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.
| 8012 | de Lima, Alexandra Tatiana | Hornsby Girls High School | Hornsby | Mathematics Extension 2 | DA | |
| 8013 | de Lima, Alexandra Tatiana | Hornsby Girls High School | Hornsby | Physics | DA | |
| 8014 | De Lorm, Isaac | Bradfield College | St Leonards | Mathematics Standard 2 | DA | |
| 8015 | De Los Reyes, Esabella | Bethany College | Hurstville | Business Studies | DA | |
| 8016 | De Los Reyes, Esabella | Bethany College | Hurstville | Legal Studies | DA | |
| 8017 | De Los Reyes, Esabella | Bethany College | Hurstville | Mathematics Standard 2 | DA | |
| 8018 | de Luca, Matias | Marist College North Shore | North Sydney | Mathematics Advanced | DA | |
| 8019 | de Mars, Hannah | Northern Beaches Secondary College Manly Campus | North Curl Curl | Mathematics Advanced | DA | |
| 8020 | De Meio, Nicola | Rosebank College | Five Dock | Mathematics Advanced | DA | |
| 8021 | De Melo, Ethan | Emanuel School | Randwick | Economics | DA | |
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| 8022 | De Melo, Ethan | Emanuel School | Randwick | English Advanced | DA | |
| 8023 | De Melo, Ethan | Emanuel School | Randwick | History Extension | DA | |
| 8024 | De Melo, Ethan | Emanuel School | Randwick | Legal Studies | DA | |
| 8025 | De Melo, Ethan | Emanuel School | Randwick | Modern History | DA | |
| 8026 | De Melo, Ethan | Emanuel School | Randwick | Modern History | Subject rank | 20 |
| 8027 | de Montemas, Alexander | Barker College | Hornsby | Biology | DA | |
| 8028 | de Montemas, Alexander | Barker College | Hornsby | Chemistry | DA | |
| 8029 | de Montemas, Alexander | Barker College | Hornsby | Earth and Environmental Science | DA | |
| 8030 | de Montemas, Alexander | Barker College | Hornsby | Mathematics Advanced | DA | |
| 8031 | de Nett, Arabella | Kirrawee High School | Kirrawee | Economics | DA | |
| 8032 | de Nett, Arabella | Kirrawee High School | Kirrawee | English Advanced | DA | |
| 8033 | De Oliva, Liana Rose | St Marys Senior High School | St Marys | Textiles and Design | DA | |
| 8034 | De Palo, Natalie Elise | Santa Sabina College | Strathfield | Biology | DA | |
| 8035 | De Palo, Natalie Elise | Santa Sabina College | Strathfield | Chemistry | DA | |
| 8036 | De Palo, Natalie Elise | Santa Sabina College | Strathfield | Mathematics Advanced | DA | |
| 8037 | De Palo, Natalie Elise | Santa Sabina College | Strathfield | Mathematics Extension 1 | DA | |
| 8038 | De Palo, Natalie Elise | Santa Sabina College | Strathfield | Textiles and Design | DA | |
| 8039 | De Pellegrin, Liesel | Domremy College | Five Dock | Mathematics Advanced | DA | |
| 8040 | De Pellegrin, Liesel | Domremy College | Five Dock | Studies of Religion I | DA | |
| 8041 | de Raadt, Isaac | Canberra Grammar School | Red Hill, ACT | Mathematics Extension 1 | DA | |
| 8042 | de Raadt, Isaac | Canberra Grammar School | Red Hill, ACT | Software Design and Development | DA | |
| 8043 | De Robles, Rafael Carlo | Marist College Kogarah | Bexley | Legal Studies | DA | |
| 8044 | De Rosa, Jasmine | North Sydney Girls High School | Crows Nest | All-rounder | ||
| 8045 | De Rosa, Jasmine | North Sydney Girls High School | Crows Nest | Economics | DA | |
| 8046 | De Rosa, Jasmine | North Sydney Girls High School | Crows Nest | English Advanced | DA | |
| 8047 | De Rosa, Jasmine | North Sydney Girls High School | Crows Nest | Italian Beginners | DA | |
| 8048 | De Rosa, Jasmine | North Sydney Girls High School | Crows Nest | Mathematics Advanced | DA | |
| 8049 | De Rosa, Jasmine | North Sydney Girls High School | Crows Nest | Modern History | DA | |
| 8050 | De Rosa, Jasmine | North Sydney Girls High School | Crows Nest | Economics | Subject rank | 5 |
| 8051 | De Sagun, Danna | Mater Maria Catholic College | Warriewood | English Advanced | DA | |
| 8052 | De Sagun, Danna | Mater Maria Catholic College | Warriewood | Mathematics Advanced | DA | |
| 8053 | De Sagun, Danna | Mater Maria Catholic College | Warriewood | Mathematics Extension 1 | DA | |
| 8054 | De Sagun, Danna | Mater Maria Catholic College | Warriewood | Studies of Religion I | DA | |
| 8055 | De Silva, Brendan | St Aloysius College | Milsons Point | Mathematics Advanced | DA | |
| 8056 | De Silva, Chiaara | Pymble Ladies College | Pymble | History Extension | DA | |
| 8057 | De Silva, Chiaara | Pymble Ladies College | Pymble | Legal Studies | DA | |
| 8058 | De Silva, Georgia Amelie | Meriden School | Strathfield | Geography | DA | |
| 8059 | De Silva, Thilakamuni | North Sydney Boys High School | Crows Nest | Economics | DA | |
| 8060 | De Silva, Thilakamuni | North Sydney Boys High School | Crows Nest | Mathematics Advanced | DA | |
| 8061 | De Silva, Thilakamuni | North Sydney Boys High School | Crows Nest | Mathematics Extension 1 | DA | |