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.
| 701 | Music 1 | Goddard, Thomas Newman | 8 | Knox Grammar School | Wahroonga |
| 702 | Music 1 | Kapitanow, Emily | 8 | Oran Park Anglican College | Oran Park |
| 703 | Music 1 | Zhou, Kaiyang | 8 | The Kings School | North Parramatta |
| 704 | Music 2 | Chen, Annabella | 1 | Abbotsleigh | Wahroonga |
| 705 | Music 2 | Clemmit, Joseph | 1 | Northholm Grammar School | Arcadia |
| 706 | Music 2 | Tang, Rena Lin | 1 | Meriden School | Strathfield |
| 707 | Music 2 | Chen, Justin | 4 | St Andrews Cathedral School | Sydney |
| 708 | Music 2 | Fu, Yue Yang | 4 | Kambala | Rose Bay |
| 709 | Music 2 | Lin, Daniel | 4 | Sydney Grammar School | Darlinghurst |
| 710 | Music 2 | Teasdell, George | 4 | St Columba Anglican School | Port Macquarie |
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| 711 | Music Extension | Chen, Annabella | 1 | Abbotsleigh | Wahroonga |
| 712 | Music Extension | Chen, Justin | 2 | St Andrews Cathedral School | Sydney |
| 713 | Music Extension | Fu, Yue Yang | 2 | Kambala | Rose Bay |
| 714 | Music Extension | Lin, Daniel | 2 | Sydney Grammar School | Darlinghurst |
| 715 | Music Extension | Joyce, Ellery Maree Townsend | 5 | MLC School | Burwood |
| 716 | Persian Continuers | Karimi, Faeza | 1 | Secondary College of Languages Arthur Phillip Campus | Parramatta |
| 717 | Persian Continuers | Ghamoush Ramandi, Melika | 2 | Secondary College of Languages Arthur Phillip Campus | Parramatta |
| 718 | Persian Continuers | Ashraf, Farzana | 3 | Secondary College of Languages Arthur Phillip Campus | Parramatta |
| 719 | Persian Continuers | Pakniyat, Armina | 4 | Secondary College of Languages Arthur Phillip Campus | Parramatta |
| 720 | Persian Continuers | Jafari, Masooma | 5 | Secondary College of Languages Arthur Phillip Campus | Parramatta |
| 721 | Persian Continuers | Tafi, Amirali | 5 | Secondary College of Languages Arthur Phillip Campus | Parramatta |
| 722 | Personal Development, Health and Physical Education | Safi, Leila | 1 | Amity College Prestons | Prestons |
| 723 | Personal Development, Health and Physical Education | O'Malley, Jamai | 2 | Xavier Catholic College Ballina | Skennars Head |
| 724 | Personal Development, Health and Physical Education | Neill, Maddison | 3 | St Vincents College | Potts Point |
| 725 | Personal Development, Health and Physical Education | Davis, Mia | 4 | MacKillop College Bathurst | Bathurst |
| 726 | Personal Development, Health and Physical Education | Apostolovski, Emily | 5 | East Hills Girls Technology High School | Panania |
| 727 | Personal Development, Health and Physical Education | Robinson, Lauren | 6 | Ravenswood School for Girls | Gordon |
| 728 | Personal Development, Health and Physical Education | Fleming, Madison Tayla | 7 | Cherrybrook Technology High School | Cherrybrook |
| 729 | Personal Development, Health and Physical Education | Khan, Manal | 8 | Amity College Prestons | Prestons |
| 730 | Personal Development, Health and Physical Education | Jenkins, Saskia Jade | 9 | Abbotsleigh | Wahroonga |
| 731 | Personal Development, Health and Physical Education | Kan, Frances | 10 | James Ruse Agricultural High School | Carlingford |
| 732 | Personal Development, Health and Physical Education | Varga, Julian | 11 | Marist College Eastwood | Eastwood |
| 733 | Personal Development, Health and Physical Education | Hainsworth, Owen | 12 | The Ponds High School | The Ponds |
| 734 | Personal Development, Health and Physical Education | Williams, Sienna | 12 | St Ursulas College | Kingsgrove |
| 735 | Personal Development, Health and Physical Education | Forrester, Alana | 14 | St Patricks College Sutherland | Sutherland |
| 736 | Personal Development, Health and Physical Education | Newman, Ingrid | 15 | Monte Sant Angelo Mercy College | North Sydney |
| 737 | Personal Development, Health and Physical Education | Prater, Holly Madeline | 15 | Green Point Christian College | Green Point |
| 738 | Personal Development, Health and Physical Education | Donovan, Ashley | 17 | Dapto High School | Dapto |
| 739 | Personal Development, Health and Physical Education | Simos, Lily | 18 | St Clares College | Waverley |
| 740 | Personal Development, Health and Physical Education | Le, Catherine My-Phu | 19 | Sefton High School | Sefton |
| 741 | Personal Development, Health and Physical Education | Hogg, Nicola Sophie | 20 | Abbotsleigh | Wahroonga |
| 742 | Personal Development, Health and Physical Education | Simos, Hannah | 21 | St Clares College | Waverley |
| 743 | Physics | Kum, Brian | 1 | Northern Sydney Institute St Leonards Campus | St Leonards |
| 744 | Physics | Mitchell, Andre Stefan | 1 | Northern Beaches Secondary College Manly Campus | North Curl Curl |
| 745 | Physics | Cheng, Ziyao | 3 | Chatswood High School | Chatswood |
| 746 | Physics | Huang, Jordan Hao Cheng | 3 | SHORE Sydney Church of England Grammar School | North Sydney |
| 747 | Physics | Sreenath, Ashray | 3 | Macquarie Fields High School | Macquarie Fields |
| 748 | Physics | Zheng, Hanyang | 3 | Sydney Boys High School | Moore Park |
| 749 | Physics | Adra, Salam Aaliyah | 7 | Strathfield Girls High School | Strathfield |
| 750 | Physics | Hassey, Xavier | 7 | Christian Brothers High School Lewisham | Lewisham |