| 20328 | ZUO, Keke | Caulfield Grammar School Wheelers Hill | Wheelers Hill | Visual Communication Design | 44 |
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| 20329 | ZUPAN, Marcus | Xavier College | Kew | Mathematical Methods (CAS) | 42 |
| 20330 | ZYGIER, Alma Delray | Wesley College St Kilda Rd | Melbourne | Music Investigation | 40 |
| 20331 | ZYLSTRA, Andrew James | St Kevins College | Toorak | History: Revolutions | 49 |
| 20332 | ZYLSTRA, Andrew James | St Kevins College | Toorak | English | 43 |
| 20333 | ZYLSTRA, Andrew James | St Kevins College | Toorak | Further Mathematics | 42 |
| 20334 | ZYLSTRA, Andrew James | St Kevins College | Toorak | Psychology | 40 |