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.
| 31985 | Siljic, Jasmine | Northern Beaches Christian School | Terrey Hills | Ancient History | DA | |
| 31986 | Siljic, Jasmine | Northern Beaches Christian School | Terrey Hills | History Extension | DA | |
| 31987 | Silk, Ethan | Kotara High School | Adamstown | Music 1 | DA | |
| 31988 | Silver, Daniel | Moriah College | Queens Park | Music 1 | DA | |
| 31989 | Silverton, Phoebe | Ascham School | Edgecliff | All-rounder | ||
| 31990 | Silverton, Phoebe | Ascham School | Edgecliff | Biology | DA | |
| 31991 | Silverton, Phoebe | Ascham School | Edgecliff | Economics | DA | |
| 31992 | Silverton, Phoebe | Ascham School | Edgecliff | English Advanced | DA | |
| 31993 | Silverton, Phoebe | Ascham School | Edgecliff | Mathematics Advanced | DA | |
| 31994 | Silverton, Phoebe | Ascham School | Edgecliff | Visual Arts | DA | |
| 31995 | Silvestro, Carla | Macarthur Girls High School | Parramatta | Community and Family Studies | DA | |
| 31996 | Silvestro, Carla | Macarthur Girls High School | Parramatta | Personal Development, Health and Physical Education | DA | |
| 31997 | Sim, Isabelle | Pymble Ladies College | Pymble | Ancient History | DA | |
| 31998 | Sim, Lucy May | Northern Beaches Secondary College Mackellar Girls Campus | Manly Vale | Community and Family Studies | DA | |
| 31999 | Sim, Lucy May | Northern Beaches Secondary College Mackellar Girls Campus | Manly Vale | Hospitality Examination | DA | |
| 32000 | Simamora, Bennedict | Bonnyrigg High School | Bonnyrigg | Music 1 | DA | |
| 32001 | Simiana, Dylan | Camden Haven High School | Laurieton | Industrial Technology | DA | |
| 32002 | Simic, Anthony | Patrician Brothers College Blacktown | Blacktown | English Advanced | DA | |
| 32003 | Simic, Anthony | Patrician Brothers College Blacktown | Blacktown | English Extension 1 | DA | |
| 32004 | Simic, Anthony | Patrician Brothers College Blacktown | Blacktown | English Extension 2 | DA | |
| 32005 | Simic, Anthony | Patrician Brothers College Blacktown | Blacktown | Legal Studies | DA | |
| 32006 | Simic, Anthony | Patrician Brothers College Blacktown | Blacktown | Society and Culture | DA | |
| 32007 | Siminsky, Tomas | St Marys Cathedral College | Sydney | Mathematics Standard 2 | DA | |
| 32008 | Simity, Harley | Kariong Mountains High School | Kariong | Society and Culture | DA | |
| 32009 | Simkhada, Anmol | Parramatta High School | Parramatta | Mathematics Advanced | DA | |
| 32010 | Simkhada, Anmol | Parramatta High School | Parramatta | Mathematics Extension 1 | DA | |
| 32011 | Simmonds, Ryley | St Gregorys College Campbelltown | Gregory Hills | Music 1 | DA | |
| 32012 | Simmons, Grace | Brigidine College Randwick | Randwick | Food Technology | DA | |
| 32013 | Simmons, Grace | Brigidine College Randwick | Randwick | Personal Development, Health and Physical Education | DA | |
| 32014 | Simmons, James | Norwest Christian College | Riverstone | Mathematics Extension 1 | DA | |
| 32015 | Simmons, Jayden | Rose Bay Secondary College | Dover Heights | Legal Studies | DA | |
| 32016 | Simmons, Joshua | St Marks Catholic College | Stanhope Gardens | Legal Studies | DA | |
| 32017 | Simmons, Riley William | The Armidale School | Armidale | Engineering Studies | DA | |
| 32018 | Simmons, Teale | Arndell Anglican College | Oakville | Agriculture | DA | |
| 32019 | Simmons, Teale | Arndell Anglican College | Oakville | Biology | DA | |
| 32020 | Simmons, Teale | Arndell Anglican College | Oakville | Mathematics Advanced | DA | |
| 32021 | Simmons, Teale | Arndell Anglican College | Oakville | Physics | DA | |
| 32022 | Simms, Anna | St Catherines School | Waverley | English Advanced | DA | |
| 32023 | Simms, Anna | St Catherines School | Waverley | Legal Studies | DA | |
| 32024 | Simoes, Kiara | Killarney Heights High School | Killarney Heights | English Standard | DA | |
| 32025 | Simoes, Kiara | Killarney Heights High School | Killarney Heights | Legal Studies | DA | |
| 32026 | Simoes, Kiara | Killarney Heights High School | Killarney Heights | English Standard | Subject rank | 2 |
| 32027 | Simon, Lawrence | St Patricks College Sutherland | Sutherland | Design and Technology | DA | |
| 32028 | Simon, Portia | Willoughby Girls High School | Willoughby | Visual Arts | DA | |
| 32029 | Simon, Rohan | Toongabbie Christian College | Toongabbie | Mathematics Extension 1 | DA | |
| 32030 | Simon, Rohan | Toongabbie Christian College | Toongabbie | Mathematics Extension 2 | DA | |
| 32031 | Simonetta, Ashley | Clancy Catholic College | West Hoxton | Economics | DA | |
| 32032 | Simonetta, Ashley | Clancy Catholic College | West Hoxton | English Advanced | DA | |
| 32033 | Simonetta, Ashley | Clancy Catholic College | West Hoxton | Legal Studies | DA | |
| 32034 | Simonetta, Ashley | Clancy Catholic College | West Hoxton | Mathematics Advanced | DA | |