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.
| 26482 | Ogden, Benjamin | Westfields Sports High School | Fairfield West | Modern History | DA | |
| 26483 | Ogilvie, Briar | Oakhill College | Castle Hill | English Advanced | DA | |
| 26484 | Ogilvie, Briar | Oakhill College | Castle Hill | Music 1 | DA | |
| 26485 | Ogilvie, Briar | Oakhill College | Castle Hill | Personal Development, Health and Physical Education | DA | |
| 26486 | Ogilvie, Tasmyn | Oakhill College | Castle Hill | Society and Culture | DA | |
| 26487 | Oh, David | Sydney Boys High School | Moore Park | All-rounder | ||
| 26488 | Oh, David | Sydney Boys High School | Moore Park | Ancient History | DA | |
| 26489 | Oh, David | Sydney Boys High School | Moore Park | English Advanced | DA | |
| 26490 | Oh, David | Sydney Boys High School | Moore Park | English Extension 1 | DA | |
| 26491 | Oh, David | Sydney Boys High School | Moore Park | Legal Studies | DA | |
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| 26492 | Oh, David | Sydney Boys High School | Moore Park | Mathematics Advanced | DA | |
| 26493 | Oh, David | Sydney Boys High School | Moore Park | Mathematics Extension 1 | DA | |
| 26494 | Oh, David Seungjae | The Kings School | North Parramatta | English Advanced | DA | |
| 26495 | Oh, David Seungjae | The Kings School | North Parramatta | Mathematics Extension 1 | DA | |
| 26496 | Oh, Esther | Baulkham Hills High School | Baulkham Hills | All-rounder | ||
| 26497 | Oh, Esther | Baulkham Hills High School | Baulkham Hills | Biology | DA | |
| 26498 | Oh, Esther | Baulkham Hills High School | Baulkham Hills | English Advanced | DA | |
| 26499 | Oh, Esther | Baulkham Hills High School | Baulkham Hills | Korean in Context | DA | |
| 26500 | Oh, Esther | Baulkham Hills High School | Baulkham Hills | Legal Studies | DA | |
| 26501 | Oh, Esther | Baulkham Hills High School | Baulkham Hills | Mathematics Advanced | DA | |
| 26502 | Oh, Eun Kyeol | James Ruse Agricultural High School | Carlingford | Personal Development, Health and Physical Education | DA | |
| 26503 | Oh, James | Homebush Boys High School | Homebush | Visual Arts | DA | |
| 26504 | Oh, Kate Juyeon | Hornsby Girls High School | Hornsby | English Advanced | DA | |
| 26505 | Oh, Kate Juyeon | Hornsby Girls High School | Hornsby | English Extension 1 | DA | |
| 26506 | Oh, Kate Juyeon | Hornsby Girls High School | Hornsby | English Extension 2 | DA | |
| 26507 | Oh, Shari | Willoughby Girls High School | Willoughby | Society and Culture | DA | |
| 26508 | Ohis, Christina | Caringbah High School | Caringbah | All-rounder | ||
| 26509 | Ohis, Christina | Caringbah High School | Caringbah | Chemistry | DA | |
| 26510 | Ohis, Christina | Caringbah High School | Caringbah | English Advanced | DA | |
| 26511 | Ohis, Christina | Caringbah High School | Caringbah | Mathematics Extension 1 | DA | |
| 26512 | Ohis, Christina | Caringbah High School | Caringbah | Mathematics Extension 2 | DA | |
| 26513 | Ohis, Christina | Caringbah High School | Caringbah | Physics | DA | |
| 26514 | Ohlrich, Thomas | Northholm Grammar School | Arcadia | Engineering Studies | DA | |
| 26515 | Ohlrich, Thomas | Northholm Grammar School | Arcadia | Modern History | DA | |
| 26516 | Ohman, Jessika | Barker College | Hornsby | Drama | DA | |
| 26517 | Ohman, Jessika | Barker College | Hornsby | Music 1 | DA | |
| 26518 | Ohmenzetter, Dana Rose | Bishop Tyrrell Anglican College | Fletcher | Mathematics Standard 2 | DA | |
| 26519 | Ohtaras, Connor | St Pius X College | Chatswood | Biology | DA | |
| 26520 | Ohtaras, Connor | St Pius X College | Chatswood | Business Studies | DA | |
| 26521 | Ohtaras, Connor | St Pius X College | Chatswood | Legal Studies | DA | |
| 26522 | Ohtaras, Connor | St Pius X College | Chatswood | Studies of Religion I | DA | |
| 26523 | Ohuchi, Mia | Sydney Secondary College Blackwattle Bay Campus | Glebe | Design and Technology | DA | |
| 26524 | Ojeda, Kristian | Good Samaritan Catholic College | Hinchinbrook | Mathematics Advanced | DA | |
| 26525 | Okladnikov, Mikayla | Mount St Benedict College | Pennant Hills | Business Studies | DA | |
| 26526 | Okladnikov, Mikayla | Mount St Benedict College | Pennant Hills | Design and Technology | DA | |
| 26527 | Okladnikov, Mikayla | Mount St Benedict College | Pennant Hills | Food Technology | DA | |
| 26528 | Okladnikov, Mikayla | Mount St Benedict College | Pennant Hills | Mathematics Standard 2 | DA | |
| 26529 | Okladnikov, Mikayla | Mount St Benedict College | Pennant Hills | Food Technology | Subject rank | 6 |
| 26530 | Okuda, Rina | Killarney Heights High School | Killarney Heights | Ancient History | DA | |
| 26531 | Okuda, Rina | Killarney Heights High School | Killarney Heights | English Advanced | DA | |