| 51 | Barsoum, Nathan | Strathmore Secondary College | Strathmore | Mathematical Methods | 41 |
| 52 | Bartlinski, Victor Andrzej | St Kevins College | Toorak | Mathematical Methods | 43 |
| 53 | Barwood, Matthew Peter | Brighton Grammar School | Brighton | Mathematical Methods | 48 |
| 54 | Bassi, Lavya | Melbourne High School | South Yarra | Mathematical Methods | 49 |
| 55 | Bates, Natasha Charlotte | Mount Eliza Secondary College | Mount Eliza | Mathematical Methods | 41 |
| 56 | Bath-Samarakoon, Ruchi Nihinsa Kaur | Penleigh and Essendon Grammar School | Keilor East | Mathematical Methods | 45 |
| 57 | Begbie, Tony Nguyen | St Patricks College | Ballarat | Mathematical Methods | 44 |
| 58 | Bell, Christopher Matthew Moshing | Melbourne Grammar School | Melbourne | Mathematical Methods | 44 |
| 59 | Bellingham, Mitchell | St Pauls Anglican Grammar School | Warragul | Mathematical Methods | 43 |
| 60 | Benjamin, Alphonsa | MacRobertson Girls High School | Melbourne | Mathematical Methods | 40 |
| |
|||||
| 61 | Benson, Samuel Michael | Luther College | Croydon Hills | Mathematical Methods | 43 |
| 62 | Berani, Kapilrishi Ved | St Michaels Grammar School | St Kilda | Mathematical Methods | 45 |
| 63 | Bergmann, Kaila Emma | Ringwood Secondary College | Ringwood | Mathematical Methods | 42 |
| 64 | Bharathan, Arangan | Haileybury College | Keysborough | Mathematical Methods | 41 |
| 65 | Bhasker, Aditya Gautam | Nossal High School | Berwick | Mathematical Methods | 44 |
| 66 | Bhatt, Ruchir | Oberon High School | Armstrong Creek | Mathematical Methods | 41 |
| 67 | Bhatt, Saahchi | Sacred Heart Girls College | Hughesdale | Mathematical Methods | 42 |
| 68 | Binu, Kevin | Nossal High School | Berwick | Mathematical Methods | 42 |
| 69 | Black, Sebastian Gavin | Girton Grammar School | Bendigo | Mathematical Methods | 40 |
| 70 | Blackney, Nicholas Mahony | Xavier College | Kew | Mathematical Methods | 43 |
| 71 | Blamey, Samuel Nicholas | Melbourne Grammar School | Melbourne | Mathematical Methods | 42 |
| 72 | Blanch, James Michael | Trinity Grammar School | Kew | Mathematical Methods | 41 |
| 73 | Bloomer, Caleb Joshua | Templestowe College | Templestowe Lower | Mathematical Methods | 42 |
| 74 | Blyth, Mason Harrison | Geelong High School | East Geelong | Mathematical Methods | 43 |
| 75 | Bo, Tianyi | Methodist Ladies College | Kew | Mathematical Methods | 44 |
| 76 | Bodeit, Sabina Ella | Presbyterian Ladies College | Burwood | Mathematical Methods | 40 |
| 77 | Bonham, Jessica Isabel | Kilvington Grammar School | Ormond | Mathematical Methods | 40 |
| 78 | Bonney, Owen Duncan | Bellarine Secondary College | Drysdale | Mathematical Methods | 40 |
| 79 | Booth, Chloe Amara | Lowther Hall Anglican Grammar School | Essendon | Mathematical Methods | 47 |
| 80 | Borrell, Justin Pattaragorn | Mount Beauty Secondary College | Mount Beauty | Mathematical Methods | 40 |
| 81 | Bosco, Joeshton Hans | Melbourne High School | South Yarra | Mathematical Methods | 43 |
| 82 | Bosmans, Benjamin Daniel | Camberwell Grammar School | Canterbury | Mathematical Methods | 44 |
| 83 | Boundy, Jackson Fraser | Aquinas College | Ringwood | Mathematical Methods | 41 |
| 84 | Bowen, Zachary Newton | Brighton Grammar School | Brighton | Mathematical Methods | 42 |
| 85 | Bowyer, Emmy Jane | The Geelong College | Newtown | Mathematical Methods | 40 |
| 86 | Branagan, Olivia Carli | Genazzano F.C.J. College | Kew | Mathematical Methods | 40 |
| 87 | Brasacchio, Matthew Sam Christian | Ivanhoe Grammar School Ridgeway | Ivanhoe | Mathematical Methods | 40 |
| 88 | Brindley, Isabel Margaret | Melbourne Girls Grammar | South Yarra | Mathematical Methods | 47 |
| 89 | Brito-Mutunayagam, Ryan Roshil | Holy Trinity Lutheran College | Horsham | Mathematical Methods | 42 |
| 90 | Broadbent, Genevieve Mary | Eltham High School | Eltham | Mathematical Methods | 40 |
| 91 | Broch, Sonia Jennifer | John Monash Science School | Clayton | Mathematical Methods | 43 |
| 92 | Broeren, Jules Matthew | Eltham High School | Eltham | Mathematical Methods | 41 |
| 93 | Brooks, Michaela Bernadette | Star of the Sea College | Brighton | Mathematical Methods | 42 |
| 94 | Broome, Harper Jake | University High School | Parkville | Mathematical Methods | 43 |
| 95 | Brosnan, Hamish Gerald | Newhaven College | Rhyll | Mathematical Methods | 48 |
| 96 | Brouwer, Flynn Ramus | Ballarat Clarendon College | Ballarat | Mathematical Methods | 41 |
| 97 | Brown, Greta | St Leonards College | Brighton East | Mathematical Methods | 43 |
| 98 | Brown, Timothy Isaac | Vermont Secondary College | Vermont | Mathematical Methods | 40 |
| 99 | Bruce, Emma Ryland | Caulfield Grammar School Caulfield | St Kilda East | Mathematical Methods | 41 |
| 100 | Burgemeister, Pj | Northcote High School | Northcote | Mathematical Methods | 42 |