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.
| 6844 | Cordina, Sofia | Loreto Normanhurst | Normanhurst | Studies of Religion I | DA | |
| 6845 | Cordina, Sofia | Loreto Normanhurst | Normanhurst | Studies of Religion I | Subject rank | 4 |
| 6846 | Corke, Bronte | Mount St Benedict College | Pennant Hills | Mathematics Standard 2 | DA | |
| 6847 | Cornelia, Michelle | All Saints College St Marys Campus | Maitland | Biology | DA | |
| 6848 | Cornelia, Michelle | All Saints College St Marys Campus | Maitland | Chemistry | DA | |
| 6849 | Cornelia, Michelle | All Saints College St Marys Campus | Maitland | Mathematics Extension 1 | DA | |
| 6850 | Cornelia, Michelle | All Saints College St Marys Campus | Maitland | Studies of Religion I | DA | |
| 6851 | Cornelia, Michelle | All Saints College St Marys Campus | Maitland | Visual Arts | DA | |
| 6852 | Cornelius, Joshua | Waverley College | Waverley | Engineering Studies | DA | |
| 6853 | Cornelius, Thomas Michael Patrick | The Kings School | North Parramatta | Mathematics Extension 1 | DA | |
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| 6854 | Corneliusen, Alex Thomas | Junee High School | Junee | Information and Digital Technology Examination | DA | |
| 6855 | Cornell, Archibald James King | St Ignatius College | Lane Cove | Business Studies | DA | |
| 6856 | Cornell, Archibald James King | St Ignatius College | Lane Cove | English Advanced | DA | |
| 6857 | Cornell, Archibald James King | St Ignatius College | Lane Cove | Legal Studies | DA | |
| 6858 | Cornell, Archibald James King | St Ignatius College | Lane Cove | Studies of Religion I | DA | |
| 6859 | Corney, Felicity | Dubbo College Senior Campus | Dubbo | Personal Development, Health and Physical Education | DA | |
| 6860 | Cornish, Oliver | Cranbrook School | Bellevue Hill | Drama | DA | |
| 6861 | Coronel, Nadine | St Marks Catholic College | Stanhope Gardens | Society and Culture | DA | |
| 6862 | Coroneos, Kalliope Anne | North Sydney Girls High School | Crows Nest | English Advanced | DA | |
| 6863 | Coroneos, Kalliope Anne | North Sydney Girls High School | Crows Nest | History Extension | DA | |
| 6864 | Coroneos, Kalliope Anne | North Sydney Girls High School | Crows Nest | Mathematics Advanced | DA | |
| 6865 | Coroneos, Kalliope Anne | North Sydney Girls High School | Crows Nest | Modern History | DA | |
| 6866 | Corpuz, Rachel | Catherine McAuley Westmead | Westmead | English Advanced | DA | |
| 6867 | Corpuz, Rachel | Catherine McAuley Westmead | Westmead | Studies of Religion I | DA | |
| 6868 | Corrigan, Jack | St Aloysius College | Milsons Point | All-rounder | ||
| 6869 | Corrigan, Jack | St Aloysius College | Milsons Point | Engineering Studies | DA | |
| 6870 | Corrigan, Jack | St Aloysius College | Milsons Point | English Advanced | DA | |
| 6871 | Corrigan, Jack | St Aloysius College | Milsons Point | English Extension 1 | DA | |
| 6872 | Corrigan, Jack | St Aloysius College | Milsons Point | Mathematics Advanced | DA | |
| 6873 | Corrigan, Jack | St Aloysius College | Milsons Point | Mathematics Extension 1 | DA | |
| 6874 | Corrigan, Jack | St Aloysius College | Milsons Point | Physics | DA | |
| 6875 | Corry, Elena | Ravenswood School for Girls | Gordon | Business Studies | DA | |
| 6876 | Corry, Elena | Ravenswood School for Girls | Gordon | Legal Studies | DA | |
| 6877 | Corry, Elena | Ravenswood School for Girls | Gordon | Mathematics Standard 2 | DA | |
| 6878 | Corscadden, Jonathan | John Therry Catholic College | Rosemeadow | Modern History | DA | |
| 6879 | Cortese, Angelique | Our Lady of Mercy College Parramatta | Parramatta | Business Studies | DA | |
| 6880 | Cortese, Angelique | Our Lady of Mercy College Parramatta | Parramatta | Legal Studies | DA | |
| 6881 | Cortese, Angelique | Our Lady of Mercy College Parramatta | Parramatta | Studies of Religion I | DA | |
| 6882 | Cosgrove, Chloe | Aquinas College | Menai | Personal Development, Health and Physical Education | DA | |
| 6883 | Cosgrove, Chloe | Aquinas College | Menai | Studies of Religion I | DA | |
| 6884 | Cosier, Grace | Roseville College | Roseville | English Advanced | DA | |
| 6885 | Cosier, Grace | Roseville College | Roseville | Visual Arts | DA | |
| 6886 | Cost-Chretien, Monique | Bethany College | Hurstville | Biology | DA | |
| 6887 | Cost-Chretien, Monique | Bethany College | Hurstville | Drama | DA | |
| 6888 | Cost-Chretien, Monique | Bethany College | Hurstville | English Advanced | DA | |
| 6889 | Cost-Chretien, Monique | Bethany College | Hurstville | Mathematics Advanced | DA | |
| 6890 | Cost-Chretien, Monique | Bethany College | Hurstville | Studies of Religion I | DA | |
| 6891 | Costa Straviote deFreitas, Isabella | Mosman High School | Mosman | Italian Beginners | DA | |
| 6892 | Costa, Maya | Springwood High School | Faulconbridge | English Extension 1 | DA | |
| 6893 | Costa, Maya | Springwood High School | Faulconbridge | English Extension 2 | DA | |