This report shows the first placed student in each HSC subject in 2021 as awarded by the NSW Education Standards Authority.
Rankings are calculated from student HSC marks in the subject, or, where this results in a tie, from the average of the students' examination and assessment marks.
Students must achieve a band 6 or band E4 result in the relevant subject to appear in this list.
This report is equivalent to the Subject Top Achievers report after applying the filter "Rank equals 1".
| 1 | Aboriginal Studies | Guastini, Sofia | Cheltenham Girls High School | Beecroft |
| 2 | Agriculture | Dong, Oscar | James Ruse Agricultural High School | Carlingford |
| 3 | Ancient History | Tonkinwise, Elsa | MLC School | Burwood |
| 4 | Arabic Continuers | Emad, Raneem | Al-Faisal College | Auburn |
| 5 | Arabic Extension | Ahmed, Roaa | Beverly Hills Girls High School | Beverly Hills |
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| 6 | Armenian Continuers | Grigoryan, Milena | Secondary College of Languages Chatswood Campus | Chatswood |
| 7 | Automotive Examination | O'Grady, Lachlan Raymond | Riverina Institute Griffith Campus | Griffith |
| 8 | Biology | Vlahos, Diana | Our Lady of the Sacred Heart College | Kensington |
| 9 | Business Services Examination | Hussein, Nyla | Amity College Prestons | Prestons |
| 10 | Business Services Examination | Nikolic, Andjela | Bossley Park High School | Bossley Park |
| 11 | Business Services Examination | Vo, Sophie | Cerdon College | Merrylands |
| 12 | Business Studies | Stojcevski, Elena | East Hills Girls Technology High School | Panania |
| 13 | Chemistry | Lee, Ryan | Sydney Boys High School | Moore Park |
| 14 | Chinese and Literature | Wang, Miao | Reddam House Bondi Campus | North Bondi |
| 15 | Chinese Beginners | Nguyen, Thi Hong Thu | Kingsgrove North High School | Kingsgrove |
| 16 | Chinese Beginners | Tiev, Melissa Ly | Bonnyrigg High School | Bonnyrigg |
| 17 | Chinese Continuers | Briganti, Therese | International Grammar School | Ultimo |
| 18 | Chinese Extension | Choy, Ethan | Sydney Grammar School | Darlinghurst |
| 19 | Chinese in Context | Liang, Ting Jun | Secondary College of Languages Birrong Boys Campus | Birrong |
| 20 | Classical Greek Continuers | Mesimeris, Isander | Sydney Grammar School | Darlinghurst |
| 21 | Classical Greek Extension | Mesimeris, Isander | Sydney Grammar School | Darlinghurst |
| 22 | Classical Hebrew Continuers | Spielman, Shoshana | Kesser Torah College | Dover Heights |
| 23 | Classical Hebrew Extension | Spielman, Shoshana | Kesser Torah College | Dover Heights |
| 24 | Community and Family Studies | Alameddine, Daania | Fairvale High School | Fairfield West |
| 25 | Construction Examination | Khattar, Tony | Clancy Catholic College | West Hoxton |