This is the NSW HSC Honour Roll, listing every award or prize won by New South Wales HSC students in 2020, along with their school and subject details.
The report includes all Distinguished Achiever awards, All Rounder awards, and Subject Top Achiever awards (with rankings). First in Course awards are shown as Subject Top Achiever awards with a ranking of '1' i.e. first place.
The report also includes significant Australian national awards and prizes such as the Australian Student Prize.
| 4867 | Castle, Imogen | St Lukes Grammar School | Dee Why | Biology | DA | |
| 4868 | Castle, Imogen | St Lukes Grammar School | Dee Why | Business Studies | DA | |
| 4869 | Castle, Imogen | St Lukes Grammar School | Dee Why | Personal Development, Health and Physical Education | DA | |
| 4870 | Castle, Zac | St Columba Anglican School | Port Macquarie | Chemistry | DA | |
| 4871 | Caswell, Oscar Henry | Knox Grammar School | Wahroonga | Business Studies | DA | |
| 4872 | Caswell, Oscar Henry | Knox Grammar School | Wahroonga | Mathematics Standard 2 | DA | |
| 4873 | Catania, Emma | De La Salle Catholic College Cronulla | Cronulla | Ancient History | DA | |
| 4874 | Catania, Emma | De La Salle Catholic College Cronulla | Cronulla | English Advanced | DA | |
| 4875 | Catania, Emma | De La Salle Catholic College Cronulla | Cronulla | Mathematics Advanced | DA | |
| 4876 | Catania, Emma | De La Salle Catholic College Cronulla | Cronulla | Studies of Religion II | DA | |
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| 4877 | Catanzariti, Laurence | Marian Catholic College Griffith | Griffith | Mathematics Advanced | DA | |
| 4878 | Catanzariti, Laurence | Marian Catholic College Griffith | Griffith | Mathematics Extension 1 | DA | |
| 4879 | Catbagan, Norreigne | St Patricks College Sutherland | Sutherland | Studies of Religion II | DA | |
| 4880 | Catbagan, Norreigne | St Patricks College Sutherland | Sutherland | Visual Arts | DA | |
| 4881 | Catford, Jenna | Cranebrook High School | Cranebrook | Agriculture | DA | |
| 4882 | Catford, Jenna | Cranebrook High School | Cranebrook | Community and Family Studies | DA | |
| 4883 | Cato, Melissa | Xavier College | Llandilo | Community and Family Studies | DA | |
| 4884 | Cato, Melissa | Xavier College | Llandilo | Visual Arts | DA | |
| 4885 | Catto, Lachlan | Oxford Falls Grammar School | Oxford Falls | Chemistry | DA | |
| 4886 | Catto, Lachlan | Oxford Falls Grammar School | Oxford Falls | Mathematics Extension 1 | DA | |
| 4887 | Catto, Lachlan | Oxford Falls Grammar School | Oxford Falls | Mathematics Extension 2 | DA | |
| 4888 | Catto, Lachlan | Oxford Falls Grammar School | Oxford Falls | Physics | DA | |
| 4889 | Catubig, Natasha | St George Girls High School | Kogarah | Mathematics Advanced | DA | |
| 4890 | Causer, Olivia | Ascham School | Edgecliff | Drama | DA | |
| 4891 | Causer, Olivia | Ascham School | Edgecliff | English Advanced | DA | |
| 4892 | Cavaleri, Kirsten Nancy | Marist Sisters College Woolwich | Woolwich | All-rounder | ||
| 4893 | Cavaleri, Kirsten Nancy | Marist Sisters College Woolwich | Woolwich | Business Studies | DA | |
| 4894 | Cavaleri, Kirsten Nancy | Marist Sisters College Woolwich | Woolwich | English Advanced | DA | |
| 4895 | Cavaleri, Kirsten Nancy | Marist Sisters College Woolwich | Woolwich | Mathematics Advanced | DA | |
| 4896 | Cavaleri, Kirsten Nancy | Marist Sisters College Woolwich | Woolwich | Modern History | DA | |
| 4897 | Cavaleri, Kirsten Nancy | Marist Sisters College Woolwich | Woolwich | Studies of Religion II | DA | |
| 4898 | Cavaliere, Nerissa | Engadine High School | Engadine | Entertainment Industry Examination | DA | |
| 4899 | Cavaliere, Nerissa | Engadine High School | Engadine | History Extension | DA | |
| 4900 | Cavaliere, Nerissa | Engadine High School | Engadine | Modern History | DA | |
| 4901 | Cavaliere, Nerissa | Engadine High School | Engadine | Music 1 | DA | |
| 4902 | Cavaliere, Nerissa | Engadine High School | Engadine | Society and Culture | DA | |
| 4903 | Cavallaro, Marcella | Domremy College | Five Dock | Community and Family Studies | DA | |
| 4904 | Cavallaro, Marcella | Domremy College | Five Dock | Legal Studies | DA | |
| 4905 | Cavanough Quince, Lucy | Oxley College | Burradoo | Biology | DA | |
| 4906 | Cavasinni, Bianca | Our Lady of Mercy College Parramatta | Parramatta | Society and Culture | DA | |
| 4907 | Cavendish, Isabella | Rosebank College | Five Dock | Mathematics Advanced | DA | |
| 4908 | Cawthorn, Owen | Caringbah High School | Caringbah | Business Studies | DA | |
| 4909 | Cawthorn, Owen | Caringbah High School | Caringbah | Mathematics Advanced | DA | |
| 4910 | Cayabyab, Eddi-elle | Carlingford High School | Carlingford | Music 1 | DA | |
| 4911 | Cazalet, Thomas | St Augustines College | Brookvale | Design and Technology | DA | |
| 4912 | Cazouris, Helena | Mount St Joseph Milperra | Milperra | Entertainment Industry Examination | DA | |
| 4913 | Cazouris, Helena | Mount St Joseph Milperra | Milperra | Mathematics Standard 2 | DA | |
| 4914 | Cejnar, Olivia Christine | Abbotsleigh | Wahroonga | Mathematics Advanced | DA | |
| 4915 | Celik, Simay Isabel | Northern Beaches Secondary College Mackellar Girls Campus | Manly Vale | Biology | DA | |
| 4916 | Celik, Simay Isabel | Northern Beaches Secondary College Mackellar Girls Campus | Manly Vale | Business Studies | DA | |