| 18501 | WU, Yuxuan | Balwyn High School | Balwyn North | Further Mathematics | 49 |
| 18502 | WU, Zhaolin Wayne | Camberwell Grammar School | Canterbury | Mathematical Methods | 44 |
| 18503 | WU, Zhuowen | McKinnon Secondary College | McKinnon | Business Management | 44 |
| 18504 | WU, Zhuowen | McKinnon Secondary College | McKinnon | Studio Arts | 40 |
| 18505 | WU, Zifei | East Doncaster Secondary College | Doncaster East | Mathematical Methods | 43 |
| 18506 | WU, Zifei | East Doncaster Secondary College | Doncaster East | English as an Additional Language | 42 |
| 18507 | WUNDER, Emily Imogen | Camberwell High School | Canterbury | English | 42 |
| 18508 | WUNDERLE, Jade | Luther College | Croydon Hills | Outdoor and Environmental Studies | 46 |
| 18509 | WYETH, Samuel Lindsay | Christian College Geelong Waurn Ponds | Waurn Ponds | Further Mathematics | 41 |
| 18510 | WYLES, Joshua Aaron | Billanook College | Mooroolbark | Food Studies | 40 |
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| 18511 | WYLIE, Richard John | Melbourne Grammar School | Melbourne | English | 45 |
| 18512 | WYLIE, Richard John | Melbourne Grammar School | Melbourne | Languages: French | 44 |
| 18513 | WYLIE, Richard John | Melbourne Grammar School | Melbourne | Australian History | 43 |
| 18514 | WYMANT, Lawrence Alfred | Auburn High School | Hawthorn East | Business Management | 42 |
| 18515 | WYMANT, Lawrence Alfred | Auburn High School | Hawthorn East | Software Development | 40 |
| 18516 | WYND, Stephanie Jade | Aquinas College | Ringwood | English | 40 |
| 18517 | WYNN, Jason Frank | Melbourne High School | South Yarra | Further Mathematics | 41 |
| 18518 | WYNNE, Lily Ann | Horsham College | Horsham | Health and Human Development | 40 |
| 18519 | WYNNE, Michael David | Melbourne High School | South Yarra | Mathematical Methods | 45 |
| 18520 | WYNNE, Michael David | Melbourne High School | South Yarra | Physics | 43 |
| 18521 | WYNTER, Abaigeal Niamh | University High School | Parkville | English | 41 |
| 18522 | WYSS, Ashleigh Taylor | Ivanhoe Grammar School Ridgeway | Ivanhoe | English | 47 |
| 18523 | WYSS, Ashleigh Taylor | Ivanhoe Grammar School Ridgeway | Ivanhoe | Studio Arts | 46 |
| 18524 | WYSS, Ashleigh Taylor | Ivanhoe Grammar School Ridgeway | Ivanhoe | Psychology | 40 |
| 18525 | X'LINGSON, Jerry Zyu | Scotch College | Hawthorn | Ancient History | 42 |
| 18526 | XAFIS, Elaine Kathleen | Firbank Grammar School | Brighton | Business Management | 44 |
| 18527 | XERRI, Emma Marie | Nazareth College | Noble Park North | Psychology | 43 |
| 18528 | XI, Harry Zimeng | Kilvington Grammar School | Ormond | Informatics | 44 |
| 18529 | XI, Ni | Penleigh and Essendon Grammar School | Keilor East | Chemistry | 45 |
| 18530 | XI, Ni | Penleigh and Essendon Grammar School | Keilor East | Software Development | 44 |
| 18531 | XI, Ni | Penleigh and Essendon Grammar School | Keilor East | Mathematical Methods | 43 |
| 18532 | XI, Zihui | Haileybury Girls College | Keysborough | Languages: Chinese Second Language Advanced | 50 |
| 18533 | XIA, Fanxuan | McKinnon Secondary College | McKinnon | Physics | 45 |
| 18534 | XIA, Fanxuan | McKinnon Secondary College | McKinnon | English as an Additional Language | 44 |
| 18535 | XIA, Fanxuan | McKinnon Secondary College | McKinnon | Specialist Mathematics | 43 |
| 18536 | XIA, Fanxuan | McKinnon Secondary College | McKinnon | Chemistry | 41 |
| 18537 | XIA, Qianhui | Huntingtower School | Mount Waverley | English | 40 |
| 18538 | XIA, Zhongyi | Melbourne Girls Grammar | South Yarra | Mathematical Methods | 49 |
| 18539 | XIA, Zhongyi | Melbourne Girls Grammar | South Yarra | Biology | 45 |
| 18540 | XIA, Zhongyi | Melbourne Girls Grammar | South Yarra | English as an Additional Language | 44 |
| 18541 | XIA, Zhongyi | Melbourne Girls Grammar | South Yarra | Chemistry | 43 |
| 18542 | XIAN, Irene | Camberwell Girls Grammar School | Canterbury | Accounting | 47 |
| 18543 | XIAN, Irene | Camberwell Girls Grammar School | Canterbury | Biology | 44 |
| 18544 | XIAN, Irene | Camberwell Girls Grammar School | Canterbury | Chemistry | 44 |
| 18545 | XIAN, Irene | Camberwell Girls Grammar School | Canterbury | English | 44 |
| 18546 | XIAN, Irene | Camberwell Girls Grammar School | Canterbury | Mathematical Methods | 43 |
| 18547 | XIANG, Raymond | Camberwell Grammar School | Canterbury | English | 45 |
| 18548 | XIANG, Raymond | Camberwell Grammar School | Canterbury | Chemistry | 42 |
| 18549 | XIANG, Raymond | Camberwell Grammar School | Canterbury | Mathematical Methods | 41 |
| 18550 | XIANG, Tianyue Adrian | Koonung Secondary College | Mont Albert North | Specialist Mathematics | 47 |