| 2006 | Byron Bay High School | Byron Bay | English (Advanced) | 4 |
| 2007 | Cabramatta High School | Cabramatta | Mathematics Extension 1 | 4 |
| 2008 | Calrossy Anglican School | Tamworth | Ancient History | 4 |
| 2009 | Camden Haven High School | Laurieton | Music 1 | 4 |
| 2010 | Campbelltown Performing Arts High School | Campbelltown | Music 1 | 4 |
| 2011 | Canberra Grammar School | Red Hill, ACT | English (Advanced) | 4 |
| 2012 | Canberra Grammar School | Red Hill, ACT | Latin Continuers | 4 |
| 2013 | Canberra Grammar School | Red Hill, ACT | Latin Extension | 4 |
| 2014 | Canberra Grammar School | Red Hill, ACT | Software Design and Development | 4 |
| 2015 | Canley Vale High School | Canley Vale | Chemistry | 4 |
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| 2016 | Caringbah High School | Caringbah | Drama | 4 |
| 2017 | Caringbah High School | Caringbah | Software Design and Development | 4 |
| 2018 | Caringbah High School | Caringbah | Studies of Religion I | 4 |
| 2019 | Carlingford High School | Carlingford | General Mathematics | 4 |
| 2020 | Caroline Chisholm College | Glenmore Park | Biology | 4 |
| 2021 | Casimir Catholic College | Marrickville | Personal Development, Health and Physical Education | 4 |
| 2022 | Casimir Catholic College | Marrickville | Studies of Religion I | 4 |
| 2023 | Catherine McAuley Westmead | Westmead | Mathematics Extension 1 | 4 |
| 2024 | Cecil Hills High School | Cecil Hills | Legal Studies | 4 |
| 2025 | Cecil Hills High School | Cecil Hills | Senior Science | 4 |
| 2026 | Central Coast Adventist School | Erina | Studies of Religion I | 4 |
| 2027 | Central Coast Grammar School | Erina Heights | English Extension 2 | 4 |
| 2028 | Cerdon College | Merrylands | Biology | 4 |
| 2029 | Cerdon College | Merrylands | History Extension | 4 |
| 2030 | Cerdon College | Merrylands | Personal Development, Health and Physical Education | 4 |
| 2031 | Chatham High School | Taree | General Mathematics | 4 |
| 2032 | Cheltenham Girls High School | Beecroft | Design and Technology | 4 |
| 2033 | Cheltenham Girls High School | Beecroft | Personal Development, Health and Physical Education | 4 |
| 2034 | Cheltenham Girls High School | Beecroft | Society and Culture | 4 |
| 2035 | Cherrybrook Technology High School | Cherrybrook | Accounting | 4 |
| 2036 | Cherrybrook Technology High School | Cherrybrook | English as a Second Language | 4 |
| 2037 | Cherrybrook Technology High School | Cherrybrook | Japanese Extension | 4 |
| 2038 | Cherrybrook Technology High School | Cherrybrook | Personal Development, Health and Physical Education | 4 |
| 2039 | Chester Hill High School | Chester Hill | Mathematics Extension 1 | 4 |
| 2040 | Chevalier College | Burradoo | History Extension | 4 |
| 2041 | Chevalier College | Burradoo | Modern History | 4 |
| 2042 | Chevalier College | Burradoo | Visual Arts | 4 |
| 2043 | Christian Brothers High School Lewisham | Lewisham | Italian Continuers | 4 |
| 2044 | Christian Community High School | Regents Park | Ancient History | 4 |
| 2045 | Coffs Harbour High School | Coffs Harbour | General Mathematics | 4 |
| 2046 | Coffs Harbour Senior College | Coffs Harbour | English Extension 1 | 4 |
| 2047 | Coffs Harbour Senior College | Coffs Harbour | Society and Culture | 4 |
| 2048 | Coffs Harbour Senior College | Coffs Harbour | Studies of Religion I | 4 |
| 2049 | Colo High School | North Richmond | History Extension | 4 |
| 2050 | Cranbrook School | Bellevue Hill | Biology | 4 |
| 2051 | Cranbrook School | Bellevue Hill | French Extension | 4 |
| 2052 | Cranbrook School | Bellevue Hill | General Mathematics | 4 |
| 2053 | Cranbrook School | Bellevue Hill | Geography | 4 |
| 2054 | Cranbrook School | Bellevue Hill | Music 1 | 4 |
| 2055 | Cumberland High School | Carlingford | Mathematics Extension 2 | 4 |
Source: NSW Education Standards Authority (NESA).
Supplementary data from school publications.
Supplementary data from school publications.
Last Updated: 27 Jan 2021