| 51 | Burwood Girls High School | Croydon | Mathematics Extension 1 | 20 |
| 52 | Byron Bay High School | Byron Bay | Mathematics Extension 1 | 3 |
| 53 | Cabramatta High School | Cabramatta | Mathematics Extension 1 | 5 |
| 54 | Calrossy Anglican School | Tamworth | Mathematics Extension 1 | 1 |
| 55 | Camden Haven High School | Laurieton | Mathematics Extension 1 | 2 |
| 56 | Cammeraygal High School | Crows Nest | Mathematics Extension 1 | 4 |
| 57 | Canberra Grammar School | Red Hill, ACT | Mathematics Extension 1 | 5 |
| 58 | Canley Vale High School | Canley Vale | Mathematics Extension 1 | 7 |
| 59 | Canterbury Girls High School | Canterbury | Mathematics Extension 1 | 1 |
| 60 | Caringbah High School | Caringbah | Mathematics Extension 1 | 39 |
| |
||||
| 61 | Carlingford High School | Carlingford | Mathematics Extension 1 | 24 |
| 62 | Caroline Chisholm College | Glenmore Park | Mathematics Extension 1 | 1 |
| 63 | Carroll College | Broulee | Mathematics Extension 1 | 1 |
| 64 | Casimir Catholic College | Marrickville | Mathematics Extension 1 | 1 |
| 65 | Casino Christian School | North Casino | Mathematics Extension 1 | 1 |
| 66 | Casino High School | Casino | Mathematics Extension 1 | 1 |
| 67 | Castle Hill High School | Castle Hill | Mathematics Extension 1 | 10 |
| 68 | Catherine McAuley Westmead | Westmead | Mathematics Extension 1 | 2 |
| 69 | Cecil Hills High School | Cecil Hills | Mathematics Extension 1 | 2 |
| 70 | Central Coast Adventist School | Erina | Mathematics Extension 1 | 1 |
| 71 | Central Coast Grammar School | Erina Heights | Mathematics Extension 1 | 8 |
| 72 | Cerdon College | Merrylands | Mathematics Extension 1 | 3 |
| 73 | Champagnat Catholic College | Maroubra | Mathematics Extension 1 | 4 |
| 74 | Chatham High School | Taree | Mathematics Extension 1 | 1 |
| 75 | Chatswood High School | Chatswood | Mathematics Extension 1 | 19 |
| 76 | Cheltenham Girls High School | Beecroft | Mathematics Extension 1 | 21 |
| 77 | Cherrybrook Technology High School | Cherrybrook | Mathematics Extension 1 | 27 |
| 78 | Chester Hill High School | Chester Hill | Mathematics Extension 1 | 5 |
| 79 | Chevalier College | Burradoo | Mathematics Extension 1 | 3 |
| 80 | Christian Brothers High School Lewisham | Lewisham | Mathematics Extension 1 | 9 |
| 81 | Clancy Catholic College | West Hoxton | Mathematics Extension 1 | 2 |
| 82 | Coffs Harbour Christian Community School | Bonville | Mathematics Extension 1 | 1 |
| 83 | Coffs Harbour High School | Coffs Harbour | Mathematics Extension 1 | 1 |
| 84 | Coffs Harbour Senior College | Coffs Harbour | Mathematics Extension 1 | 2 |
| 85 | Colo High School | North Richmond | Mathematics Extension 1 | 2 |
| 86 | Concord High School | Concord | Mathematics Extension 1 | 11 |
| 87 | Condell Park High School | Condell Park | Mathematics Extension 1 | 2 |
| 88 | Conservatorium High School | Sydney | Mathematics Extension 1 | 5 |
| 89 | Corpus Christi Catholic High School | Oak Flats | Mathematics Extension 1 | 1 |
| 90 | Covenant Christian School | Belrose | Mathematics Extension 1 | 5 |
| 91 | Cranbrook School | Bellevue Hill | Mathematics Extension 1 | 23 |
| 92 | Crestwood High School | Baulkham Hills | Mathematics Extension 1 | 2 |
| 93 | Cronulla High School | Cronulla | Mathematics Extension 1 | 3 |
| 94 | Cumberland High School | Carlingford | Mathematics Extension 1 | 3 |
| 95 | Danebank An Anglican School for Girls | Hurstville | Mathematics Extension 1 | 7 |
| 96 | Dapto High School | Dapto | Mathematics Extension 1 | 2 |
| 97 | Davidson High School | Frenchs Forest | Mathematics Extension 1 | 4 |
| 98 | De La Salle Catholic College Cronulla | Cronulla | Mathematics Extension 1 | 2 |
| 99 | De La Salle College Ashfield | Ashfield | Mathematics Extension 1 | 1 |
| 100 | De La Salle College Revesby Heights | Revesby Heights | Mathematics Extension 1 | 4 |
Source: NSW Education Standards Authority (NESA).
Supplementary data from school publications.
Supplementary data from school publications.
Last Updated: 7 Sep 2023