| 1201 | ZHENG, Chen Kai | Melbourne High School | South Yarra | Mathematical Methods | 41 |
| 1202 | ZHENG, Haoxin | Oxley Christian College | Chirnside Park | Mathematical Methods | 40 |
| 1203 | ZHENG, Jinglei | Haileybury Ningbo Li Hui Li High School | Ningbo, China | Mathematical Methods | 40 |
| 1204 | ZHENG, William | Geelong Grammar School | Corio | Mathematical Methods | 45 |
| 1205 | ZHONG, Haoyang | Melbourne High School | South Yarra | Mathematical Methods | 50 |
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| 1206 | ZHONG, Michelle | Brentwood Secondary College | Glen Waverley | Mathematical Methods | 40 |
| 1207 | ZHONG, Yixin | Firbank Grammar School Jiangyan No 2 High School | Taizhou, China | Mathematical Methods | 42 |
| 1208 | ZHOU, Daniel | St Leonards College | Brighton East | Mathematical Methods | 40 |
| 1209 | ZHOU, Guoguo | Presbyterian Ladies College | Burwood | Mathematical Methods | 40 |
| 1210 | ZHOU, Hanbin | Mentone Grammar School | Mentone | Mathematical Methods | 42 |
| 1211 | ZHOU, Hang | Balwyn High School | Balwyn North | Mathematical Methods | 42 |
| 1212 | ZHOU, Qianhui Kristin | South Oakleigh College | Oakleigh South | Mathematical Methods | 43 |
| 1213 | ZHOU, Rocky | Trinity Grammar School | Kew | Mathematical Methods | 41 |
| 1214 | ZHOU, Ruiqi | Caulfield Grammar School Caulfield | St Kilda East | Mathematical Methods | 40 |
| 1215 | ZHOU, Xifan | East Doncaster Secondary College | Doncaster East | Mathematical Methods | 41 |
| 1216 | ZHOU, Xinyi | Box Hill High School | Box Hill | Mathematical Methods | 40 |
| 1217 | ZHOU, Xiyue | East Doncaster Secondary College | Doncaster East | Mathematical Methods | 41 |
| 1218 | ZHOU, Zheqi | Trinity Grammar School | Kew | Mathematical Methods | 43 |
| 1219 | ZHU, Cindy Simei | Doncaster Secondary College | Doncaster | Mathematical Methods | 41 |
| 1220 | ZHU, Haiqing | Peninsula Grammar Pudong Foreign Language School | Shanghai, China | Mathematical Methods | 43 |
| 1221 | ZHU, Lei | Balwyn High School | Balwyn North | Mathematical Methods | 41 |
| 1222 | ZHU, Linyan | Point Cook Senior Secondary College | Point Cook | Mathematical Methods | 46 |
| 1223 | ZHU, Yin | Mount Evelyn Christian School | Mount Evelyn | Mathematical Methods | 43 |
| 1224 | ZHU, Yun | Methodist Ladies College | Kew | Mathematical Methods | 41 |
| 1225 | ZHU, Zhao Jia | Melbourne Grammar School | Melbourne | Mathematical Methods | 40 |
| 1226 | ZIEGELAAR, Mark Vincent | Penleigh and Essendon Grammar School | Keilor East | Mathematical Methods | 40 |
| 1227 | ZORIN, Dmitry | Melbourne Grammar School | Melbourne | Mathematical Methods | 43 |
| 1228 | ZULLI, Anthony Nicholas | Salesian College Chadstone | Chadstone | Mathematical Methods | 42 |