| 1 | Abbotsleigh | Wahroonga | Mathematics Extension 1 | 11 |
| 2 | Albion Park High School | Albion Park | Mathematics Extension 1 | 1 |
| 3 | Albury High School | Albury | Mathematics Extension 1 | 2 |
| 4 | All Saints Catholic Senior College | Casula | Mathematics Extension 1 | 7 |
| 5 | All Saints College Bathurst | Bathurst | Mathematics Extension 1 | 2 |
| 6 | All Saints College St Marys Campus | Maitland | Mathematics Extension 1 | 7 |
| 7 | Alstonville High School | Alstonville | Mathematics Extension 1 | 1 |
| 8 | Aquinas College | Menai | Mathematics Extension 1 | 5 |
| 9 | Arthur Phillip High School | Parramatta | Mathematics Extension 1 | 4 |
| 10 | Ascham School | Edgecliff | Mathematics Extension 1 | 14 |
| |
||||
| 11 | Ashfield Boys High School | Ashfield | Mathematics Extension 1 | 2 |
| 12 | Asquith Boys High School | Asquith | Mathematics Extension 1 | 1 |
| 13 | Australian International Academy Sydney Strathfield Campus | Strathfield | Mathematics Extension 1 | 1 |
| 14 | Australian International School Hong Kong | Kowloon Tong, Hong Kong | Mathematics Extension 1 | 4 |
| 15 | Australian International School Singapore | Singapore | Mathematics Extension 1 | 6 |
| 16 | Avondale School | Cooranbong | Mathematics Extension 1 | 3 |
| 17 | Bankstown Girls High School | Bankstown | Mathematics Extension 1 | 3 |
| 18 | Bankstown Senior College | Bankstown | Mathematics Extension 1 | 1 |
| 19 | Barker College | Hornsby | Mathematics Extension 1 | 27 |
| 20 | Baulkham Hills High School | Baulkham Hills | Mathematics Extension 1 | 88 |
| 21 | Bede Polding College | South Windsor | Mathematics Extension 1 | 1 |
| 22 | Belmont Christian College | Belmont North | Mathematics Extension 1 | 1 |
| 23 | Bethany College | Hurstville | Mathematics Extension 1 | 3 |
| 24 | Bethlehem College | Ashfield | Mathematics Extension 1 | 2 |
| 25 | Beverly Hills Girls High School | Beverly Hills | Mathematics Extension 1 | 15 |
| 26 | Birrong Girls High School | Birrong | Mathematics Extension 1 | 2 |
| 27 | Blakehurst High School | Blakehurst | Mathematics Extension 1 | 11 |
| 28 | Blue Mountains Grammar School | Wentworth Falls | Mathematics Extension 1 | 1 |
| 29 | Bomaderry High School | Bomaderry | Mathematics Extension 1 | 1 |
| 30 | Bonnyrigg High School | Bonnyrigg | Mathematics Extension 1 | 3 |
| 31 | Bossley Park High School | Bossley Park | Mathematics Extension 1 | 2 |
| 32 | Brigidine College Randwick | Randwick | Mathematics Extension 1 | 3 |
| 33 | Brigidine College St Ives | St Ives | Mathematics Extension 1 | 4 |
| 34 | Brisbane Water Secondary College Woy Woy Campus | Woy Woy | Mathematics Extension 1 | 1 |
| 35 | Broughton Anglican College | Menangle Park | Mathematics Extension 1 | 1 |
| 36 | Bulli High School | Bulli | Mathematics Extension 1 | 2 |
| 37 | Burwood Girls High School | Croydon | Mathematics Extension 1 | 20 |
| 38 | Byron Bay High School | Byron Bay | Mathematics Extension 1 | 2 |
| 39 | Cabramatta High School | Cabramatta | Mathematics Extension 1 | 8 |
| 40 | Camden High School | Camden | Mathematics Extension 1 | 2 |
| 41 | Canberra Grammar School | Red Hill, ACT | Mathematics Extension 1 | 17 |
| 42 | Canley Vale High School | Canley Vale | Mathematics Extension 1 | 9 |
| 43 | Canterbury Boys High School | Ashbury | Mathematics Extension 1 | 4 |
| 44 | Canterbury Girls High School | Canterbury | Mathematics Extension 1 | 3 |
| 45 | Caringbah High School | Caringbah | Mathematics Extension 1 | 29 |
| 46 | Carlingford High School | Carlingford | Mathematics Extension 1 | 14 |
| 47 | Castle Hill High School | Castle Hill | Mathematics Extension 1 | 1 |
| 48 | Catherine McAuley Westmead | Westmead | Mathematics Extension 1 | 3 |
| 49 | Cecil Hills High School | Cecil Hills | Mathematics Extension 1 | 1 |
| 50 | Central Coast Adventist School | Erina | Mathematics Extension 1 | 1 |
Source: NSW Education Standards Authority (NESA).
Supplementary data from school publications.
Supplementary data from school publications.
Last Updated: 22 Feb 2021