| 20964 | Zhou, Tian Yi | Fintona Girls School | Balwyn | English as an Additional Language | 41 |
| 20965 | Zhou, Xinan | Wesley College Glen Waverley | Glen Waverley | Mathematical Methods | 40 |
| 20966 | Zhou, Xintong | Springvale Secondary College | Springvale | Further Mathematics | 40 |
| 20967 | Zhou, Yanjun | Camberwell Grammar School | Canterbury | Chemistry | 45 |
| 20968 | Zhou, Yanjun | Camberwell Grammar School | Canterbury | Literature | 45 |
| 20969 | Zhou, Yanjun | Camberwell Grammar School | Canterbury | Visual Communication Design | 45 |
| 20970 | Zhou, Yanjun | Camberwell Grammar School | Canterbury | Physics | 44 |
| 20971 | Zhou, Yanjun | Camberwell Grammar School | Canterbury | Specialist Mathematics | 44 |
| 20972 | Zhou, Yi | Fintona Girls School | Balwyn | Accounting | 40 |
| 20973 | Zhu, Cathy | Stawell Secondary College | Stawell | Languages: Chinese First Language | 45 |
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| 20974 | Zhu, Chenxiao | Haileybury Li Hui High School | China | Languages: Chinese First Language | 40 |
| 20975 | Zhu, Haodong | Camberwell High School | Canterbury | Mathematical Methods | 43 |
| 20976 | Zhu, Shaoxiong | Billanook College | Mooroolbark | Mathematical Methods | 43 |
| 20977 | Zhu, Shaoxiong | Billanook College | Mooroolbark | Specialist Mathematics | 41 |
| 20978 | Zhu, Shi-Jia | Doncaster Secondary College | Doncaster | Mathematical Methods | 40 |
| 20979 | Zhu, Shiyao | Camberwell Girls Grammar School | Canterbury | Psychology | 50 |
| 20980 | Zhu, Wen | Wesley College Glen Waverley | Glen Waverley | Mathematical Methods | 45 |
| 20981 | Zhu, Wen | Mount Waverley Secondary College | Mount Waverley | Mathematical Methods | 42 |
| 20982 | Zhu, Wen | Mount Waverley Secondary College | Mount Waverley | Specialist Mathematics | 40 |
| 20983 | Zhu, Xiao Chen | Haileybury Chengdu Shude High School | Chengdu, China | Mathematical Methods | 43 |
| 20984 | Zhu, Xiaoyu | Kew High School | Kew East | Mathematical Methods | 41 |
| 20985 | Zhu, Yao | Scotch College | Hawthorn | Mathematical Methods | 43 |
| 20986 | Zhu, Yao | Scotch College | Hawthorn | English | 42 |
| 20987 | Zhu, Yingqiu | Toorak College | Mount Eliza | Mathematical Methods | 42 |
| 20988 | Zhu, Yingqiu | Toorak College | Mount Eliza | Specialist Mathematics | 41 |
| 20989 | Zhu, Yun Xiang | Strathmore Secondary College | Strathmore | English as an Additional Language | 42 |
| 20990 | Zhuang, Joseph | Melbourne High School | South Yarra | Software Development | 41 |
| 20991 | Zhuang, Malina | Sacred Heart Girls College | Hughesdale | English | 42 |
| 20992 | Zhuang, Zi Bin | Stotts Colleges Melbourne | Melbourne | Languages: Chinese First Language | 43 |
| 20993 | Zhuang, Zi Bin | Stotts Colleges Melbourne | Melbourne | English as an Additional Language | 42 |
| 20994 | Zhuang, Zi Bin | Stotts Colleges Melbourne | Melbourne | Accounting | 41 |
| 20995 | Zhuang, Zi Bin | Stotts Colleges Melbourne | Melbourne | Mathematical Methods | 40 |
| 20996 | Zhuo, Yue | Thomas Carr College | Tarneit | Mathematical Methods | 46 |
| 20997 | Ziada, Caroline | Avila College | Mount Waverley | Physical Education | 45 |
| 20998 | Ziada, Lucy | Sandringham College | Sandringham | Legal Studies | 41 |
| 20999 | Ziada, Simone | Sacred Heart Girls College | Hughesdale | Media | 42 |
| 21000 | Ziccone, Anita | Mercy College | Coburg | Design and Technology | 44 |
| 21001 | Ziccone, Matthew | St Kevins College | Toorak | English | 48 |
| 21002 | Ziccone, Matthew | St Kevins College | Toorak | Theatre Studies | 47 |
| 21003 | Ziebell, Owen | Trinity Grammar School | Kew | English | 42 |
| 21004 | Ziebell, Owen | Ruyton Girls School | Kew | Legal Studies | 41 |
| 21005 | Zikou, Tiffany | Penleigh and Essendon Grammar School | Keilor East | Health and Human Development | 47 |
| 21006 | Zikou, Tiffany | Penleigh and Essendon Grammar School | Keilor East | English | 44 |
| 21007 | Zikou, Tiffany | Penleigh and Essendon Grammar School | Keilor East | Biology | 42 |
| 21008 | Zimmerman, Jessica | Leibler Yavneh College | Elsternwick | Mathematical Methods | 40 |
| 21009 | Zinellu, Jessica | Star of the Sea College | Brighton | Design and Technology | 46 |
| 21010 | Zito, Mark | Xavier College | Kew | Media | 49 |
| 21011 | Zito, Mark | Xavier College | Kew | Music Solo Performance | 44 |
| 21012 | Zito, Mark | Xavier College | Kew | English | 43 |
| 21013 | Zlatic, Courtney | Northcote High School | Northcote | Further Mathematics | 46 |