| 1 | Abbotsleigh | Wahroonga | Mathematics Extension 1 | 15 |
| 2 | Al Amanah College | Liverpool | Mathematics Extension 1 | 1 |
| 3 | Albury High School | Albury | Mathematics Extension 1 | 3 |
| 4 | All Saints Catholic Senior College | Casula | Mathematics Extension 1 | 5 |
| 5 | All Saints College St Marys Campus | Maitland | Mathematics Extension 1 | 1 |
| 6 | All Saints Greek Orthodox Grammar School | Belmore | Mathematics Extension 1 | 1 |
| 7 | Alstonville High School | Alstonville | Mathematics Extension 1 | 3 |
| 8 | Ambarvale High School | Rosemeadow | Mathematics Extension 1 | 1 |
| 9 | Aquinas College | Menai | Mathematics Extension 1 | 2 |
| 10 | Arden Anglican School Epping Campus | Epping | Mathematics Extension 1 | 2 |
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| 11 | Arndell Anglican College | Oakville | Mathematics Extension 1 | 1 |
| 12 | Arthur Phillip High School | Parramatta | Mathematics Extension 1 | 7 |
| 13 | Ascham School | Edgecliff | Mathematics Extension 1 | 13 |
| 14 | Ashfield Boys High School | Ashfield | Mathematics Extension 1 | 10 |
| 15 | Asquith Boys High School | Asquith | Mathematics Extension 1 | 1 |
| 16 | Asquith Girls High School | Asquith | Mathematics Extension 1 | 6 |
| 17 | Australian International School Hong Kong | Kowloon Tong, Hong Kong | Mathematics Extension 1 | 8 |
| 18 | Australian International School Singapore | Singapore | Mathematics Extension 1 | 1 |
| 19 | Avondale School | Cooranbong | Mathematics Extension 1 | 3 |
| 20 | Barker College | Hornsby | Mathematics Extension 1 | 22 |
| 21 | Barrenjoey High School | Avalon | Mathematics Extension 1 | 1 |
| 22 | Bass High School | Bass Hill | Mathematics Extension 1 | 1 |
| 23 | Baulkham Hills High School | Baulkham Hills | Mathematics Extension 1 | 109 |
| 24 | Bede Polding College | South Windsor | Mathematics Extension 1 | 2 |
| 25 | Bega High School | Bega | Mathematics Extension 1 | 1 |
| 26 | Belmont Christian College | Belmont North | Mathematics Extension 1 | 2 |
| 27 | Belmont High School | Belmont | Mathematics Extension 1 | 1 |
| 28 | Belmore Boys High School | Belmore | Mathematics Extension 1 | 1 |
| 29 | Bethany College | Hurstville | Mathematics Extension 1 | 4 |
| 30 | Bethlehem College | Ashfield | Mathematics Extension 1 | 5 |
| 31 | Beverly Hills Girls High School | Beverly Hills | Mathematics Extension 1 | 6 |
| 32 | Birrong Girls High School | Birrong | Mathematics Extension 1 | 4 |
| 33 | Bishop Druitt College | Coffs Harbour | Mathematics Extension 1 | 4 |
| 34 | Bishop Tyrrell Anglican College | Fletcher | Mathematics Extension 1 | 1 |
| 35 | Blakehurst High School | Blakehurst | Mathematics Extension 1 | 13 |
| 36 | Blaxland High School | Blaxland | Mathematics Extension 1 | 3 |
| 37 | Blue Mountains Grammar School | Wentworth Falls | Mathematics Extension 1 | 5 |
| 38 | Bonnyrigg High School | Bonnyrigg | Mathematics Extension 1 | 3 |
| 39 | Bossley Park High School | Bossley Park | Mathematics Extension 1 | 2 |
| 40 | Bowral High School | Bowral | Mathematics Extension 1 | 1 |
| 41 | Brigidine College Randwick | Randwick | Mathematics Extension 1 | 3 |
| 42 | Brigidine College St Ives | St Ives | Mathematics Extension 1 | 2 |
| 43 | Broughton Anglican College | Menangle Park | Mathematics Extension 1 | 2 |
| 44 | Burwood Girls High School | Croydon | Mathematics Extension 1 | 17 |
| 45 | Byron Bay High School | Byron Bay | Mathematics Extension 1 | 1 |
| 46 | Cabramatta High School | Cabramatta | Mathematics Extension 1 | 4 |
| 47 | Calrossy Anglican School | Tamworth | Mathematics Extension 1 | 2 |
| 48 | Canberra Grammar School | Red Hill, ACT | Mathematics Extension 1 | 8 |
| 49 | Canley Vale High School | Canley Vale | Mathematics Extension 1 | 18 |
| 50 | Canterbury Boys High School | Ashbury | Mathematics Extension 1 | 3 |
Source: NSW Education Standards Authority (NESA).
Supplementary data from school publications.
Supplementary data from school publications.
Last Updated: 27 Jan 2021