| 20188 | ZUCKERBERG, Yehuda | Yesodei Hatorah College Secondary Campus | Ormond | Mathematical Methods (CAS) | 44 |
| 20189 | ZUCKERBERG, Yehuda | Yesodei Hatorah College Secondary Campus | Ormond | Chemistry | 43 |
| 20190 | ZUCKERMAN, Jack Harold | Leibler Yavneh College | Elsternwick | English | 43 |
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| 20191 | ZUDICH, Luca Tullio | St Kevins College | Toorak | History: Revolutions | 45 |
| 20192 | ZUMBO, Stephanie | Carey Baptist Grammar School | Kew | Visual Communication Design | 42 |
| 20193 | ZUMBO, Stephanie | Carey Baptist Grammar School | Kew | English | 40 |
| 20194 | ZUMBO, Stephanie | Carey Baptist Grammar School | Kew | Mathematical Methods (CAS) | 40 |
| 20195 | ZUNIGA, Noraine Josa | Mordialloc College | Mordialloc | Business Management | 44 |
| 20196 | ZUO, Danila | McKinnon Secondary College | McKinnon | Mathematical Methods (CAS) | 40 |
| 20197 | ZUPAN, Isabelle | Genazzano F.C.J. College | Kew | Chemistry | 50 |
| 20198 | ZUPAN, Isabelle | Genazzano F.C.J. College | Kew | English | 50 |
| 20199 | ZUPAN, Isabelle | Genazzano F.C.J. College | Kew | Mathematical Methods (CAS) | 50 |
| 20200 | ZUPAN, Isabelle | Genazzano F.C.J. College | Kew | Specialist Mathematics | 45 |
| 20201 | ZUPAN, Isabelle | Genazzano F.C.J. College | Kew | Languages: Latin | 41 |
| 20202 | ZUPAN, Stefan Dillon | St Kevins College | Toorak | English | 41 |
| 20203 | ZWAR, Joan Marie | Camberwell Girls Grammar School | Canterbury | Visual Communication Design | 40 |