| 1 | Abbotsleigh | Wahroonga | Mathematics Extension 1 | 19 |
| 2 | Al Amanah College | Liverpool | Mathematics Extension 1 | 1 |
| 3 | Al Noori Muslim School Senior Campus | Greenacre | Mathematics Extension 1 | 5 |
| 4 | Al-Faisal College | Auburn | Mathematics Extension 1 | 8 |
| 5 | Albury High School | Albury | Mathematics Extension 1 | 1 |
| 6 | Alexandria Park Community School | Alexandria | Mathematics Extension 1 | 5 |
| 7 | All Saints Catholic Senior College | Casula | Mathematics Extension 1 | 1 |
| 8 | Alpha Omega Senior College | Auburn | Mathematics Extension 1 | 5 |
| 9 | Alstonville High School | Alstonville | Mathematics Extension 1 | 2 |
| 10 | Amity College Prestons | Prestons | Mathematics Extension 1 | 7 |
| |
||||
| 11 | Aquinas College | Menai | Mathematics Extension 1 | 1 |
| 12 | Arden Anglican School Epping Campus | Epping | Mathematics Extension 1 | 7 |
| 13 | Armidale High School | Armidale | Mathematics Extension 1 | 3 |
| 14 | Arndell Anglican College | Oakville | Mathematics Extension 1 | 1 |
| 15 | Arthur Phillip High School | Parramatta | Mathematics Extension 1 | 7 |
| 16 | Ascham School | Edgecliff | Mathematics Extension 1 | 17 |
| 17 | Ashfield Boys High School | Ashfield | Mathematics Extension 1 | 1 |
| 18 | Asquith Boys High School | Asquith | Mathematics Extension 1 | 2 |
| 19 | Australian International School Hong Kong | Kowloon Tong, Hong Kong | Mathematics Extension 1 | 4 |
| 20 | Australian International School Singapore | Singapore | Mathematics Extension 1 | 1 |
| 21 | Avondale School | Cooranbong | Mathematics Extension 1 | 3 |
| 22 | Bankstown Senior College | Bankstown | Mathematics Extension 1 | 3 |
| 23 | Barker College | Hornsby | Mathematics Extension 1 | 31 |
| 24 | Baulkham Hills High School | Baulkham Hills | Mathematics Extension 1 | 144 |
| 25 | Bethany College | Hurstville | Mathematics Extension 1 | 1 |
| 26 | Bethlehem College | Ashfield | Mathematics Extension 1 | 6 |
| 27 | Beverly Hills Girls High School | Beverly Hills | Mathematics Extension 1 | 7 |
| 28 | Birrong Girls High School | Birrong | Mathematics Extension 1 | 1 |
| 29 | Bishop Druitt College | Coffs Harbour | Mathematics Extension 1 | 2 |
| 30 | Blacktown Boys High School | Blacktown | Mathematics Extension 1 | 1 |
| 31 | Blacktown Girls High School | Blacktown | Mathematics Extension 1 | 1 |
| 32 | Blakehurst High School | Blakehurst | Mathematics Extension 1 | 11 |
| 33 | Blaxland High School | Blaxland | Mathematics Extension 1 | 2 |
| 34 | Blue Mountains Grammar School | Wentworth Falls | Mathematics Extension 1 | 1 |
| 35 | Bonnyrigg High School | Bonnyrigg | Mathematics Extension 1 | 8 |
| 36 | Bossley Park High School | Bossley Park | Mathematics Extension 1 | 4 |
| 37 | Bowral High School | Bowral | Mathematics Extension 1 | 1 |
| 38 | Brigidine College Randwick | Randwick | Mathematics Extension 1 | 4 |
| 39 | Brigidine College St Ives | St Ives | Mathematics Extension 1 | 7 |
| 40 | Broughton Anglican College | Menangle Park | Mathematics Extension 1 | 2 |
| 41 | Bulli High School | Bulli | Mathematics Extension 1 | 1 |
| 42 | Burwood Girls High School | Croydon | Mathematics Extension 1 | 15 |
| 43 | Byron Bay High School | Byron Bay | Mathematics Extension 1 | 3 |
| 44 | Cabramatta High School | Cabramatta | Mathematics Extension 1 | 13 |
| 45 | Calrossy Anglican School | Tamworth | Mathematics Extension 1 | 2 |
| 46 | Camden Haven High School | Laurieton | Mathematics Extension 1 | 3 |
| 47 | Campbelltown Performing Arts High School | Campbelltown | Mathematics Extension 1 | 1 |
| 48 | Canberra Grammar School | Red Hill, ACT | Mathematics Extension 1 | 9 |
| 49 | Canley Vale High School | Canley Vale | Mathematics Extension 1 | 25 |
| 50 | Canterbury Boys High School | Ashbury | Mathematics Extension 1 | 1 |
Source: NSW Education Standards Authority (NESA).
Supplementary data from school publications.
Supplementary data from school publications.
Last Updated: 14 Feb 2023