This report shows the 2020 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.
| 601 | Mathematics Extension 2 | Phan, Alexander Van | 1 | James Ruse Agricultural High School | Carlingford |
| 602 | Mathematics Extension 2 | Ma, Desmond | 2 | North Sydney Boys High School | Crows Nest |
| 603 | Mathematics Extension 2 | Ye, Sariena | 3 | James Ruse Agricultural High School | Carlingford |
| 604 | Mathematics Extension 2 | Lin, Jason Zhihao | 4 | Knox Grammar School | Wahroonga |
| 605 | Mathematics Extension 2 | Li, Andrew | 5 | James Ruse Agricultural High School | Carlingford |
| 606 | Mathematics Extension 2 | Leong, Timothy Kar Wai | 6 | Knox Grammar School | Wahroonga |
| 607 | Mathematics Extension 2 | Ly, Jayden | 7 | North Sydney Boys High School | Crows Nest |
| 608 | Mathematics Extension 2 | Poon, Emily Kar-Bo | 8 | North Sydney Girls High School | Crows Nest |
| 609 | Mathematics Extension 2 | Shao, Guo En | 9 | Sydney Boys High School | Moore Park |
| 610 | Mathematics Extension 2 | Zammit, Declan | 10 | Barker College | Hornsby |
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| 611 | Mathematics Standard 1 Examination | Thomas, Lilly Monica | 1 | SEDA College NSW | Glebe |
| 612 | Mathematics Standard 1 Examination | Halilovic, Adna | 2 | Condell Park High School | Condell Park |
| 613 | Mathematics Standard 1 Examination | Brent, Alyssa | 3 | Kotara High School | Adamstown |
| 614 | Mathematics Standard 1 Examination | Cabral, Lucas | 4 | Norwest Christian College | Riverstone |
| 615 | Mathematics Standard 1 Examination | Walker, Owen George | 4 | St Andrews College Senior Campus | Marayong |
| 616 | Mathematics Standard 1 Examination | Ke, Federick | 6 | Georges River College Oatley Senior Campus | Oatley |
| 617 | Mathematics Standard 1 Examination | Naidu, Jayden Christian | 6 | Elizabeth Macarthur High School | Narellan |
| 618 | Mathematics Standard 1 Examination | Walker, Shauna | 8 | Banora Point High School | Banora Point |
| 619 | Mathematics Standard 1 Examination | Bakos, Olivia Louise | 9 | Wagga Wagga Christian College | Wagga Wagga |
| 620 | Mathematics Standard 1 Examination | Jessing, Alyssa | 9 | St Ursulas College | Kingsgrove |
| 621 | Mathematics Standard 1 Examination | Pasfield, Emily | 9 | SEDA College NSW | Glebe |
| 622 | Mathematics Standard 1 Examination | Salt, Leah Erin | 9 | Catherine McAuley Westmead | Westmead |
| 623 | Mathematics Standard 1 Examination | Shields, Brayden | 9 | St John Paul II Catholic College Nirimba | Nirimba Fields |
| 624 | Mathematics Standard 1 Examination | Theyers, Conner Tate | 9 | Bowral High School | Bowral |
| 625 | Mathematics Standard 1 Examination | Tietzel-Berry, Keeley | 9 | Rose Bay Secondary College | Dover Heights |
| 626 | Mathematics Standard 2 | Malcolm, Andrew | 1 | Cherrybrook Technology High School | Cherrybrook |
| 627 | Mathematics Standard 2 | Al Zaidy, Hussein | 2 | Al-Faisal College | Auburn |
| 628 | Mathematics Standard 2 | McManus, Thomas | 3 | St Aloysius College | Milsons Point |
| 629 | Mathematics Standard 2 | Wiatkowski, Leah | 3 | Coonamble High School | Coonamble |
| 630 | Mathematics Standard 2 | Boddington, Tyler | 5 | St Josephs College Hunters Hill | Hunters Hill |
| 631 | Mathematics Standard 2 | Ebadi, Siavash | 6 | TAFE Digital | Ultimo |
| 632 | Mathematics Standard 2 | Lahoud, Matthew James | 6 | Knox Grammar School | Wahroonga |
| 633 | Mathematics Standard 2 | McKernan, Thomas James | 8 | Knox Grammar School | Wahroonga |
| 634 | Mathematics Standard 2 | Cappetta, Matthew | 9 | Marist College North Shore | North Sydney |
| 635 | Mathematics Standard 2 | Al-Sultan, Ameer | 10 | Al-Faisal College | Auburn |
| 636 | Mathematics Standard 2 | Jago, Mikaela | 11 | Mount St Joseph Milperra | Milperra |
| 637 | Mathematics Standard 2 | Pesavento, Tess | 11 | Crestwood High School | Baulkham Hills |
| 638 | Mathematics Standard 2 | Ametson, Jaden | 13 | Georges River College Oatley Senior Campus | Oatley |
| 639 | Mathematics Standard 2 | Du, Xuming | 13 | Hornsby Girls High School | Hornsby |
| 640 | Mathematics Standard 2 | Errington, Jade Rose | 13 | Macarthur Anglican School | Cobbitty |
| 641 | Mathematics Standard 2 | Joyce, Sabrina | 13 | OneSchool Global NSW Sydney | Oatlands |
| 642 | Mathematics Standard 2 | McMillan, Caitlyn | 13 | Mount St Benedict College | Pennant Hills |
| 643 | Mathematics Standard 2 | Volk, Mitchell | 13 | Knox Grammar School | Wahroonga |
| 644 | Mathematics Standard 2 | Witherdin, Josephine | 13 | St Josephs College Lochinvar | Lochinvar |
| 645 | Mathematics Standard 2 | Zreika, Mohamed Gazi | 20 | Al Noori Muslim School Senior Campus | Greenacre |
| 646 | Metal and Engineering Examination | Fisher, Lachlan | 1 | Tumbarumba High School | Tumbarumba |
| 647 | Metal and Engineering Examination | Price, Jacob | 2 | Maitland Grossmann High School | East Maitland |
| 648 | Metal and Engineering Examination | Braes, Ryan John | 3 | Willyama High School | Broken Hill |
| 649 | Modern Greek Beginners | Koutsoubos, Jacqueline | 1 | NSW School of Languages | Petersham |
| 650 | Modern Greek Beginners | Christoforou, Jamie | 2 | NSW School of Languages | Petersham |