| 1846 | Cherrybrook Technology High School | Cherrybrook | Music 1 | 5 |
| 1847 | Chester Hill High School | Chester Hill | Mathematics | 5 |
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| 1848 | Christian Brothers High School Lewisham | Lewisham | Mathematics Extension 1 | 5 |
| 1849 | Clancy Catholic College | West Hoxton | Society and Culture | 5 |
| 1850 | Coffs Harbour High School | Coffs Harbour | Mathematics General 2 | 5 |
| 1851 | Coffs Harbour Senior College | Coffs Harbour | Ancient History | 5 |
| 1852 | Coffs Harbour Senior College | Coffs Harbour | History Extension | 5 |
| 1853 | Coffs Harbour Senior College | Coffs Harbour | Mathematics | 5 |
| 1854 | Concord High School | Concord | Mathematics Extension 2 | 5 |
| 1855 | Conservatorium High School | Sydney | German Beginners | 5 |
Source: NSW Education Standards Authority (NESA).
Supplementary data from school publications.
Supplementary data from school publications.
Last Updated: 14 Feb 2023