| 1 | Abbotsleigh | Wahroonga | Mathematics Extension 2 | 14 |
| 2 | Al Noori Muslim School Senior Campus | Greenacre | Mathematics Extension 2 | 2 |
| 3 | Al-Faisal College | Auburn | Mathematics Extension 2 | 10 |
| 4 | Alpha Omega Senior College | Auburn | Mathematics Extension 2 | 2 |
| 5 | Amity College Prestons | Prestons | Mathematics Extension 2 | 1 |
| 6 | Ascham School | Edgecliff | Mathematics Extension 2 | 7 |
| 7 | Asquith Boys High School | Asquith | Mathematics Extension 2 | 2 |
| 8 | Asquith Girls High School | Asquith | Mathematics Extension 2 | 1 |
| 9 | Australian International School Hong Kong | Kowloon Tong, Hong Kong | Mathematics Extension 2 | 1 |
| 10 | Barker College | Hornsby | Mathematics Extension 2 | 12 |
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| 11 | Baulkham Hills High School | Baulkham Hills | Mathematics Extension 2 | 63 |
| 12 | Bega High School | Bega | Mathematics Extension 2 | 1 |
| 13 | Bethany College | Hurstville | Mathematics Extension 2 | 2 |
| 14 | Blacktown Boys High School | Blacktown | Mathematics Extension 2 | 2 |
| 15 | Blaxland High School | Blaxland | Mathematics Extension 2 | 1 |
| 16 | Bonnyrigg High School | Bonnyrigg | Mathematics Extension 2 | 2 |
| 17 | Brigidine College Randwick | Randwick | Mathematics Extension 2 | 1 |
| 18 | Burwood Girls High School | Croydon | Mathematics Extension 2 | 5 |
| 19 | Canberra Grammar School | Red Hill, ACT | Mathematics Extension 2 | 2 |
| 20 | Canley Vale High School | Canley Vale | Mathematics Extension 2 | 6 |
| 21 | Caringbah High School | Caringbah | Mathematics Extension 2 | 13 |
| 22 | Carlingford High School | Carlingford | Mathematics Extension 2 | 7 |
| 23 | Casimir Catholic College | Marrickville | Mathematics Extension 2 | 1 |
| 24 | Castle Hill High School | Castle Hill | Mathematics Extension 2 | 3 |
| 25 | Casula High School | Casula | Mathematics Extension 2 | 1 |
| 26 | Catherine McAuley Westmead | Westmead | Mathematics Extension 2 | 1 |
| 27 | Cerdon College | Merrylands | Mathematics Extension 2 | 1 |
| 28 | Chatswood High School | Chatswood | Mathematics Extension 2 | 11 |
| 29 | Cherrybrook Technology High School | Cherrybrook | Mathematics Extension 2 | 8 |
| 30 | Chester Hill High School | Chester Hill | Mathematics Extension 2 | 3 |
| 31 | Chevalier College | Burradoo | Mathematics Extension 2 | 1 |
| 32 | Christian Brothers High School Lewisham | Lewisham | Mathematics Extension 2 | 1 |
| 33 | Clancy Catholic College | West Hoxton | Mathematics Extension 2 | 1 |
| 34 | Concord High School | Concord | Mathematics Extension 2 | 3 |
| 35 | Conservatorium High School | Sydney | Mathematics Extension 2 | 5 |
| 36 | Covenant Christian School | Belrose | Mathematics Extension 2 | 1 |
| 37 | Cranbrook School | Bellevue Hill | Mathematics Extension 2 | 2 |
| 38 | Cumberland High School | Carlingford | Mathematics Extension 2 | 1 |
| 39 | Danebank An Anglican School for Girls | Hurstville | Mathematics Extension 2 | 2 |
| 40 | De La Salle College Revesby Heights | Revesby Heights | Mathematics Extension 2 | 1 |
| 41 | Duval High School | Armidale | Mathematics Extension 2 | 1 |
| 42 | East Hills Girls Technology High School | Panania | Mathematics Extension 2 | 1 |
| 43 | Emanuel School | Randwick | Mathematics Extension 2 | 2 |
| 44 | Epping Boys High School | Eastwood | Mathematics Extension 2 | 6 |
| 45 | Finigan School of Distance Education | Queanbeyan | Mathematics Extension 2 | 1 |
| 46 | Fort Street High School | Petersham | Mathematics Extension 2 | 14 |
| 47 | Freeman Catholic College | Bonnyrigg Heights | Mathematics Extension 2 | 4 |
| 48 | Frensham School | Mittagong | Mathematics Extension 2 | 1 |
| 49 | Georges River College Oatley Senior Campus | Oatley | Mathematics Extension 2 | 2 |
| 50 | Georges River Grammar | Georges Hall | Mathematics Extension 2 | 3 |