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.
| 26232 | O'Dea, Livia | Pymble Ladies College | Pymble | Business Studies | DA | |
| 26233 | O'Dea, Matthew Barry | St Ignatius College | Lane Cove | All-rounder | ||
| 26234 | O'Dea, Matthew Barry | St Ignatius College | Lane Cove | Chinese Continuers | DA | |
| 26235 | O'Dea, Matthew Barry | St Ignatius College | Lane Cove | Chinese Extension | DA | |
| 26236 | O'Dea, Matthew Barry | St Ignatius College | Lane Cove | Economics | DA | |
| 26237 | O'Dea, Matthew Barry | St Ignatius College | Lane Cove | English Advanced | DA | |
| 26238 | O'Dea, Matthew Barry | St Ignatius College | Lane Cove | Mathematics Advanced | DA | |
| 26239 | O'Dea, Matthew Barry | St Ignatius College | Lane Cove | Mathematics Extension 1 | DA | |
| 26240 | O'Dea, Matthew Barry | St Ignatius College | Lane Cove | Chinese Continuers | Subject rank | 1 |
| 26241 | O'Dea, Matthew Barry | St Ignatius College | Lane Cove | Chinese Extension | Subject rank | 5 |
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| 26242 | O'Dell, Tom | Bishop Druitt College | Coffs Harbour | Mathematics Advanced | DA | |
| 26243 | O'Dell, Tom | Bishop Druitt College | Coffs Harbour | Software Design and Development | DA | |
| 26244 | O'Donnell, Abbey Rose | Loreto Kirribilli | Kirribilli | Business Studies | DA | |
| 26245 | O'Donnell, Abbey Rose | Loreto Kirribilli | Kirribilli | Food Technology | DA | |
| 26246 | O'Donnell, Abbey Rose | Loreto Kirribilli | Kirribilli | Visual Arts | DA | |
| 26247 | O'Donnell, Alexia | Rosebank College | Five Dock | Mathematics Standard 2 | DA | |
| 26248 | O'Donnell, Alexia | Rosebank College | Five Dock | Studies of Religion II | DA | |
| 26249 | O'Donnell, Henry Miller | St Ignatius College | Lane Cove | Studies of Religion I | DA | |
| 26250 | O'Donnell, Jessica | Nowra High School | Nowra | Ancient History | DA | |
| 26251 | O'Donnell, Jessica | Nowra High School | Nowra | English Advanced | DA | |
| 26252 | O'Donnell, Jessica | Nowra High School | Nowra | Legal Studies | DA | |
| 26253 | O'Donohoe Deering, Caoimhe | St George Girls High School | Kogarah | Drama | DA | |
| 26254 | O'Donohoe Deering, Caoimhe | St George Girls High School | Kogarah | English Advanced | DA | |
| 26255 | O'Donohoe Deering, Caoimhe | St George Girls High School | Kogarah | History Extension | DA | |
| 26256 | O'Donohoe Deering, Caoimhe | St George Girls High School | Kogarah | Modern History | DA | |
| 26257 | O'Driscoll, Jessica | St Scholasticas College Glebe Point | Glebe Point | Mathematics Advanced | DA | |
| 26258 | O'Dwyer, Emily | Xavier Catholic College Ballina | Skennars Head | Drama | DA | |
| 26259 | O'Dwyer, Hannah | St Francis De Sales Regional College | Leeton | Visual Arts | DA | |
| 26260 | O'Farrell, Caitlin Isobel | Loreto Kirribilli | Kirribilli | All-rounder | ||
| 26261 | O'Farrell, Caitlin Isobel | Loreto Kirribilli | Kirribilli | Biology | DA | |
| 26262 | O'Farrell, Caitlin Isobel | Loreto Kirribilli | Kirribilli | Business Studies | DA | |
| 26263 | O'Farrell, Caitlin Isobel | Loreto Kirribilli | Kirribilli | English Advanced | DA | |
| 26264 | O'Farrell, Caitlin Isobel | Loreto Kirribilli | Kirribilli | Mathematics Standard 2 | DA | |
| 26265 | O'Farrell, Caitlin Isobel | Loreto Kirribilli | Kirribilli | Personal Development, Health and Physical Education | DA | |
| 26266 | O'Farrell, Caitlin Isobel | Loreto Kirribilli | Kirribilli | Studies of Religion II | DA | |
| 26267 | O'Gorman, Isabella Catherine | Kincoppal Rose Bay School of the Sacred Heart | Vaucluse | Ancient History | DA | |
| 26268 | O'Gorman, Isabella Catherine | Kincoppal Rose Bay School of the Sacred Heart | Vaucluse | English Advanced | DA | |
| 26269 | O'Gorman, Isabella Catherine | Kincoppal Rose Bay School of the Sacred Heart | Vaucluse | English Extension 1 | DA | |
| 26270 | O'Gorman, Isabella Catherine | Kincoppal Rose Bay School of the Sacred Heart | Vaucluse | Legal Studies | DA | |
| 26271 | O'Gorman, Isabella Catherine | Kincoppal Rose Bay School of the Sacred Heart | Vaucluse | Studies of Religion II | DA | |
| 26272 | O'Grady, Angus | Cammeraygal High School | Crows Nest | Engineering Studies | DA | |
| 26273 | O'Grady, Angus | Cammeraygal High School | Crows Nest | Mathematics Extension 1 | DA | |
| 26274 | O'Grady, Angus | Cammeraygal High School | Crows Nest | Physics | DA | |
| 26275 | O'Grady, Angus | Cammeraygal High School | Crows Nest | Software Design and Development | DA | |
| 26276 | O'Grady, Kelsey | Cammeraygal High School | Crows Nest | Society and Culture | DA | |
| 26277 | O'Hare, Ryleigh | Mater Dei Catholic College | Wagga Wagga | Agriculture | DA | |
| 26278 | O'Hearn, Grace | Willoughby Girls High School | Willoughby | Japanese Continuers | DA | |
| 26279 | O'Hehir, Zachary | William Clarke College | Kellyville | Mathematics Advanced | DA | |
| 26280 | O'Kane, Henry | St Josephs College Hunters Hill | Hunters Hill | Visual Arts | DA | |
| 26281 | O'Kane, Patrick | St Aloysius College | Milsons Point | All-rounder | ||