| 18687 | Xu, Zhitian | Toorak College | Mount Eliza | Languages: Chinese First Language | 50 |
| 18688 | Xu, Zhongyu | Camberwell High School | Canterbury | Physics | 42 |
| 18689 | Xu, Zijin | Caulfield Grammar School Wheelers Hill | Wheelers Hill | English as an Additional Language | 50 |
| 18690 | Xu, Zijin | Caulfield Grammar School Wheelers Hill | Wheelers Hill | Physics | 50 |
| 18691 | Xu, Zijin | Caulfield Grammar School Wheelers Hill | Wheelers Hill | Specialist Mathematics | 50 |
| 18692 | Xu, Zijin | Caulfield Grammar School Wheelers Hill | Wheelers Hill | Software Development | 40 |
| 18693 | Xu, Ziyu | Brighton Grammar School | Brighton | Mathematical Methods | 49 |
| 18694 | Xu, Ziyu | Brighton Grammar School | Brighton | Chemistry | 41 |
| 18695 | Xu, Ziyu | Brighton Grammar School | Brighton | Specialist Mathematics | 41 |
| 18696 | Xu, Ziyun | Toorak College | Mount Eliza | Further Mathematics | 40 |
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| 18697 | Xue, Melissa | Camberwell Girls Grammar School | Canterbury | English | 40 |
| 18698 | Xue, Tianxing | East Doncaster Secondary College | Doncaster East | Mathematical Methods | 45 |
| 18699 | Xue, Xiaojun | Mentone Grammar School | Mentone | Mathematical Methods | 46 |
| 18700 | Xue, Xiaomin | Mentone Grammar School | Mentone | Mathematical Methods | 44 |
| 18701 | Xue, Xu | Balwyn High School | Balwyn North | Mathematical Methods | 41 |
| 18702 | Xuereb, Melanie | Catholic Regional College Sydenham | Sydenham | Health and Human Development | 45 |
| 18703 | Xusen, Anisa | Suzanne Cory High School | Werribee | Psychology | 46 |
| 18704 | Xusen, Anisa | Suzanne Cory High School | Werribee | English | 45 |
| 18705 | Xynos, George | Caulfield Grammar School Caulfield | St Kilda East | Systems Engineering | 41 |
| 18706 | Yaacoub, James | Yarra Valley Grammar School | Ringwood | Business Management | 41 |
| 18707 | Yacono, Olivia Grace | Westbourne Grammar School | Truganina | Food Studies | 45 |
| 18708 | Yadav, Anushka | Box Hill High School | Box Hill | Further Mathematics | 46 |
| 18709 | Yaeesh Ali, Mohamed | Berwick Secondary College | Berwick | Further Mathematics | 40 |
| 18710 | Yagnik, Priyam Sahil | Keilor Downs College | Keilor Downs | English | 42 |
| 18711 | Yalung, Aren Francesca | Killester College | Springvale | Psychology | 45 |
| 18712 | Yalung, Aren Francesca | Killester College | Springvale | Biology | 44 |
| 18713 | Yalung, Aren Francesca | Killester College | Springvale | English | 44 |
| 18714 | Yalung, Aren Francesca | Killester College | Springvale | Specialist Mathematics | 43 |
| 18715 | Yalung, Aren Francesca | Killester College | Springvale | Mathematical Methods | 42 |
| 18716 | Yamamoto, Lisa | Balwyn High School | Balwyn North | Chemistry | 44 |
| 18717 | Yamamoto, Lisa | Balwyn High School | Balwyn North | English Language | 43 |
| 18718 | Yamamoto, Lisa | Balwyn High School | Balwyn North | Physics | 40 |
| 18719 | Yamamoto, Rina | Korowa Anglican Girls School | Glen Iris | English | 46 |
| 18720 | Yamfu Bwanga, Merdi | Goulburn Valley Grammar School | Shepparton | English | 40 |
| 18721 | Yan, Emma Le | Loreto Mandeville Hall | Toorak | Languages: Chinese Culture and Society | 45 |
| 18722 | Yan, Emma Le | Loreto Mandeville Hall | Toorak | English | 40 |
| 18723 | Yan, Emma Le | Loreto Mandeville Hall | Toorak | Psychology | 40 |
| 18724 | Yan, Ilayda Aleyna | Haileybury Girls College | Keysborough | Psychology | 50 |
| 18725 | Yan, Minhui | McKinnon Secondary College | McKinnon | English as an Additional Language | 40 |
| 18726 | Yan, Minhui | McKinnon Secondary College | McKinnon | Further Mathematics | 40 |
| 18727 | Yan, Tina | Santa Maria College | Northcote | Further Mathematics | 41 |
| 18728 | Yan, Tina | Santa Maria College | Northcote | Psychology | 40 |
| 18729 | Yan, Wenkun | Yarra Valley Grammar School | Ringwood | English as an Additional Language | 43 |
| 18730 | Yan, Wenkun | Yarra Valley Grammar School | Ringwood | Specialist Mathematics | 43 |
| 18731 | Yan, Xuanzi | McKinnon Secondary College | McKinnon | Psychology | 45 |
| 18732 | Yan, Xuanzi | McKinnon Secondary College | McKinnon | Accounting | 43 |
| 18733 | Yan, Xuanzi | McKinnon Secondary College | McKinnon | Economics | 43 |
| 18734 | Yan, Xuanzi | McKinnon Secondary College | McKinnon | English | 43 |
| 18735 | Yan, Zheng Yang | Ivanhoe Grammar School Ridgeway | Ivanhoe | Further Mathematics | 41 |
| 18736 | Yan, Zhenghao | Westall Secondary College | Clayton South | Mathematical Methods | 40 |