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.
| 451 | Information and Digital Technology Examination | Holzmann, Karl | 5 | Parramatta Marist High School | Westmead |
| 452 | Information Processes and Technology | Knight, Annabel | 1 | Strathfield Girls High School | Strathfield |
| 453 | Information Processes and Technology | Murphy, Caitlin Yvonne | 2 | Santa Sabina College | Strathfield |
| 454 | Information Processes and Technology | Zadro, Siena | 3 | Santa Sabina College | Strathfield |
| 455 | Information Processes and Technology | Sorbara, Matthew | 4 | Northern Beaches Christian School | Terrey Hills |
| 456 | Information Processes and Technology | Thomas, Angeleena | 4 | Sydney Girls High School | Surry Hills |
| 457 | Information Processes and Technology | Crown-Milliss, Patrick | 6 | Epping Boys High School | Eastwood |
| 458 | Information Processes and Technology | Polak, Christopher | 6 | William Clarke College | Kellyville |
| 459 | Information Processes and Technology | Lin, Chris Tao | 8 | North Sydney Boys High School | Crows Nest |
| 460 | Information Processes and Technology | Qin, Zitian | 8 | North Sydney Boys High School | Crows Nest |
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| 461 | Information Processes and Technology | Venkatesh, Anoushka | 10 | Blacktown Girls High School | Blacktown |
| 462 | Investigating Science | Fletcher, Nathaniel | 1 | St Pauls College West Kempsey | West Kempsey |
| 463 | Investigating Science | Rath, Oscar | 2 | Barker College | Hornsby |
| 464 | Investigating Science | McDonagh, Addison | 3 | Macquarie Fields High School | Macquarie Fields |
| 465 | Investigating Science | Butler, Max | 4 | Smiths Hill High School | Wollongong |
| 466 | Investigating Science | Jones, Eva | 4 | Alstonville High School | Alstonville |
| 467 | Investigating Science | Clifton, Maggie | 6 | Galston High School | Galston |
| 468 | Investigating Science | de Vera, Arzycki | 6 | Parramatta Marist High School | Westmead |
| 469 | Investigating Science | Kalifa, Evelyn | 6 | St Charbels College | Punchbowl |
| 470 | Investigating Science | Singh, Gurveer | 9 | Wyndham College | Quakers Hill |
| 471 | Investigating Science | Gregg, Natasha | 10 | Cherrybrook Technology High School | Cherrybrook |
| 472 | Italian Beginners | Duggan, Sascha | 1 | Pymble Ladies College | Pymble |
| 473 | Italian Beginners | Yi, Claudia Xin | 2 | Pymble Ladies College | Pymble |
| 474 | Italian Beginners | Rice, Jemima | 3 | Mosman High School | Mosman |
| 475 | Italian Beginners | Gardiner, Imogen | 4 | Pymble Ladies College | Pymble |
| 476 | Italian Beginners | Brown, Phoebe | 5 | Loreto Normanhurst | Normanhurst |
| 477 | Italian Continuers | Kingston, Jemima | 1 | Monte Sant Angelo Mercy College | North Sydney |
| 478 | Italian Continuers | Napoli, Grace | 2 | Loreto Normanhurst | Normanhurst |
| 479 | Italian Continuers | Hadjimichael, Sophia | 3 | NSW School of Languages | Petersham |
| 480 | Italian Continuers | Burrows, Jasmine | 4 | Brigidine College Randwick | Randwick |
| 481 | Italian Continuers | Briganti, Therese | 5 | International Grammar School | Ultimo |
| 482 | Italian Extension | Kingston, Jemima | 1 | Monte Sant Angelo Mercy College | North Sydney |
| 483 | Italian Extension | Briganti, Therese | 2 | International Grammar School | Ultimo |
| 484 | Italian Extension | Milne, Amelia | 3 | International Grammar School | Ultimo |
| 485 | Italian Extension | Pacini, Matilde | 4 | NSW School of Languages | Petersham |
| 486 | Italian Extension | Turini, Vanessa | 5 | NSW School of Languages | Petersham |
| 487 | Japanese and Literature | Kawanami, Seiji | 1 | Secondary College of Languages Chatswood Campus | Chatswood |
| 488 | Japanese and Literature | Koyama, Fuka | 2 | Secondary College of Languages Chatswood Campus | Chatswood |
| 489 | Japanese Beginners | Son, Yeleen | 1 | Marsden High School | Meadowbank |
| 490 | Japanese Beginners | Cai, Qianya Hannah | 2 | Ryde Secondary College | Ryde |
| 491 | Japanese Beginners | Lai, Wing Yan | 3 | St Catherines School | Waverley |
| 492 | Japanese Beginners | Zhang, Yimei | 4 | Macquarie Fields High School | Macquarie Fields |
| 493 | Japanese Beginners | Tu, Chia-Hsuan | 5 | Chatswood High School | Chatswood |
| 494 | Japanese Continuers | Ki, Sung-Jun | 1 | Normanhurst Boys High School | Normanhurst |
| 495 | Japanese Continuers | Christopher, Niamh | 2 | Smiths Hill High School | Wollongong |
| 496 | Japanese Continuers | Mills, Haley | 2 | Presbyterian Ladies College Sydney | Croydon |
| 497 | Japanese Continuers | Zou, Hangxi | 2 | The Hills Grammar School | Kenthurst |
| 498 | Japanese Continuers | Wong, Kai | 5 | Barker College | Hornsby |
| 499 | Japanese Extension | Wen, Angela | 1 | North Sydney Girls High School | Crows Nest |
| 500 | Japanese Extension | Park, Caleb | 2 | North Sydney Boys High School | Crows Nest |