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 (including rankings). First in Course awards are shown as Subject Top Achiever awards with a ranking of '1' i.e. first place.
| 1 | Aadarsh, Ajey | Sydney Technical High School | Bexley | Ancient History | DA | |
| 2 | Aadarsh, Ajey | Sydney Technical High School | Bexley | Legal Studies | DA | |
| 3 | Aadarsh, Ajey | Sydney Technical High School | Bexley | Visual Arts | DA | |
| 4 | Aalders, Thomas Michael | St Ignatius College | Lane Cove | Business Studies | DA | |
| 5 | Aalders, Thomas Michael | St Ignatius College | Lane Cove | Geography | DA | |
| 6 | Aalders, Thomas Michael | St Ignatius College | Lane Cove | Personal Development, Health and Physical Education | DA | |
| 7 | Aalders, Thomas Michael | St Ignatius College | Lane Cove | Geography | Subject rank | 4 |
| 8 | Aaraj, Angela | St Charbels College | Punchbowl | Business Studies | DA | |
| 9 | Aaraj, Angela | St Charbels College | Punchbowl | English Advanced | DA | |
| 10 | Aaraj, Angela | St Charbels College | Punchbowl | Personal Development, Health and Physical Education | DA | |
| 11 | Aaraj, Angela | St Charbels College | Punchbowl | Studies of Religion I | DA | |
| 12 | Abadilla, Alyanna Kayla | Mount Carmel Catholic College | Varroville | Spanish Beginners | DA | |
| 13 | Abadilla, Alyanna Kayla | Mount Carmel Catholic College | Varroville | Studies of Religion II | DA | |
| 14 | Abal, Kevin | Parramatta Marist High School | Westmead | Mathematics Advanced | DA | |
| 15 | Abal, Veronica Madisson | MLC School | Burwood | Biology | DA | |
| 16 | Abal, Veronica Madisson | MLC School | Burwood | English Advanced | DA | |
| 17 | Abal, Veronica Madisson | MLC School | Burwood | Mathematics Extension 1 | DA | |
| 18 | Abal, Veronica Madisson | MLC School | Burwood | Science Extension | DA | |
| 19 | Abal, Veronica Madisson | MLC School | Burwood | Science Extension | Subject rank | 5 |
| 20 | Abarajithan, Harrini | Baulkham Hills High School | Baulkham Hills | Economics | DA | |
| 21 | Abarajithan, Harrini | Baulkham Hills High School | Baulkham Hills | English Advanced | DA | |
| 22 | Abarajithan, Harrini | Baulkham Hills High School | Baulkham Hills | Legal Studies | DA | |
| 23 | Abazzed, Rahaf | Bankstown Senior College | Bankstown | Arabic Extension | DA | |
| 24 | Abbas, Aisha | Barrenjoey High School | Avalon | Society and Culture | DA | |
| 25 | Abbas, Aisha | Barrenjoey High School | Avalon | Visual Arts | DA | |