls Grammar School | Ivanhoe | English | 40 |
| 13355 | OLIJNYK, Alexandra | Shelford Girls Grammar | Caulfield | Literature | 45 |
| 13356 | OLIJNYK, Alexandra | Shelford Girls Grammar | Caulfield | English | 43 |
| 13357 | OLIJNYK, Alexandra | Shelford Girls Grammar | Caulfield | Psychology | 43 |
| 13358 | OLIJNYK, Alexandra | Shelford Girls Grammar | Caulfield | Music Performance | 41 |
| 13359 | OLIVER, Ashleigh Margaret | Ivanhoe Girls Grammar School | Ivanhoe | Health and Human Development | 45 |
| 13360 | OLIVER, Ashleigh Margaret | Ivanhoe Girls Grammar School | Ivanhoe | Physical Education | 44 |
| 13361 | OLIVER, Ashleigh Margaret | Ivanhoe Girls Grammar School | Ivanhoe | Geography | 43 |
| 13362 | OLIVER, Ashleigh Margaret | Ivanhoe Girls Grammar School | Ivanhoe | Further Mathematics | 40 |
| 13363 | OLIVER, Eliza May | Our Lady of Sion College | Box Hill | Food and Technology | 45 |
| 13364 | OLIVER, Peyton Louise | Manangatang P-12 College | Manangatang | Business Management | 42 |
| 13365 | OLIVER, Thomas William | Camberwell Grammar School | Canterbury | History: Revolutions | 42 |
| 13366 | OLIVERIA, Isabella | Catholic Regional College Sydenham | Sydenham | English | 47 |
| 13367 | OLIVERIA, Isabella | Catholic Regional College Sydenham | Sydenham | Media | 40 |