| 1 | Abbotsleigh | Wahroonga | Mathematics | 35 |
| 2 | Al Sadiq College Greenacre | Greenacre | Mathematics | 1 |
| 3 | Al-Faisal College | Auburn | Mathematics | 7 |
| 4 | Albion Park High School | Albion Park | Mathematics | 1 |
| 5 | Albury High School | Albury | Mathematics | 2 |
| 6 | Alexandria Park Community School | Alexandria | Mathematics | 2 |
| 7 | All Saints Catholic Senior College | Casula | Mathematics | 8 |
| 8 | All Saints College St Marys Campus | Maitland | Mathematics | 4 |
| 9 | All Saints Greek Orthodox Grammar School | Belmore | Mathematics | 2 |
| 10 | Alpha Omega Senior College | Auburn | Mathematics | 17 |
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| 11 | Alstonville High School | Alstonville | Mathematics | 3 |
| 12 | Amity College Prestons | Prestons | Mathematics | 26 |
| 13 | Aquinas College | Menai | Mathematics | 5 |
| 14 | Arden Anglican School Epping Campus | Epping | Mathematics | 7 |
| 15 | Arndell Anglican College | Oakville | Mathematics | 3 |
| 16 | Arthur Phillip High School | Parramatta | Mathematics | 3 |
| 17 | Ascham School | Edgecliff | Mathematics | 17 |
| 18 | Ashcroft High School | Ashcroft | Mathematics | 2 |
| 19 | Ashfield Boys High School | Ashfield | Mathematics | 6 |
| 20 | Asquith Boys High School | Asquith | Mathematics | 3 |
| 21 | Auburn Girls High School | Auburn | Mathematics | 1 |
| 22 | Australian International School Hong Kong | Kowloon Tong, Hong Kong | Mathematics | 5 |
| 23 | Australian International School Malaysia | Selangor, Malaysia | Mathematics | 2 |
| 24 | Australian International School Singapore | Singapore | Mathematics | 4 |
| 25 | Australian Performing Arts Grammar School | Glebe | Mathematics | 1 |
| 26 | Avondale School | Cooranbong | Mathematics | 3 |
| 27 | Barker College | Hornsby | Mathematics | 43 |
| 28 | Barrenjoey High School | Avalon | Mathematics | 1 |
| 29 | Baulkham Hills High School | Baulkham Hills | Mathematics | 68 |
| 30 | Bede Polding College | South Windsor | Mathematics | 5 |
| 31 | Bega High School | Bega | Mathematics | 2 |
| 32 | Bethany College | Hurstville | Mathematics | 4 |
| 33 | Beverly Hills Girls High School | Beverly Hills | Mathematics | 4 |
| 34 | Birrong Boys High School | Birrong | Mathematics | 1 |
| 35 | Birrong Girls High School | Birrong | Mathematics | 6 |
| 36 | Bishop Tyrrell Anglican College | Fletcher | Mathematics | 1 |
| 37 | Blakehurst High School | Blakehurst | Mathematics | 17 |
| 38 | Blaxland High School | Blaxland | Mathematics | 3 |
| 39 | Blue Hills College | Goonellabah | Mathematics | 1 |
| 40 | Blue Mountains Grammar School | Wentworth Falls | Mathematics | 1 |
| 41 | Bonnyrigg High School | Bonnyrigg | Mathematics | 11 |
| 42 | Bossley Park High School | Bossley Park | Mathematics | 4 |
| 43 | Bowral High School | Bowral | Mathematics | 1 |
| 44 | Bradfield College | St Leonards | Mathematics | 1 |
| 45 | Brigidine College Randwick | Randwick | Mathematics | 10 |
| 46 | Brigidine College St Ives | St Ives | Mathematics | 18 |
| 47 | Brisbane Water Secondary College Woy Woy Campus | Woy Woy | Mathematics | 2 |
| 48 | Broughton Anglican College | Menangle Park | Mathematics | 3 |
| 49 | Bulli High School | Bulli | Mathematics | 1 |
| 50 | Burwood Girls High School | Croydon | Mathematics | 11 |