| 801 | Redston, Santrix Tan Kiat Ong | Haileybury Girls College | Keysborough | Mathematical Methods | 41 |
| 802 | Renison, Gabriel | Nossal High School | Berwick | Mathematical Methods | 42 |
| 803 | Renkin-Onwuji, Matilda Chisom | Mentone Girls Secondary College | Mentone | Mathematical Methods | 40 |
| 804 | Rernglertpricha, Qi En | MacRobertson Girls High School | Melbourne | Mathematical Methods | 42 |
| 805 | Retzlaff, Vincent Vu | Nossal High School | Berwick | Mathematical Methods | 44 |
| 806 | Rhodes, Austin Cecil | Cathedral College | Wangaratta | Mathematical Methods | 41 |
| 807 | Ricciuti, Zion | Xavier College | Kew | Mathematical Methods | 43 |
| 808 | Richardson, Sarah Elizabeth | The Hamilton and Alexandra College | Hamilton | Mathematical Methods | 42 |
| 809 | Roberts, Ellen Louise | Gippsland Grammar | Sale | Mathematical Methods | 42 |
| 810 | Robinson, Anna Frances | Mentone Girls Grammar School | Mentone | Mathematical Methods | 40 |
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| 811 | Robinson, Thomas Andrew | Camberwell Grammar School | Canterbury | Mathematical Methods | 42 |
| 812 | Robson, Elizabeth | Korowa Anglican Girls School | Glen Iris | Mathematical Methods | 40 |
| 813 | Rodrigues, Nathan | Mount Waverley Secondary College | Mount Waverley | Mathematical Methods | 42 |
| 814 | Rolavs, Erik Andrejs | Luther College | Croydon Hills | Mathematical Methods | 44 |
| 815 | Rong, Shen | Camberwell Grammar School | Canterbury | Mathematical Methods | 41 |
| 816 | Rosina, Daniel Ruiyang | Geelong Grammar School | Corio | Mathematical Methods | 50 |
| 817 | Ross, Alexander Goodall Irvine | Bacchus Marsh Grammar | Bacchus Marsh | Mathematical Methods | 40 |
| 818 | Rourke, George Barry | Xavier College | Kew | Mathematical Methods | 40 |
| 819 | Rowe, Nicholas James | John Monash Science School | Clayton | Mathematical Methods | 47 |
| 820 | Rowse, Julian Lukman | Haileybury College | Keysborough | Mathematical Methods | 44 |
| 821 | Roy, Akash | John Monash Science School | Clayton | Mathematical Methods | 44 |
| 822 | Royston, Tara Heather | Presbyterian Ladies College | Burwood | Mathematical Methods | 41 |
| 823 | Rubenstein-Slesenger, Osha | Leibler Yavneh College | Elsternwick | Mathematical Methods | 44 |
| 824 | Rubinfeld, Cara Alina | Mount Scopus Memorial College | Burwood | Mathematical Methods | 40 |
| 825 | Russel, Rohan | Melbourne High School | South Yarra | Mathematical Methods | 46 |
| 826 | Russell, Clare Isabelle | Box Hill High School | Box Hill | Mathematical Methods | 42 |
| 827 | Ryan, Hudson Joshua | Caulfield Grammar School Caulfield | St Kilda East | Mathematical Methods | 44 |
| 828 | Sabin, Charlie Jack | Brighton Grammar School | Brighton | Mathematical Methods | 48 |
| 829 | Sachdeva, Karshin | Haileybury College | Keysborough | Mathematical Methods | 43 |
| 830 | Safwan, Farjad | Minaret College Officer | Officer | Mathematical Methods | 40 |
| 831 | Saha, Preethu | Suzanne Cory High School | Werribee | Mathematical Methods | 40 |
| 832 | Sahrawat, Sanat | Ivanhoe Grammar School Plenty | Doreen | Mathematical Methods | 44 |
| 833 | Sampath, Sanjeet | Melbourne Grammar School | Melbourne | Mathematical Methods | 44 |
| 834 | Sangars, Bhavaghna | Cathedral College | Wangaratta | Mathematical Methods | 45 |
| 835 | Saraullo, Anthony Sammy | Salesian College Chadstone | Chadstone | Mathematical Methods | 40 |
| 836 | Sarode, Aadi | Trinity Grammar School | Kew | Mathematical Methods | 42 |
| 837 | Sasuga, Keishi | Oxley Christian College | Chirnside Park | Mathematical Methods | 41 |
| 838 | Satyendra, Alex David | St Kevins College | Toorak | Mathematical Methods | 40 |
| 839 | Savahl, Sara | Mentone Girls Grammar School | Mentone | Mathematical Methods | 42 |
| 840 | Schlicht, Theodore Dennis | Xavier College | Kew | Mathematical Methods | 42 |
| 841 | Schlipalius, Alexander Luke | Waverley Christian College Wantirna South | Wantirna South | Mathematical Methods | 42 |
| 842 | Seligman, Charlotte Amy | University High School | Parkville | Mathematical Methods | 43 |
| 843 | Senaratne, Rivith Senuka | Nossal High School | Berwick | Mathematical Methods | 46 |
| 844 | Seneviratne, Anthony Dathen Rushil | Whitefriars College | Donvale | Mathematical Methods | 47 |
| 845 | Seneviratne, Nethaya Kishali Tashiya | Nossal High School | Berwick | Mathematical Methods | 41 |
| 846 | Seng, Panha Manith | Wellington Secondary College | Mulgrave | Mathematical Methods | 41 |
| 847 | Senthil Kumar, Raghav | Melbourne High School | South Yarra | Mathematical Methods | 45 |
| 848 | Seow, Erica Yuxuan | MacRobertson Girls High School | Melbourne | Mathematical Methods | 45 |
| 849 | Sha, Ryan Ruien | Caulfield Grammar School Wheelers Hill | Wheelers Hill | Mathematical Methods | 44 |
| 850 | Sha, Xiangmu | Yarra Valley Grammar School | Ringwood | Mathematical Methods | 48 |