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.
| 26132 | O'Brien, Joe | Northern Beaches Secondary College Balgowlah Boys Campus | Balgowlah | Modern History | DA | |
| 26133 | O'Brien, Kiefer | St Pius X College | Chatswood | English Advanced | DA | |
| 26134 | O'Brien, Kiefer | St Pius X College | Chatswood | French Beginners | DA | |
| 26135 | O'Brien, Kiefer | St Pius X College | Chatswood | Mathematics Advanced | DA | |
| 26136 | O'Brien, Kiefer | St Pius X College | Chatswood | Studies of Religion II | DA | |
| 26137 | O'Brien, Lauren | Northern Beaches Secondary College Freshwater Campus | Freshwater | Drama | DA | |
| 26138 | O'Brien, Matilda Taylor | Coffs Harbour Christian Community School | Bonville | Indonesian Beginners | DA | |
| 26139 | O'Brien, Matilda Taylor | Coffs Harbour Christian Community School | Bonville | Indonesian Beginners | Subject rank | 5 |
| 26140 | O'Brien, Michaela | Winmalee High School | Winmalee | Drama | DA | |
| 26141 | O'Brien, Mimi Madonna | Loreto Kirribilli | Kirribilli | Chinese Continuers | DA | |
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| 26142 | O'Brien, Mimi Madonna | Loreto Kirribilli | Kirribilli | Visual Arts | DA | |
| 26143 | O'Brien, Natasha | Monte Sant Angelo Mercy College | North Sydney | English Advanced | DA | |
| 26144 | O'Brien, Natasha | Monte Sant Angelo Mercy College | North Sydney | English Extension 1 | DA | |
| 26145 | O'Brien, Natasha | Monte Sant Angelo Mercy College | North Sydney | Legal Studies | DA | |
| 26146 | O'Brien, Natasha | Monte Sant Angelo Mercy College | North Sydney | Modern History | DA | |
| 26147 | O'Brien, Natasha | Monte Sant Angelo Mercy College | North Sydney | Studies of Religion I | DA | |
| 26148 | O'Brien, Neal | Marist College North Shore | North Sydney | Mathematics Extension 1 | DA | |
| 26149 | O'Brien, Neal | Marist College North Shore | North Sydney | Physics | DA | |
| 26150 | O'Brien, Nicholas | St Augustines College | Brookvale | English Advanced | DA | |
| 26151 | O'Brien, Nicholas | St Augustines College | Brookvale | Visual Arts | DA | |
| 26152 | O'Brien, Patrick Carlos | St Ignatius College | Lane Cove | English Extension 1 | DA | |
| 26153 | O'Brien, Patrick Carlos | St Ignatius College | Lane Cove | Mathematics Advanced | DA | |
| 26154 | O'Brien, Patrick Carlos | St Ignatius College | Lane Cove | Studies of Religion II | DA | |
| 26155 | O'Brien, Patrick Carlos | St Ignatius College | Lane Cove | Visual Arts | DA | |
| 26156 | O'Brien, Sarah | All Saints Catholic College Casula Campus | Casula | English Advanced | DA | |
| 26157 | O'Brien, Sarah | All Saints Catholic College Casula Campus | Casula | Food Technology | DA | |
| 26158 | O'Brien, Sarah | All Saints Catholic College Casula Campus | Casula | Mathematics Standard 2 | DA | |
| 26159 | O'Brien, Sarah | Loreto Normanhurst | Normanhurst | Business Studies | DA | |
| 26160 | O'Brien, Sarah | Loreto Normanhurst | Normanhurst | English Advanced | DA | |
| 26161 | O'Brien, Sarah | Loreto Normanhurst | Normanhurst | Food Technology | DA | |
| 26162 | O'Brien, Sarah | Loreto Normanhurst | Normanhurst | Personal Development, Health and Physical Education | DA | |
| 26163 | O'Brien, Shannon Darcy | Hennessy Catholic College | Young | Business Studies | DA | |
| 26164 | O'Brien, Shannon Darcy | Hennessy Catholic College | Young | History Extension | DA | |
| 26165 | O'Brien, Shannon Darcy | Hennessy Catholic College | Young | Studies of Religion I | DA | |
| 26166 | O'Brien, Tylah | St John The Evangelist Catholic High School | Nowra | Community and Family Studies | DA | |
| 26167 | O'Brien-MacLean, Rory | Tempe High School | Tempe | English Advanced | DA | |
| 26168 | O'Brien-MacLean, Rory | Tempe High School | Tempe | English Extension 1 | DA | |
| 26169 | O'Brien-MacLean, Rory | Tempe High School | Tempe | English Extension 2 | DA | |
| 26170 | O'Brien-MacLean, Rory | Tempe High School | Tempe | Mathematics Advanced | DA | |
| 26171 | O'Bryan, Nicholas | Barker College | Hornsby | All-rounder | ||
| 26172 | O'Bryan, Nicholas | Barker College | Hornsby | Chemistry | DA | |
| 26173 | O'Bryan, Nicholas | Barker College | Hornsby | English Advanced | DA | |
| 26174 | O'Bryan, Nicholas | Barker College | Hornsby | Mathematics Extension 1 | DA | |
| 26175 | O'Bryan, Nicholas | Barker College | Hornsby | Mathematics Extension 2 | DA | |
| 26176 | O'Bryan, Nicholas | Barker College | Hornsby | Physics | DA | |
| 26177 | O'Callaghan, Lily Rose | Merewether High School | Broadmeadow | Biology | DA | |
| 26178 | O'Carroll, Cassandra | Bomaderry High School | Bomaderry | Earth and Environmental Science | DA | |
| 26179 | O'Carroll, Cassandra | Bomaderry High School | Bomaderry | Geography | DA | |
| 26180 | O'Connell, Archibald | Sydney Grammar School | Darlinghurst | Mathematics Advanced | DA | |
| 26181 | O'Connell, Daniel | Rosebank College | Five Dock | Mathematics Extension 1 | DA | |