| 1 | Abbotsleigh | Wahroonga | Mathematics Extension 2 | 6 |
| 2 | All Saints Catholic Senior College | Casula | Mathematics Extension 2 | 2 |
| 3 | All Saints College St Marys Campus | Maitland | Mathematics Extension 2 | 2 |
| 4 | Alstonville High School | Alstonville | Mathematics Extension 2 | 1 |
| 5 | Aquinas College | Menai | Mathematics Extension 2 | 2 |
| 6 | Arndell Anglican College | Oakville | Mathematics Extension 2 | 1 |
| 7 | Arthur Phillip High School | Parramatta | Mathematics Extension 2 | 3 |
| 8 | Ascham School | Edgecliff | Mathematics Extension 2 | 2 |
| 9 | Australian International School Hong Kong | Kowloon Tong, Hong Kong | Mathematics Extension 2 | 1 |
| 10 | Bankstown Senior College | Bankstown | Mathematics Extension 2 | 1 |
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| 11 | Barker College | Hornsby | Mathematics Extension 2 | 3 |
| 12 | Baulkham Hills High School | Baulkham Hills | Mathematics Extension 2 | 33 |
| 13 | Belmont Christian College | Belmont North | Mathematics Extension 2 | 1 |
| 14 | Bethlehem College | Ashfield | Mathematics Extension 2 | 2 |
| 15 | Beverly Hills Girls High School | Beverly Hills | Mathematics Extension 2 | 3 |
| 16 | Blakehurst High School | Blakehurst | Mathematics Extension 2 | 6 |
| 17 | Bonnyrigg High School | Bonnyrigg | Mathematics Extension 2 | 2 |
| 18 | Brigidine College Randwick | Randwick | Mathematics Extension 2 | 2 |
| 19 | Brigidine College St Ives | St Ives | Mathematics Extension 2 | 2 |
| 20 | Burwood Girls High School | Croydon | Mathematics Extension 2 | 9 |
| 21 | Cabramatta High School | Cabramatta | Mathematics Extension 2 | 1 |
| 22 | Canberra Grammar School | Red Hill, ACT | Mathematics Extension 2 | 7 |
| 23 | Canley Vale High School | Canley Vale | Mathematics Extension 2 | 1 |
| 24 | Canterbury Boys High School | Ashbury | Mathematics Extension 2 | 1 |
| 25 | Caringbah High School | Caringbah | Mathematics Extension 2 | 7 |
| 26 | Carlingford High School | Carlingford | Mathematics Extension 2 | 4 |
| 27 | Catherine McAuley Westmead | Westmead | Mathematics Extension 2 | 1 |
| 28 | Cecil Hills High School | Cecil Hills | Mathematics Extension 2 | 1 |
| 29 | Cerdon College | Merrylands | Mathematics Extension 2 | 2 |
| 30 | Chatswood High School | Chatswood | Mathematics Extension 2 | 5 |
| 31 | Cheltenham Girls High School | Beecroft | Mathematics Extension 2 | 5 |
| 32 | Cherrybrook Technology High School | Cherrybrook | Mathematics Extension 2 | 8 |
| 33 | Chester Hill High School | Chester Hill | Mathematics Extension 2 | 3 |
| 34 | Christian Brothers High School Lewisham | Lewisham | Mathematics Extension 2 | 1 |
| 35 | Concord High School | Concord | Mathematics Extension 2 | 2 |
| 36 | Conservatorium High School | Sydney | Mathematics Extension 2 | 1 |
| 37 | Coolamon Central School | Coolamon | Mathematics Extension 2 | 1 |
| 38 | Cranbrook School | Bellevue Hill | Mathematics Extension 2 | 10 |
| 39 | Cumberland High School | Carlingford | Mathematics Extension 2 | 3 |
| 40 | Danebank An Anglican School for Girls | Hurstville | Mathematics Extension 2 | 1 |
| 41 | Dapto High School | Dapto | Mathematics Extension 2 | 1 |
| 42 | De La Salle College Ashfield | Ashfield | Mathematics Extension 2 | 2 |
| 43 | East Hills Boys High School | Panania | Mathematics Extension 2 | 1 |
| 44 | Epping Boys High School | Eastwood | Mathematics Extension 2 | 10 |
| 45 | Fairvale High School | Fairfield West | Mathematics Extension 2 | 2 |
| 46 | Fort Street High School | Petersham | Mathematics Extension 2 | 30 |
| 47 | Freeman Catholic College | Bonnyrigg Heights | Mathematics Extension 2 | 2 |
| 48 | Georges River College Oatley Senior Campus | Oatley | Mathematics Extension 2 | 8 |
| 49 | Georges River Grammar | Georges Hall | Mathematics Extension 2 | 1 |
| 50 | Gilroy Catholic College | Castle Hill | Mathematics Extension 2 | 1 |