| 51 | Bates, Hamish Luke | Cornish College | Bangholme | Mathematical Methods | 40 |
| 52 | Be, Ryan | Glen Waverley Secondary College | Glen Waverley | Mathematical Methods | 44 |
| 53 | Bell, Archer Conroy | Melbourne Grammar School | Melbourne | Mathematical Methods | 43 |
| 54 | Bennett, Ella Kate | Mentone Girls Secondary College | Mentone | Mathematical Methods | 42 |
| 55 | Bhangu, Jaspreet Singh | Keilor Downs College | Keilor Downs | Mathematical Methods | 40 |
| 56 | Bharadwaj, Atharva | John Monash Science School | Clayton | Mathematical Methods | 40 |
| 57 | Bhardwaj, Rachit | East Doncaster Secondary College | Doncaster East | Mathematical Methods | 42 |
| 58 | Bickerton, Matthew James | Highvale Secondary College | Glen Waverley | Mathematical Methods | 40 |
| 59 | Bie, David Junhong | Melbourne High School | South Yarra | Mathematical Methods | 44 |
| 60 | Biju, Kiran | Haileybury College | Keysborough | Mathematical Methods | 47 |
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| 61 | Bimba, Eduardas Paulius | Box Hill High School | Box Hill | Mathematical Methods | 40 |
| 62 | Black, Koju Sun | Brighton Grammar School | Brighton | Mathematical Methods | 41 |
| 63 | Blanch, Thomas Adam | Overnewton Anglican College | Keilor | Mathematical Methods | 44 |
| 64 | Bloch, Tali Shulamit | MacRobertson Girls High School | Melbourne | Mathematical Methods | 40 |
| 65 | Bo, Hua Ju | Haileybury Girls College | Keysborough | Mathematical Methods | 45 |
| 66 | Bomiriya, Dinel Nethmitha | Yarra Valley Grammar School | Ringwood | Mathematical Methods | 40 |
| 67 | Bong, Foo Khiong | Melbourne High School | South Yarra | Mathematical Methods | 45 |
| 68 | Borschmann, Angus | Kardinia International College | Bell Post Hill | Mathematical Methods | 42 |
| 69 | Bose, Agneev | Melbourne High School | South Yarra | Mathematical Methods | 45 |
| 70 | Botha, Deacon | Northcote High School | Northcote | Mathematical Methods | 47 |
| 71 | Boucherat, Chloe | Sacred Heart Girls College | Hughesdale | Mathematical Methods | 47 |
| 72 | Brahmanand, Rhea | Korowa Anglican Girls School | Glen Iris | Mathematical Methods | 40 |
| 73 | Brakovic, Benjamin Sead | Gleneagles Secondary College | Endeavour Hills | Mathematical Methods | 40 |
| 74 | Brear, Ines Ruth | Genazzano F.C.J. College | Kew | Mathematical Methods | 50 |
| 75 | Breen, Thomas Schubiger | Brighton Grammar School | Brighton | Mathematical Methods | 41 |
| 76 | Brennin, Isaac Harry | Eltham College of Education | Research | Mathematical Methods | 42 |
| 77 | Brewer, Hamish Lloyd | Penleigh and Essendon Grammar School | Keilor East | Mathematical Methods | 40 |
| 78 | Brewster, Laela Elizabeth | Trinity Grammar School | Kew | Mathematical Methods | 43 |
| 79 | Brick, Jaxson Callum | Bialik College | Hawthorn | Mathematical Methods | 43 |
| 80 | Brito-Mutunayagam, Cameron Rahul | Holy Trinity Lutheran College | Horsham | Mathematical Methods | 41 |
| 81 | Brodie, Isaac David | Koonung Secondary College | Mont Albert North | Mathematical Methods | 42 |
| 82 | Bronson, Mia | John Monash Science School | Clayton | Mathematical Methods | 41 |
| 83 | Broom, Will Raymond | Goulburn Valley Grammar School | Shepparton | Mathematical Methods | 43 |
| 84 | Brouwer, Imke Halliday | Ballarat Clarendon College | Ballarat | Mathematical Methods | 40 |
| 85 | Browne, Asher Dorian | Elisabeth Murdoch College | Langwarrin | Mathematical Methods | 40 |
| 86 | Brykman, Raphael | Leibler Yavneh College | Elsternwick | Mathematical Methods | 42 |
| 87 | Buckland, Alexander Patrick | St Kevins College | Toorak | Mathematical Methods | 40 |
| 88 | Buckle, Leo Charles Kazmer | Camberwell Grammar School | Canterbury | Mathematical Methods | 40 |
| 89 | Budgen, James Luke | St Leonards College | Brighton East | Mathematical Methods | 42 |
| 90 | Bui, Eleanore Jun Li | Methodist Ladies College | Kew | Mathematical Methods | 44 |
| 91 | Bui, Thien Xuan | John Monash Science School | Clayton | Mathematical Methods | 46 |
| 92 | Burchat, Ben Marian Gumusel | Princes Hill Secondary College | Princes Hill | Mathematical Methods | 40 |
| 93 | Burt, Declan John | Copperfield College | Delahey | Mathematical Methods | 43 |
| 94 | Busse, Kayla Jade | Huntingtower School | Mount Waverley | Mathematical Methods | 44 |
| 95 | Butler, Xavier Edward | Ballarat Grammar School | Wendouree | Mathematical Methods | 41 |
| 96 | Bylsma, Austin Jack | St Kevins College | Toorak | Mathematical Methods | 42 |
| 97 | Cai, Alan Yueran | Haileybury College | Keysborough | Mathematical Methods | 50 |
| 98 | Cai, Minxi | Oxley Christian College | Chirnside Park | Mathematical Methods | 44 |
| 99 | Cai, Wilson Tian Rui | Melbourne High School | South Yarra | Mathematical Methods | 40 |
| 100 | Calderone, Jason | John Monash Science School | Clayton | Mathematical Methods | 42 |