This report shows the 2021 top students in each HSC subject, along with their ranking as assigned 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.
The number of top achievers reported varies from 5 to 20, according to the number of candidates taking each subject.
| 651 | Mathematics Standard 2 | Wajzer, Dean | 12 | Chatswood High School | Chatswood |
| 652 | Mathematics Standard 2 | Dutton, Anjali | 20 | Lindisfarne Anglican School | Terranora |
| 653 | Modern Greek Beginners | Calfas, Kleopatra | 1 | NSW School of Languages | Petersham |
| 654 | Modern Greek Beginners | Papacosta, George | 1 | NSW School of Languages | Petersham |
| 655 | Modern Greek Beginners | Kandalepas, Peter | 3 | NSW School of Languages | Petersham |
| 656 | Modern Greek Beginners | Skontos, Sebastian | 4 | Newington College | Stanmore |
| 657 | Modern Greek Beginners | Tsiknis, Nicolette | 5 | NSW School of Languages | Petersham |
| 658 | Modern Greek Continuers | Koliris, Styliani | 1 | St Euphemia College | Bankstown |
| 659 | Modern Greek Continuers | Zisopoulos, Konstantinos Panagiotis | 2 | St Euphemia College | Bankstown |
| 660 | Modern Greek Continuers | Reppas, Chris | 3 | NSW School of Languages | Petersham |
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| 661 | Modern Greek Continuers | Angelopoulos, Sophia | 4 | NSW School of Languages | Petersham |
| 662 | Modern Greek Continuers | Janes, Zoe Anastasia | 5 | St Euphemia College | Bankstown |
| 663 | Modern Greek Extension | Zisopoulos, Konstantinos Panagiotis | 1 | St Euphemia College | Bankstown |
| 664 | Modern Greek Extension | Koliris, Styliani | 2 | St Euphemia College | Bankstown |
| 665 | Modern Greek Extension | Dimitriadis, Rafail | 3 | Secondary College of Languages Ashfield Boys Campus | Ashfield |
| 666 | Modern Greek Extension | Koutoulogenis, Stephen | 4 | St Spyridon College Senior School | Maroubra |
| 667 | Modern Greek Extension | Kordos, Konstantina | 5 | Secondary College of Languages Ashfield Boys Campus | Ashfield |
| 668 | Modern Hebrew Continuers | Ashkenazy, Guy | 1 | Outside Tutor | N/A |
| 669 | Modern Hebrew Continuers | Alhassid, Idan | 2 | Outside Tutor | N/A |
| 670 | Modern Hebrew Continuers | Rosenbaum, Itay | 2 | Outside Tutor | N/A |
| 671 | Modern Hebrew Continuers | Engler, Liam | 4 | Emanuel School | Randwick |
| 672 | Modern Hebrew Continuers | Zohar, Daniel | 5 | Outside Tutor | N/A |
| 673 | Modern History | Chipman, Kate Teresa | 1 | Hornsby Girls High School | Hornsby |
| 674 | Modern History | Halliday Shand, Rachel | 2 | Ravenswood School for Girls | Gordon |
| 675 | Modern History | Koder, Lucy | 3 | Abbotsleigh | Wahroonga |
| 676 | Modern History | Tay, Ashleigh | 4 | Cheltenham Girls High School | Beecroft |
| 677 | Modern History | Sidney, Mia Jane | 5 | Burwood Girls High School | Croydon |
| 678 | Modern History | Mesimeris, Isander | 6 | Sydney Grammar School | Darlinghurst |
| 679 | Modern History | Levison, Luke | 7 | Sydney Grammar School | Darlinghurst |
| 680 | Modern History | Ashworth, Phoenix Barbara | 8 | Hornsby Girls High School | Hornsby |
| 681 | Modern History | Mackay, Keats | 9 | Epping Boys High School | Eastwood |
| 682 | Modern History | Ta, Brendan | 10 | Prairiewood High School | Prairiewood |
| 683 | Modern History | Bathgate, Charlotte | 11 | Ascham School | Edgecliff |
| 684 | Modern History | Carungay, Abigail Bennett | 12 | James Ruse Agricultural High School | Carlingford |
| 685 | Modern History | Deakin-Bell, Olivia Catherine | 13 | Kincoppal Rose Bay School of the Sacred Heart | Vaucluse |
| 686 | Modern History | McALLISTER, Hudson | 14 | The Armidale School | Armidale |
| 687 | Modern History | Ghosh, Hritika | 15 | Abbotsleigh | Wahroonga |
| 688 | Modern History | Williams, Zoe Lara | 16 | Sydney Girls High School | Surry Hills |
| 689 | Modern History | Widdowson, Darcy | 17 | Waverley College | Waverley |
| 690 | Modern History | Kang, JooEun | 18 | Cheltenham Girls High School | Beecroft |
| 691 | Modern History | Philippou, Layla | 18 | Port Hacking High School | Miranda |
| 692 | Modern History | Ma, Max | 20 | The Kings School | North Parramatta |
| 693 | Music 1 | Coffey, Katherine | 1 | Shire Christian School | Barden Ridge |
| 694 | Music 1 | Diamond, Mary | 1 | St Spyridon College Senior School | Maroubra |
| 695 | Music 1 | Quantrill, Miranda | 1 | Mount St Patrick College | Murwillumbah |
| 696 | Music 1 | Knox, Lilian | 4 | St Andrews Cathedral School | Sydney |
| 697 | Music 1 | Sta Barbara, Keisha | 4 | Freeman Catholic College | Bonnyrigg Heights |
| 698 | Music 1 | Geagea, Jimmy | 6 | Parramatta Marist High School | Westmead |
| 699 | Music 1 | Kulish, Emma | 7 | Barker College | Hornsby |
| 700 | Music 1 | Carolan, Finn Hardy | 8 | Knox Grammar School | Wahroonga |