| 51 | Castillo, Jesse | Melbourne High School | South Yarra | Mathematical Methods | 42 |
| 52 | Castle, Emily | Melbourne Girls College | Richmond | Mathematical Methods | 40 |
| 53 | Cavalcante, Luiz | Melbourne High School | South Yarra | Mathematical Methods | 47 |
| 54 | Cavalieri, Jonathon | Newhaven College | Rhyll | Mathematical Methods | 40 |
| 55 | Chae, Hojoong | Melbourne High School | South Yarra | Mathematical Methods | 42 |
| 56 | Chan, Jared | Melbourne High School | South Yarra | Mathematical Methods | 40 |
| 57 | Chau, Rebecca | Presentation College | Windsor | Mathematical Methods | 44 |
| 58 | Chau, Simon | Bayside College Paisley Campus | Newport | Mathematical Methods | 44 |
| 59 | Chavan, Mrunal | MacRobertson Girls High School | Melbourne | Mathematical Methods | 40 |
| 60 | Chazikantis, Julian | Buckley Park College | Essendon | Mathematical Methods | 41 |
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| 61 | Cheah, Justin | Mount Waverley Secondary College | Mount Waverley | Mathematical Methods | 45 |
| 62 | Chee, Adrian | Melbourne High School | South Yarra | Mathematical Methods | 45 |
| 63 | Chen, Angela | MacRobertson Girls High School | Melbourne | Mathematical Methods | 40 |
| 64 | Chen, Anita | Rowville Secondary College | Rowville | Mathematical Methods | 42 |
| 65 | Chen, Qi | Hawthorn Secondary College | Hawthorn East | Mathematical Methods | 42 |
| 66 | Chen, Sharon | Mount Waverley Secondary College | Mount Waverley | Mathematical Methods | 44 |
| 67 | Chen, Tianqi | Forest Hill College | Burwood East | Mathematical Methods | 42 |
| 68 | Chen, Yan | Taylors College | Melbourne | Mathematical Methods | 40 |
| 69 | Chen, Yuan | Melbourne Girls College | Richmond | Mathematical Methods | 40 |
| 70 | Cheng, Chang | Camberwell Girls Grammar School | Canterbury | Mathematical Methods | 43 |
| 71 | Cheng, Eugene | Vermont Secondary College | Vermont | Mathematical Methods | 47 |
| 72 | Cheng, Joyce | MacRobertson Girls High School | Melbourne | Mathematical Methods | 42 |
| 73 | Cheng, Ryan | Melbourne High School | South Yarra | Mathematical Methods | 44 |
| 74 | Cheng, Vince | Melbourne High School | South Yarra | Mathematical Methods | 46 |
| 75 | Cheung, Hector-Jack | Melbourne Grammar School | Melbourne | Mathematical Methods | 42 |
| 76 | Cheung, Hiu Sing | Braybrook College | Braybrook | Mathematical Methods | 40 |
| 77 | Cheung, Samuel | Camberwell Grammar School | Canterbury | Mathematical Methods | 45 |
| 78 | Chiang, Vincent | Melbourne Grammar School | Melbourne | Mathematical Methods | 43 |
| 79 | Chidgey, Cameron | Camberwell Grammar School | Canterbury | Mathematical Methods | 46 |
| 80 | Chmiel, Edward | Melbourne High School | South Yarra | Mathematical Methods | 45 |
| 81 | Cho, Dong Joon | Koonung Secondary College | Mont Albert North | Mathematical Methods | 40 |
| 82 | Choi, Bom Ie | Koonung Secondary College | Mont Albert North | Mathematical Methods | 42 |
| 83 | Choi, Min Sun | St Catherines School | Toorak | Mathematical Methods | 40 |
| 84 | Choi, Young-Byn | MacRobertson Girls High School | Melbourne | Mathematical Methods | 41 |
| 85 | Chong, Melody | Mount Waverley Secondary College | Mount Waverley | Mathematical Methods | 42 |
| 86 | Choong, Jiun Bin | Mount Waverley Secondary College | Mount Waverley | Mathematical Methods | 42 |
| 87 | Chosich, Christopher | Melbourne High School | South Yarra | Mathematical Methods | 40 |
| 88 | Chow, Ke Li | MacRobertson Girls High School | Melbourne | Mathematical Methods | 46 |
| 89 | Chu, Man-Hin | Balwyn High School | Balwyn North | Mathematical Methods | 48 |
| 90 | Chuah, Simone | Balwyn High School | Balwyn North | Mathematical Methods | 40 |
| 91 | Chue Kee Cheung, Niet Ching | Koonung Secondary College | Mont Albert North | Mathematical Methods | 42 |
| 92 | Chuo, Augustine | Camberwell Grammar School | Canterbury | Mathematical Methods | 43 |
| 93 | Clark, Benjamin | Melbourne Grammar School | Melbourne | Mathematical Methods | 43 |
| 94 | Clark, Christopher | Camberwell Grammar School | Canterbury | Mathematical Methods | 41 |
| 95 | Clarke, Michael | Emmanuel College Warrnambool | Warrnambool | Mathematical Methods | 43 |
| 96 | Clugston, Chelsea | Billanook College | Mooroolbark | Mathematical Methods | 42 |
| 97 | Cole, Eliza | Box Hill High School | Box Hill | Mathematical Methods | 40 |
| 98 | Colosimo, Luisa | Camberwell Girls Grammar School | Canterbury | Mathematical Methods | 45 |
| 99 | Con, Danny | Melbourne High School | South Yarra | Mathematical Methods | 44 |
| 100 | Corbo, Gemma | Avila College | Mount Waverley | Mathematical Methods | 40 |