| 301 | WU, Youzhi | Melbourne Grammar School | Melbourne | Specialist Mathematics | 42 |
| 302 | XIA, Yuan Jing | Vermont Secondary College | Vermont | Specialist Mathematics | 40 |
| 303 | XIE, Wenson B H | Haileybury College | Keysborough | Specialist Mathematics | 44 |
| 304 | XING, Zhongyue | John Monash Science School | Clayton | Specialist Mathematics | 43 |
| 305 | XU, Anwen | The Knox School | Wantirna South | Specialist Mathematics | 40 |
| 306 | XU, Ziyi | Wesley College St Kilda Rd | Melbourne | Specialist Mathematics | 40 |
| 307 | XUE, Alan Linkow | Melbourne High School | South Yarra | Specialist Mathematics | 40 |
| 308 | YANG, Katie Xinyan | Ruyton Girls School | Kew | Specialist Mathematics | 41 |
| 309 | YANG, Xiao | Peninsula Grammar Nanjing Foreign Language School | Nanjing, China | Specialist Mathematics | 41 |
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| 310 | YANG, Yifei | Sandringham College | Sandringham | Specialist Mathematics | 42 |
| 311 | YAO, Zhiyuan | Peninsula Grammar Zhengzhou Foreign Language School | Zhengzhou, China | Specialist Mathematics | 40 |
| 312 | YEO, Charissa Hanyin | Balwyn High School | Balwyn North | Specialist Mathematics | 40 |
| 313 | YII, Yan-Liang Erwin | Camberwell Grammar School | Canterbury | Specialist Mathematics | 44 |
| 314 | YING, Qinbei Bella | Glen Waverley Secondary College | Glen Waverley | Specialist Mathematics | 42 |
| 315 | YIP, Jeremy Yue Leon | Trinity Grammar School | Kew | Specialist Mathematics | 49 |
| 316 | YONG, Lucas James | Ivanhoe Grammar School Ridgeway | Ivanhoe | Specialist Mathematics | 46 |
| 317 | YOUNG, Cameron Thomas | Trinity Grammar School | Kew | Specialist Mathematics | 40 |
| 318 | YU, Allen | Melbourne High School | South Yarra | Specialist Mathematics | 46 |
| 319 | YU, Kevin | Scotch College | Hawthorn | Specialist Mathematics | 50 |
| 320 | YU, Kevin | Nossal High School | Berwick | Specialist Mathematics | 44 |
| 321 | YU, Matthew | University High School | Parkville | Specialist Mathematics | 42 |
| 322 | YUAN, Angel | Mount Waverley Secondary College | Mount Waverley | Specialist Mathematics | 42 |
| 323 | YUAN, Qi Mu | Melbourne Grammar School | Melbourne | Specialist Mathematics | 44 |
| 324 | YUE, Zihan | Strathmore Secondary College | Strathmore | Specialist Mathematics | 46 |
| 325 | YUN, Doo Young | McKinnon Secondary College | McKinnon | Specialist Mathematics | 43 |
| 326 | ZHANG, An Qi | Peninsula Grammar Pudong Foreign Language School | Shanghai, China | Specialist Mathematics | 41 |
| 327 | ZHANG, Boxuan Grace | Glen Waverley Secondary College | Glen Waverley | Specialist Mathematics | 43 |
| 328 | ZHANG, Chaoxin Simon | McKinnon Secondary College | McKinnon | Specialist Mathematics | 42 |
| 329 | ZHANG, Harry | Macleod College | Macleod | Specialist Mathematics | 49 |
| 330 | ZHANG, Liu Xin | Ivanhoe Girls Grammar School | Ivanhoe | Specialist Mathematics | 42 |
| 331 | ZHANG, Nan Hang | Scotch College | Hawthorn | Specialist Mathematics | 49 |
| 332 | ZHANG, Oliver Yaohan | Camberwell Grammar School | Canterbury | Specialist Mathematics | 40 |
| 333 | ZHANG, Ruowang Jackie | University High School | Parkville | Specialist Mathematics | 41 |
| 334 | ZHANG, Stephen Yimai | Distance Education Centre Victoria | Thornbury | Specialist Mathematics | 47 |
| 335 | ZHANG, Wendell | St Kevins College | Toorak | Specialist Mathematics | 45 |
| 336 | ZHANG, Xing Yin Susan | St Margarets Berwick Grammar Berwick Campus | Berwick | Specialist Mathematics | 40 |
| 337 | ZHANG, Yihao Jack | Melbourne High School | South Yarra | Specialist Mathematics | 44 |
| 338 | ZHANG, Yizhou | Methodist Ladies College | Kew | Specialist Mathematics | 47 |
| 339 | ZHENG, Adam Yi | Melbourne High School | South Yarra | Specialist Mathematics | 40 |
| 340 | ZHENG, Sheng Qin Flora | Presbyterian Ladies College | Burwood | Specialist Mathematics | 44 |
| 341 | ZHOU, Moran | McKinnon Secondary College | McKinnon | Specialist Mathematics | 43 |
| 342 | ZHU, Cory Yunzhe | Ringwood Secondary College | Ringwood | Specialist Mathematics | 40 |
| 343 | ZHU, Garry | Camberwell Grammar School | Canterbury | Specialist Mathematics | 50 |
| 344 | ZHU, John | Melbourne Grammar School | Melbourne | Specialist Mathematics | 44 |
| 345 | ZHU, Kevin | Frankston High School | Frankston | Specialist Mathematics | 43 |
| 346 | ZUBCIC, Luka Caramia | Penleigh and Essendon Grammar School | Keilor East | Specialist Mathematics | 41 |
| 347 | ZUCKERBERG, Aaron N | Yesodei Hatorah College Secondary Campus | Ormond | Specialist Mathematics | 41 |
Last Updated: 7 Feb 2021