| 101 | Calleja, Xavier | Carey Baptist Grammar School | Kew | Mathematical Methods | 42 |
| 102 | Cameron, Blaise Paul | Xavier College | Kew | Mathematical Methods | 41 |
| 103 | Campitelli, Gemma Marie | Star of the Sea College | Brighton | Mathematical Methods | 41 |
| 104 | Canale, Ari Luc | Camberwell Grammar School | Canterbury | Mathematical Methods | 42 |
| 105 | Cao, Duc-Tin | Keilor Downs College | Keilor Downs | Mathematical Methods | 41 |
| 106 | Cao, Jiahao | Nossal High School | Berwick | Mathematical Methods | 40 |
| 107 | Cascun, Lilly Mackenzie | Genazzano F.C.J. College | Kew | Mathematical Methods | 41 |
| 108 | Cassar, Nicholas Paul | Bacchus Marsh Grammar | Bacchus Marsh | Mathematical Methods | 43 |
| 109 | Cee, Derrick | Brighton Grammar School | Brighton | Mathematical Methods | 41 |
| 110 | Cha, Seongjun | Northside Christian College | Bundoora | Mathematical Methods | 47 |
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| 111 | Chabouh, Shukri | Catholic Regional College Sydenham | Sydenham | Mathematical Methods | 43 |
| 112 | Chadha, Dhruv Vikram | Haileybury College | Keysborough | Mathematical Methods | 43 |
| 113 | Chan, Aidan K | Templestowe College | Templestowe Lower | Mathematical Methods | 44 |
| 114 | Chan, Chloe Hiu Yin | MacRobertson Girls High School | Melbourne | Mathematical Methods | 41 |
| 115 | Chan, Chun Yat Morris | Huntingtower School | Mount Waverley | Mathematical Methods | 45 |
| 116 | Chan, Cyrus Tsz-Chai | Melbourne High School | South Yarra | Mathematical Methods | 45 |
| 117 | Chan, Harry James | Box Hill High School | Box Hill | Mathematical Methods | 42 |
| 118 | Chan, Karson Tsz-Shing | Oxley Christian College | Chirnside Park | Mathematical Methods | 45 |
| 119 | Chan, Lachlan | Yarra Valley Grammar School | Ringwood | Mathematical Methods | 40 |
| 120 | Chan, Lucas Chun Yau | Melbourne High School | South Yarra | Mathematical Methods | 49 |
| 121 | Chan, Matthew | Caulfield Grammar School Caulfield | St Kilda East | Mathematical Methods | 40 |
| 122 | Chan, Ruby | St Helena Secondary College | Eltham North | Mathematical Methods | 43 |
| 123 | Chan, Thomas James En-Ming | Trinity Grammar School | Kew | Mathematical Methods | 50 |
| 124 | Chan, Tsz Kiu Rella | Presbyterian Ladies College | Burwood | Mathematical Methods | 41 |
| 125 | Chandler, Declan James | Belmont High School | Belmont | Mathematical Methods | 40 |
| 126 | Chang, Bryan Jiyean | Nossal High School | Berwick | Mathematical Methods | 41 |
| 127 | Chang, Hugo | Melbourne Grammar School | Melbourne | Mathematical Methods | 50 |
| 128 | Chang, Olivia Suyeon | MacRobertson Girls High School | Melbourne | Mathematical Methods | 41 |
| 129 | Chang, Ziyue | Tintern Grammar | Ringwood East | Mathematical Methods | 41 |
| 130 | Chao, Kieran | Caroline Chisholm Catholic College | Braybrook | Mathematical Methods | 43 |
| 131 | Charola, Edward Akira | Melbourne Grammar School | Melbourne | Mathematical Methods | 45 |
| 132 | Chee, Han You | Highvale Secondary College | Glen Waverley | Mathematical Methods | 40 |
| 133 | Chen, Andrew | Melbourne Grammar School | Melbourne | Mathematical Methods | 43 |
| 134 | Chen, Dale | Scotch College | Hawthorn | Mathematical Methods | 44 |
| 135 | Chen, Fiona Tiannv | MacRobertson Girls High School | Melbourne | Mathematical Methods | 41 |
| 136 | Chen, Jiayi | St Catherines School | Toorak | Mathematical Methods | 43 |
| 137 | Chen, Junjia | University High School | Parkville | Mathematical Methods | 40 |
| 138 | Chen, Junkai | Caulfield Grammar School Wheelers Hill | Wheelers Hill | Mathematical Methods | 44 |
| 139 | Chen, Merryl | MacRobertson Girls High School | Melbourne | Mathematical Methods | 42 |
| 140 | Chen, Ruiyong | Scotch College | Hawthorn | Mathematical Methods | 41 |
| 141 | Chen, Tianyin | Haileybury College Tianjin Campus | Tianjin, China | Mathematical Methods | 40 |
| 142 | Chen, Xingrun | McKinnon Secondary College | McKinnon | Mathematical Methods | 40 |
| 143 | Chen, Yiyu | Melbourne High School | South Yarra | Mathematical Methods | 45 |
| 144 | Chen, Zenan | St Catherines School | Toorak | Mathematical Methods | 42 |
| 145 | Chenanda Karumbaiah, Abhav | Salesian College Chadstone | Chadstone | Mathematical Methods | 40 |
| 146 | Cheng, Oscar | Nossal High School | Berwick | Mathematical Methods | 40 |
| 147 | Cheng, Ricky | Melbourne High School | South Yarra | Mathematical Methods | 40 |
| 148 | Cheong, Derek Chun Kiu | Melbourne High School | South Yarra | Mathematical Methods | 48 |
| 149 | Chernov, Timofey | Nossal High School | Berwick | Mathematical Methods | 44 |
| 150 | Cheung, Ching Tze | Melbourne Girls College | Richmond | Mathematical Methods | 48 |