This report shows the 2018 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.
| 1 | Aboriginal Studies | Bui, Emma | 1 | Cheltenham Girls High School | Beecroft |
| 2 | Aboriginal Studies | Aston, Kate | 2 | Killara High School | Killara |
| 3 | Aboriginal Studies | McKern, Binta Mariama | 3 | Kiama High School | Kiama |
| 4 | Aboriginal Studies | Perkins, Olivia Wright | 4 | Cowra High School | Cowra |
| 5 | Aboriginal Studies | Murthy, Sharanya Aashrita | 5 | Cheltenham Girls High School | Beecroft |
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| 6 | Agriculture | Coles, Phoebe | 1 | Pymble Ladies College | Pymble |
| 7 | Agriculture | McPherson, Thomas Malcolm | 2 | Barker College | Hornsby |
| 8 | Agriculture | Logan, Pia | 3 | Calrossy Anglican School | Tamworth |
| 9 | Agriculture | Lee, Flora | 4 | James Ruse Agricultural High School | Carlingford |
| 10 | Agriculture | Wang, Li Yi | 5 | James Ruse Agricultural High School | Carlingford |
| 11 | Agriculture | Peng, Terry | 6 | James Ruse Agricultural High School | Carlingford |
| 12 | Agriculture | Wang, Isabella Qiao-zhi | 6 | James Ruse Agricultural High School | Carlingford |
| 13 | Agriculture | Armati, Charlotte | 8 | Pymble Ladies College | Pymble |
| 14 | Agriculture | Catts, Riley | 9 | Calrossy Anglican School | Tamworth |
| 15 | Agriculture | McElroy, Jaimie | 10 | New England Girls School | Armidale |
| 16 | Ancient History | McCartney, William | 1 | Sydney Grammar School | Darlinghurst |
| 17 | Ancient History | Parsons, Rebekah | 1 | Monte Sant Angelo Mercy College | North Sydney |
| 18 | Ancient History | Kaye, Brandon | 3 | Emanuel School | Randwick |
| 19 | Ancient History | Adams, Jeremy | 4 | Trinity Grammar School | Summer Hill |
| 20 | Ancient History | Daly-Hyatt, Lila Margaret | 5 | Katoomba High School | Katoomba |
| 21 | Ancient History | Frisina, Alexander Marcus Leon | 5 | North Sydney Boys High School | Crows Nest |
| 22 | Ancient History | Lawler, Bella | 7 | Monte Sant Angelo Mercy College | North Sydney |
| 23 | Ancient History | Lynch, Siobhan | 8 | Willoughby Girls High School | Willoughby |
| 24 | Ancient History | Wong, Yijing | 8 | Tara Anglican School for Girls | North Parramatta |
| 25 | Ancient History | Toole, Makensie | 10 | Belmont Christian College | Belmont North |