| 21697 | Zou, Peishan | Balwyn High School | Balwyn North | Physics | 43 |
| 21698 | Zou, Peishan | Balwyn High School | Balwyn North | English | 40 |
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| 21699 | Zou, Sally | Mount Waverley Secondary College | Mount Waverley | Business Management | 41 |
| 21700 | Zou, Yi Ye | Haileybury Chengdu Shude High School | Chengdu, China | Languages: Chinese First Language | 41 |
| 21701 | Zouki, Joanna | Presbyterian Ladies College | Burwood | History: Revolutions | 42 |
| 21702 | Zuccon, Jim | St Josephs College Ferntree Gully | Ferntree Gully | IT Applications | 41 |
| 21703 | Zukan, Dino | Williamstown High School | Williamstown | Studio Arts | 46 |
| 21704 | Zukan, Dino | Williamstown High School | Williamstown | Design and Technology | 42 |
| 21705 | Zuliani, Scott | Flinders Christian Community College Carrum Downs | Carrum Downs | Health and Human Development | 40 |
| 21706 | Zumkley, Pierre-Philip | Mount Eliza Secondary College | Mount Eliza | Health and Human Development | 40 |
| 21707 | Zvedeniuk, Michelle | Mount Scopus Memorial College | Burwood | English | 47 |
| 21708 | Zwack, James | Ashwood High School | Ashwood | Visual Communication Design | 44 |
| 21709 | Zygorodimos, Matthew | McKinnon Secondary College | McKinnon | Further Mathematics | 50 |
| 21710 | Zygorodimos, Matthew | McKinnon Secondary College | McKinnon | Mathematical Methods | 49 |