| 13166 | ONG, Jared Qun Leng | Balwyn High School | Balwyn North | Biology | 41 |
| 13167 | ONG, Jiamin | MacRobertson Girls High School | Melbourne | Biology | 42 |
| 13168 | ONG, Jiamin | MacRobertson Girls High School | Melbourne | History: Revolutions | 42 |
| 13169 | ONG, Kimi Mariel | Our Lady of Sacred Heart College | Bentleigh | Business Management | 43 |
| 13170 | ONG, Rachel Sze Ern | Balwyn High School | Balwyn North | Accounting | 45 |
| 13171 | ONG, Rachel Sze Ern | Balwyn High School | Balwyn North | Mathematical Methods (CAS) | 43 |
| 13172 | ONG, Rachel Sze Ern | Balwyn High School | Balwyn North | English Language | 40 |
| 13173 | ONG, Richard Xian Ming | Trinity Grammar School | Kew | English | 41 |
| 13174 | ONG, Richard Xian Ming | Trinity Grammar School | Kew | Further Mathematics | 41 |
| 13175 | ONG, Ryan Si - Kai | Balwyn High School | Balwyn North | English Language | 43 |
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| 13176 | ONG, Ryan Si - Kai | Balwyn High School | Balwyn North | Chemistry | 40 |
| 13177 | ONG, Valerie Li Wen | MacRobertson Girls High School | Melbourne | English | 47 |
| 13178 | ONG, Valerie Li Wen | MacRobertson Girls High School | Melbourne | Literature | 46 |
| 13179 | ONG, Valerie Li Wen | MacRobertson Girls High School | Melbourne | History: Revolutions | 44 |
| 13180 | ONG, Xue Ting Nicole | Nossal High School | Berwick | Psychology | 49 |
| 13181 | ONG, Xue Ting Nicole | Nossal High School | Berwick | Biology | 40 |
| 13182 | ONLEY, Jack Patrick | Maffra Secondary College | Maffra | Biology | 40 |
| 13183 | ONOFRAS, Anastasia | Lakeview Senior College | Caroline Springs | Chemistry | 46 |
| 13184 | ONOFRAS, Anastasia | Lakeview Senior College | Caroline Springs | Biology | 44 |
| 13185 | ONOFRAS, Anastasia | Lakeview Senior College | Caroline Springs | Mathematical Methods (CAS) | 42 |
| 13186 | ONOFRAS, Anastasia | Lakeview Senior College | Caroline Springs | English | 40 |
| 13187 | ONOFRAS, Stanislav | Lakeview Senior College | Caroline Springs | Mathematical Methods (CAS) | 42 |
| 13188 | ONOLBAATAR, Khulan | Princes Hill Secondary College | Princes Hill | Further Mathematics | 42 |
| 13189 | ONOLBAATAR, Khulan | Princes Hill Secondary College | Princes Hill | English as an Additional Language | 40 |
| 13190 | ONYEKA, Nkiruka Anthea | Hillcrest Christian College | Clyde North | Further Mathematics | 42 |
| 13191 | OOI, Eng Huat | Koonung Secondary College | Mont Albert North | Physics | 43 |
| 13192 | OOI, Heng Ling | Fintona Girls School | Balwyn | Economics | 44 |
| 13193 | OOI, Jun Yoong Ivan | Melbourne High School | South Yarra | Software Development | 46 |
| 13194 | OOI, Laura Hui Li | Balwyn High School | Balwyn North | Food and Technology | 42 |
| 13195 | OP DE COUL, Crystal Jasmine | Warrnambool College | Warrnambool | Studio Arts | 40 |
| 13196 | OPALUCH, Hannah Mai | Frankston High School | Frankston | Business Management | 44 |
| 13197 | OPIE, Claudia Kathryn | Ballarat Grammar School | Wendouree | English | 42 |
| 13198 | OPRAY, Georgia Jane | Canterbury Girls Secondary College | Canterbury | Legal Studies | 40 |
| 13199 | ORCHARD, Joshua Francis | Point Cook Senior Secondary College | Point Cook | Outdoor and Environmental Studies | 40 |
| 13200 | ORDONA, Jarred Mark | Nossal High School | Berwick | Psychology | 44 |
| 13201 | ORELOWITZ, Zachari Adam | Bialik College | Hawthorn | English | 46 |
| 13202 | ORELOWITZ, Zachari Adam | Bialik College | Hawthorn | Studio Arts | 44 |
| 13203 | ORNSBY, Carla | Firbank Grammar School | Brighton | Health and Human Development | 46 |
| 13204 | ORNSBY, Carla | Firbank Grammar School | Brighton | English | 43 |
| 13205 | ORNSBY, Carla | Firbank Grammar School | Brighton | Business Management | 40 |
| 13206 | ORPIN, Chloe Louise | Yarra Valley Grammar School | Ringwood | Health and Human Development | 42 |
| 13207 | ORR, Alanah Jane | Geelong High School | East Geelong | English | 41 |
| 13208 | ORR, Clara Eliza | Ballarat Grammar School | Wendouree | Visual Communication Design | 41 |
| 13209 | ORRITT, Elizabeth Louise | Braemar College | Woodend | Health and Human Development | 43 |
| 13210 | ORSOLIC, Isabella | Emmaus College | Vermont South | Informatics | 48 |
| 13211 | ORSULIC, Alana Jelena | Academy of Mary Immaculate | Fitzroy | Health and Human Development | 44 |
| 13212 | ORSULIC, Alana Jelena | Academy of Mary Immaculate | Fitzroy | Legal Studies | 44 |
| 13213 | ORSULIC, Alana Jelena | Academy of Mary Immaculate | Fitzroy | Business Management | 41 |
| 13214 | ORTISI, Daniel | Marcellin College | Bulleen | Further Mathematics | 41 |
| 13215 | ORTON, Lilian May | Toorak College | Mount Eliza | Physical Education | 43 |