| 1 | Abbotsleigh | Wahroonga | Mathematics Extension 2 | 6 |
| 2 | Al Noori Muslim School Senior Campus | Greenacre | Mathematics Extension 2 | 2 |
| 3 | Al-Faisal College | Auburn | Mathematics Extension 2 | 7 |
| 4 | Albury High School | Albury | Mathematics Extension 2 | 1 |
| 5 | Alexandria Park Community School | Alexandria | Mathematics Extension 2 | 1 |
| 6 | All Saints College St Marys Campus | Maitland | Mathematics Extension 2 | 2 |
| 7 | Alpha Omega Senior College | Auburn | Mathematics Extension 2 | 3 |
| 8 | Alstonville High School | Alstonville | Mathematics Extension 2 | 2 |
| 9 | Amity College Prestons | Prestons | Mathematics Extension 2 | 2 |
| 10 | Arden Anglican School Epping Campus | Epping | Mathematics Extension 2 | 1 |
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| 11 | Arndell Anglican College | Oakville | Mathematics Extension 2 | 1 |
| 12 | Arthur Phillip High School | Parramatta | Mathematics Extension 2 | 1 |
| 13 | Ascham School | Edgecliff | Mathematics Extension 2 | 1 |
| 14 | Ashfield Boys High School | Ashfield | Mathematics Extension 2 | 1 |
| 15 | Asquith Girls High School | Asquith | Mathematics Extension 2 | 1 |
| 16 | Barker College | Hornsby | Mathematics Extension 2 | 12 |
| 17 | Baulkham Hills High School | Baulkham Hills | Mathematics Extension 2 | 67 |
| 18 | Bethany College | Hurstville | Mathematics Extension 2 | 1 |
| 19 | Blacktown Boys High School | Blacktown | Mathematics Extension 2 | 2 |
| 20 | Blakehurst High School | Blakehurst | Mathematics Extension 2 | 2 |
| 21 | Blaxland High School | Blaxland | Mathematics Extension 2 | 1 |
| 22 | Bonnyrigg High School | Bonnyrigg | Mathematics Extension 2 | 5 |
| 23 | Burwood Girls High School | Croydon | Mathematics Extension 2 | 2 |
| 24 | Cabramatta High School | Cabramatta | Mathematics Extension 2 | 1 |
| 25 | Calrossy Anglican School | Tamworth | Mathematics Extension 2 | 1 |
| 26 | Canberra Grammar School | Red Hill, ACT | Mathematics Extension 2 | 3 |
| 27 | Canley Vale High School | Canley Vale | Mathematics Extension 2 | 4 |
| 28 | Canterbury Girls High School | Canterbury | Mathematics Extension 2 | 1 |
| 29 | Caringbah High School | Caringbah | Mathematics Extension 2 | 13 |
| 30 | Carlingford High School | Carlingford | Mathematics Extension 2 | 11 |
| 31 | Castle Hill High School | Castle Hill | Mathematics Extension 2 | 8 |
| 32 | Central Coast Grammar School | Erina Heights | Mathematics Extension 2 | 1 |
| 33 | Chatswood High School | Chatswood | Mathematics Extension 2 | 8 |
| 34 | Cheltenham Girls High School | Beecroft | Mathematics Extension 2 | 8 |
| 35 | Cherrybrook Technology High School | Cherrybrook | Mathematics Extension 2 | 8 |
| 36 | Chester Hill High School | Chester Hill | Mathematics Extension 2 | 1 |
| 37 | Coffs Harbour High School | Coffs Harbour | Mathematics Extension 2 | 1 |
| 38 | Concord High School | Concord | Mathematics Extension 2 | 3 |
| 39 | Cranbrook School | Bellevue Hill | Mathematics Extension 2 | 10 |
| 40 | Crestwood High School | Baulkham Hills | Mathematics Extension 2 | 1 |
| 41 | Cumberland High School | Carlingford | Mathematics Extension 2 | 1 |
| 42 | De La Salle College Ashfield | Ashfield | Mathematics Extension 2 | 1 |
| 43 | Duval High School | Armidale | Mathematics Extension 2 | 1 |
| 44 | East Hills Girls Technology High School | Panania | Mathematics Extension 2 | 1 |
| 45 | Elizabeth Macarthur High School | Narellan | Mathematics Extension 2 | 1 |
| 46 | Emanuel School | Randwick | Mathematics Extension 2 | 2 |
| 47 | Epping Boys High School | Eastwood | Mathematics Extension 2 | 6 |
| 48 | Fairvale High School | Fairfield West | Mathematics Extension 2 | 2 |
| 49 | Fort Street High School | Petersham | Mathematics Extension 2 | 17 |
| 50 | Freeman Catholic College | Bonnyrigg Heights | Mathematics Extension 2 | 2 |