| 1 | Abbotsleigh | Wahroonga | Mathematics Extension 2 | 6 |
| 2 | Al-Faisal College | Auburn | Mathematics Extension 2 | 4 |
| 3 | Alexandria Park Community School | Alexandria | Mathematics Extension 2 | 4 |
| 4 | All Saints Catholic Senior College | Casula | Mathematics Extension 2 | 1 |
| 5 | Alpha Omega Senior College | Auburn | Mathematics Extension 2 | 8 |
| 6 | Amity College Prestons | Prestons | Mathematics Extension 2 | 5 |
| 7 | Arden Anglican School Epping Campus | Epping | Mathematics Extension 2 | 1 |
| 8 | Arthur Phillip High School | Parramatta | Mathematics Extension 2 | 3 |
| 9 | Ascham School | Edgecliff | Mathematics Extension 2 | 3 |
| 10 | Ashfield Boys High School | Ashfield | Mathematics Extension 2 | 2 |
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| 11 | Australian International School Singapore | Singapore | Mathematics Extension 2 | 2 |
| 12 | Bankstown Senior College | Bankstown | Mathematics Extension 2 | 1 |
| 13 | Barker College | Hornsby | Mathematics Extension 2 | 7 |
| 14 | Baulkham Hills High School | Baulkham Hills | Mathematics Extension 2 | 75 |
| 15 | Blacktown Boys High School | Blacktown | Mathematics Extension 2 | 1 |
| 16 | Blakehurst High School | Blakehurst | Mathematics Extension 2 | 6 |
| 17 | Blaxland High School | Blaxland | Mathematics Extension 2 | 1 |
| 18 | Blue Mountains Grammar School | Wentworth Falls | Mathematics Extension 2 | 1 |
| 19 | Bonnyrigg High School | Bonnyrigg | Mathematics Extension 2 | 2 |
| 20 | Bossley Park High School | Bossley Park | Mathematics Extension 2 | 2 |
| 21 | Brigidine College Randwick | Randwick | Mathematics Extension 2 | 1 |
| 22 | Brigidine College St Ives | St Ives | Mathematics Extension 2 | 1 |
| 23 | Brisbane Water Secondary College Woy Woy Campus | Woy Woy | Mathematics Extension 2 | 1 |
| 24 | Bulli High School | Bulli | Mathematics Extension 2 | 2 |
| 25 | Burwood Girls High School | Croydon | Mathematics Extension 2 | 2 |
| 26 | Cabramatta High School | Cabramatta | Mathematics Extension 2 | 2 |
| 27 | Canberra Grammar School | Red Hill, ACT | Mathematics Extension 2 | 4 |
| 28 | Canley Vale High School | Canley Vale | Mathematics Extension 2 | 13 |
| 29 | Canterbury Girls High School | Canterbury | Mathematics Extension 2 | 1 |
| 30 | Caringbah High School | Caringbah | Mathematics Extension 2 | 14 |
| 31 | Carlingford High School | Carlingford | Mathematics Extension 2 | 9 |
| 32 | Casino Christian School | North Casino | Mathematics Extension 2 | 1 |
| 33 | Castle Hill High School | Castle Hill | Mathematics Extension 2 | 9 |
| 34 | Central Coast Grammar School | Erina Heights | Mathematics Extension 2 | 1 |
| 35 | Champagnat Catholic College | Maroubra | Mathematics Extension 2 | 1 |
| 36 | Chatswood High School | Chatswood | Mathematics Extension 2 | 3 |
| 37 | Cheltenham Girls High School | Beecroft | Mathematics Extension 2 | 8 |
| 38 | Cherrybrook Technology High School | Cherrybrook | Mathematics Extension 2 | 4 |
| 39 | Chester Hill High School | Chester Hill | Mathematics Extension 2 | 2 |
| 40 | Christian Brothers High School Lewisham | Lewisham | Mathematics Extension 2 | 3 |
| 41 | Clement College | Cabramatta | Mathematics Extension 2 | 1 |
| 42 | Colo High School | North Richmond | Mathematics Extension 2 | 1 |
| 43 | Concord High School | Concord | Mathematics Extension 2 | 4 |
| 44 | Conservatorium High School | Sydney | Mathematics Extension 2 | 2 |
| 45 | Covenant Christian School | Belrose | Mathematics Extension 2 | 2 |
| 46 | Cranbrook School | Bellevue Hill | Mathematics Extension 2 | 11 |
| 47 | Danebank An Anglican School for Girls | Hurstville | Mathematics Extension 2 | 1 |
| 48 | Duval High School | Armidale | Mathematics Extension 2 | 1 |
| 49 | East Hills Girls Technology High School | Panania | Mathematics Extension 2 | 1 |
| 50 | Edmund Rice College | West Wollongong | Mathematics Extension 2 | 2 |
Source: NSW Education Standards Authority (NESA).
Supplementary data from school publications.
Supplementary data from school publications.
Last Updated: 14 Feb 2023