| 1 | Abbotsleigh | Wahroonga | Mathematics Extension 2 | 4 |
| 2 | Alexandria Park Community School | Alexandria | Mathematics Extension 2 | 3 |
| 3 | Alstonville High School | Alstonville | Mathematics Extension 2 | 1 |
| 4 | Ambarvale High School | Rosemeadow | Mathematics Extension 2 | 1 |
| 5 | Arden Anglican School Epping Campus | Epping | Mathematics Extension 2 | 1 |
| 6 | Arthur Phillip High School | Parramatta | Mathematics Extension 2 | 1 |
| 7 | Ascham School | Edgecliff | Mathematics Extension 2 | 5 |
| 8 | Ashfield Boys High School | Ashfield | Mathematics Extension 2 | 1 |
| 9 | Australian International School Hong Kong | Kowloon Tong, Hong Kong | Mathematics Extension 2 | 4 |
| 10 | Australian International School Malaysia | Selangor, Malaysia | Mathematics Extension 2 | 1 |
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| 11 | Avondale School | Cooranbong | Mathematics Extension 2 | 1 |
| 12 | Barker College | Hornsby | Mathematics Extension 2 | 10 |
| 13 | Baulkham Hills High School | Baulkham Hills | Mathematics Extension 2 | 67 |
| 14 | Bede Polding College | South Windsor | Mathematics Extension 2 | 1 |
| 15 | Bethlehem College | Ashfield | Mathematics Extension 2 | 5 |
| 16 | Beverly Hills Girls High School | Beverly Hills | Mathematics Extension 2 | 2 |
| 17 | Birrong Boys High School | Birrong | Mathematics Extension 2 | 1 |
| 18 | Bishop Druitt College | Coffs Harbour | Mathematics Extension 2 | 3 |
| 19 | Blakehurst High School | Blakehurst | Mathematics Extension 2 | 11 |
| 20 | Blaxland High School | Blaxland | Mathematics Extension 2 | 2 |
| 21 | Bossley Park High School | Bossley Park | Mathematics Extension 2 | 2 |
| 22 | Brigidine College Randwick | Randwick | Mathematics Extension 2 | 3 |
| 23 | Broughton Anglican College | Menangle Park | Mathematics Extension 2 | 2 |
| 24 | Burwood Girls High School | Croydon | Mathematics Extension 2 | 9 |
| 25 | Cabramatta High School | Cabramatta | Mathematics Extension 2 | 1 |
| 26 | Canberra Grammar School | Red Hill, ACT | Mathematics Extension 2 | 6 |
| 27 | Canley Vale High School | Canley Vale | Mathematics Extension 2 | 8 |
| 28 | Canterbury Boys High School | Ashbury | Mathematics Extension 2 | 1 |
| 29 | Canterbury Girls High School | Canterbury | Mathematics Extension 2 | 2 |
| 30 | Caringbah High School | Caringbah | Mathematics Extension 2 | 8 |
| 31 | Carlingford High School | Carlingford | Mathematics Extension 2 | 6 |
| 32 | Caroline Chisholm College | Glenmore Park | Mathematics Extension 2 | 1 |
| 33 | Casimir Catholic College | Marrickville | Mathematics Extension 2 | 2 |
| 34 | Castle Hill High School | Castle Hill | Mathematics Extension 2 | 2 |
| 35 | Cerdon College | Merrylands | Mathematics Extension 2 | 1 |
| 36 | Chatswood High School | Chatswood | Mathematics Extension 2 | 9 |
| 37 | Cheltenham Girls High School | Beecroft | Mathematics Extension 2 | 5 |
| 38 | Cherrybrook Technology High School | Cherrybrook | Mathematics Extension 2 | 13 |
| 39 | Chevalier College | Burradoo | Mathematics Extension 2 | 2 |
| 40 | Concord High School | Concord | Mathematics Extension 2 | 7 |
| 41 | Conservatorium High School | Sydney | Mathematics Extension 2 | 4 |
| 42 | Cranbrook School | Bellevue Hill | Mathematics Extension 2 | 8 |
| 43 | De La Salle Catholic College Cronulla | Cronulla | Mathematics Extension 2 | 1 |
| 44 | Denison College of Secondary Education Kelso | Kelso | Mathematics Extension 2 | 1 |
| 45 | Domremy College | Five Dock | Mathematics Extension 2 | 1 |
| 46 | East Hills Boys High School | Panania | Mathematics Extension 2 | 2 |
| 47 | East Hills Girls Technology High School | Panania | Mathematics Extension 2 | 1 |
| 48 | Edmund Rice College | West Wollongong | Mathematics Extension 2 | 1 |
| 49 | Emanuel School | Randwick | Mathematics Extension 2 | 8 |
| 50 | Engadine High School | Engadine | Mathematics Extension 2 | 1 |