| 1201 | Zhang, Maxwell Gao | Haileybury College | Keysborough | Mathematical Methods | 41 |
| 1202 | Zhang, Melvin | Scotch College | Hawthorn | Mathematical Methods | 46 |
| 1203 | Zhang, Miaoyu | Presbyterian Ladies College | Burwood | Mathematical Methods | 41 |
| 1204 | Zhang, Patrick | Melbourne Grammar School | Melbourne | Mathematical Methods | 44 |
| 1205 | Zhang, Ricky | Melbourne Grammar School | Melbourne | Mathematical Methods | 47 |
| 1206 | Zhang, Ronghao | Carey Baptist Grammar School | Kew | Mathematical Methods | 42 |
| 1207 | Zhang, Ruohan | Yarra Valley Grammar School | Ringwood | Mathematical Methods | 40 |
| 1208 | Zhang, Sunny | Haileybury Girls College | Keysborough | Mathematical Methods | 48 |
| 1209 | Zhang, William | Camberwell Grammar School | Canterbury | Mathematical Methods | 41 |
| 1210 | Zhang, Xiyun | Haileybury College | Keysborough | Mathematical Methods | 46 |
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| 1211 | Zhang, Yan Tao | Melbourne High School | South Yarra | Mathematical Methods | 43 |
| 1212 | Zhang, Yuxin | Highvale Secondary College | Glen Waverley | Mathematical Methods | 41 |
| 1213 | Zhang, Zachary Hansen | Melbourne Grammar School | Melbourne | Mathematical Methods | 50 |
| 1214 | Zhang, Zhanxi | Haileybury Ningbo Li Hui Li High School | Ningbo, China | Mathematical Methods | 44 |
| 1215 | Zhao, Abby Ruoyun | Fintona Girls School | Balwyn | Mathematical Methods | 50 |
| 1216 | Zhao, Feiyu | Haileybury Girls College | Keysborough | Mathematical Methods | 40 |
| 1217 | Zhao, Isabella Xitong | Yarra Valley Grammar School | Ringwood | Mathematical Methods | 46 |
| 1218 | Zhao, Jinhe | Box Hill High School | Box Hill | Mathematical Methods | 42 |
| 1219 | Zhao, Langjie | Brighton Grammar School | Brighton | Mathematical Methods | 49 |
| 1220 | Zhao, Matthew | Donvale Christian College | Donvale | Mathematical Methods | 40 |
| 1221 | Zhao, Ruixin | Mount Waverley Secondary College | Mount Waverley | Mathematical Methods | 43 |
| 1222 | Zhao, Zeyang | St Andrews Christian College | Wantirna South | Mathematical Methods | 43 |
| 1223 | Zheng, Gary Tianyi | Highvale Secondary College | Glen Waverley | Mathematical Methods | 40 |
| 1224 | Zheng, Tyler Jidong | Trinity Grammar School | Kew | Mathematical Methods | 44 |
| 1225 | Zheng, Yaxin | MacRobertson Girls High School | Melbourne | Mathematical Methods | 41 |
| 1226 | Zhong, Alan Haoyang | Box Hill High School | Box Hill | Mathematical Methods | 43 |
| 1227 | Zhong, Sarah Mia | Mount Waverley Secondary College | Mount Waverley | Mathematical Methods | 41 |
| 1228 | Zhou, Aleisha | MacRobertson Girls High School | Melbourne | Mathematical Methods | 41 |
| 1229 | Zhou, Kerri | Highvale Secondary College | Glen Waverley | Mathematical Methods | 43 |
| 1230 | Zhou, Kuotianxia | Nossal High School | Berwick | Mathematical Methods | 46 |
| 1231 | Zhou, Miaoran Doris | Frankston High School | Frankston | Mathematical Methods | 42 |
| 1232 | Zhou, Weijun | Camberwell Grammar School | Canterbury | Mathematical Methods | 40 |
| 1233 | Zhou, Xiang Cheng | Trinity Grammar School | Kew | Mathematical Methods | 46 |
| 1234 | Zhou, Zhanyan | Carey Baptist Grammar School | Kew | Mathematical Methods | 44 |
| 1235 | Zhou, Zhengjun | Ballarat Clarendon College | Ballarat | Mathematical Methods | 46 |
| 1236 | Zhou, Zhuoer | Caulfield Grammar School Caulfield | St Kilda East | Mathematical Methods | 43 |
| 1237 | Zhou, Zihan Arnold | John Monash Science School | Clayton | Mathematical Methods | 41 |
| 1238 | Zhou, Zixi | Methodist Ladies College | Kew | Mathematical Methods | 45 |
| 1239 | Zhu, Adam Hao | Nossal High School | Berwick | Mathematical Methods | 40 |
| 1240 | Zhu, Jayden Qixuan | Melbourne High School | South Yarra | Mathematical Methods | 43 |
| 1241 | Zhu, Jessica Jing Yu | Penleigh and Essendon Grammar School | Keilor East | Mathematical Methods | 41 |
| 1242 | Zhu, Jiaying | St Andrews Christian College | Wantirna South | Mathematical Methods | 41 |
| 1243 | Zhu, Lee | Melbourne High School | South Yarra | Mathematical Methods | 42 |
| 1244 | Zhu, Ma Li | Brunswick Secondary College | Brunswick | Mathematical Methods | 40 |
| 1245 | Zhu, Sarah | Santa Maria College | Northcote | Mathematical Methods | 45 |
| 1246 | Zhu, William | Balwyn High School | Balwyn North | Mathematical Methods | 45 |
| 1247 | Zhu, Xuanji | Scotch College | Hawthorn | Mathematical Methods | 43 |
| 1248 | Zhu, Xuanting | Haileybury Qingdao No 19 High School | Qingdao, China | Mathematical Methods | 43 |
| 1249 | Zhu, Zirui | Box Hill High School | Box Hill | Mathematical Methods | 41 |
| 1250 | Zhuang, Aaron | Camberwell Grammar School | Canterbury | Mathematical Methods | 49 |