| 1 | Abbotsleigh | Wahroonga | Mathematics Extension 2 | 6 |
| 2 | Al-Faisal College | Auburn | Mathematics Extension 2 | 1 |
| 3 | All Saints College St Marys Campus | Maitland | Mathematics Extension 2 | 1 |
| 4 | Alpha Omega Senior College | Auburn | Mathematics Extension 2 | 7 |
| 5 | Arden Anglican School Epping Campus | Epping | Mathematics Extension 2 | 1 |
| 6 | Ascham School | Edgecliff | Mathematics Extension 2 | 4 |
| 7 | Ashfield Boys High School | Ashfield | Mathematics Extension 2 | 2 |
| 8 | Australian International School Singapore | Singapore | Mathematics Extension 2 | 1 |
| 9 | Bankstown Senior College | Bankstown | Mathematics Extension 2 | 1 |
| 10 | Barker College | Hornsby | Mathematics Extension 2 | 11 |
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| 11 | Baulkham Hills High School | Baulkham Hills | Mathematics Extension 2 | 75 |
| 12 | Bethlehem College | Ashfield | Mathematics Extension 2 | 1 |
| 13 | Beverly Hills Girls High School | Beverly Hills | Mathematics Extension 2 | 1 |
| 14 | Bishop Druitt College | Coffs Harbour | Mathematics Extension 2 | 1 |
| 15 | Blakehurst High School | Blakehurst | Mathematics Extension 2 | 1 |
| 16 | Blaxland High School | Blaxland | Mathematics Extension 2 | 1 |
| 17 | Blue Mountains Grammar School | Wentworth Falls | Mathematics Extension 2 | 1 |
| 18 | Bonnyrigg High School | Bonnyrigg | Mathematics Extension 2 | 3 |
| 19 | Burwood Girls High School | Croydon | Mathematics Extension 2 | 4 |
| 20 | Cabramatta High School | Cabramatta | Mathematics Extension 2 | 2 |
| 21 | Canberra Grammar School | Red Hill, ACT | Mathematics Extension 2 | 3 |
| 22 | Canley Vale High School | Canley Vale | Mathematics Extension 2 | 10 |
| 23 | Canterbury Girls High School | Canterbury | Mathematics Extension 2 | 2 |
| 24 | Caringbah High School | Caringbah | Mathematics Extension 2 | 10 |
| 25 | Carlingford High School | Carlingford | Mathematics Extension 2 | 11 |
| 26 | Castle Hill High School | Castle Hill | Mathematics Extension 2 | 4 |
| 27 | Catherine McAuley Westmead | Westmead | Mathematics Extension 2 | 1 |
| 28 | Cerdon College | Merrylands | Mathematics Extension 2 | 1 |
| 29 | Chatswood High School | Chatswood | Mathematics Extension 2 | 7 |
| 30 | Cheltenham Girls High School | Beecroft | Mathematics Extension 2 | 3 |
| 31 | Cherrybrook Technology High School | Cherrybrook | Mathematics Extension 2 | 8 |
| 32 | Chevalier College | Burradoo | Mathematics Extension 2 | 2 |
| 33 | Clement College | Cabramatta | Mathematics Extension 2 | 1 |
| 34 | Coffs Harbour Senior College | Coffs Harbour | Mathematics Extension 2 | 1 |
| 35 | Colo High School | North Richmond | Mathematics Extension 2 | 2 |
| 36 | Concord High School | Concord | Mathematics Extension 2 | 1 |
| 37 | Conservatorium High School | Sydney | Mathematics Extension 2 | 5 |
| 38 | Cranbrook School | Bellevue Hill | Mathematics Extension 2 | 8 |
| 39 | Crestwood High School | Baulkham Hills | Mathematics Extension 2 | 1 |
| 40 | Cumberland High School | Carlingford | Mathematics Extension 2 | 2 |
| 41 | Danebank An Anglican School for Girls | Hurstville | Mathematics Extension 2 | 3 |
| 42 | De La Salle Catholic College Cronulla | Cronulla | Mathematics Extension 2 | 1 |
| 43 | De La Salle College Revesby Heights | Revesby Heights | Mathematics Extension 2 | 1 |
| 44 | Duval High School | Armidale | Mathematics Extension 2 | 1 |
| 45 | East Hills Boys High School | Panania | Mathematics Extension 2 | 1 |
| 46 | East Hills Girls Technology High School | Panania | Mathematics Extension 2 | 1 |
| 47 | Edmund Rice College | West Wollongong | Mathematics Extension 2 | 1 |
| 48 | Emanuel School | Randwick | Mathematics Extension 2 | 2 |
| 49 | Engadine High School | Engadine | Mathematics Extension 2 | 1 |
| 50 | Epping Boys High School | Eastwood | Mathematics Extension 2 | 6 |