This report shows the 2015 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 | Wilson, Benjamin | 1 | Sydney Distance Education High School | Woolloomooloo |
| 2 | Aboriginal Studies | Drego, Annika Daphne | 2 | Cheltenham Girls High School | Beecroft |
| 3 | Aboriginal Studies | Schaefer, Alexandra Jade | 3 | Cheltenham Girls High School | Beecroft |
| 4 | Aboriginal Studies | Minns, Teagan Jade | 4 | Hunter School of Performing Arts | Broadmeadow |
| 5 | Aboriginal Studies | Goldsmith, Emily Meg | 5 | Cheltenham Girls High School | Beecroft |
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| 6 | Agriculture | Rigby, Mala | 1 | Pymble Ladies College | Pymble |
| 7 | Agriculture | Moore, Jonathon | 2 | Canberra Grammar School | Red Hill, ACT |
| 8 | Agriculture | Garling, Molly | 3 | Pymble Ladies College | Pymble |
| 9 | Agriculture | Ashton, Shannon Kate | 4 | Barker College | Hornsby |
| 10 | Agriculture | Sun, Helen | 5 | James Ruse Agricultural High School | Carlingford |
| 11 | Agriculture | Vanden Dool, Carly | 6 | Muirfield High School | North Rocks |
| 12 | Agriculture | Vaseeharan, Abiramy | 7 | James Ruse Agricultural High School | Carlingford |
| 13 | Agriculture | Longworth, Emma | 8 | Muirfield High School | North Rocks |
| 14 | Agriculture | Drake, Marnie | 9 | Pymble Ladies College | Pymble |
| 15 | Agriculture | Young, Rowena | 10 | James Ruse Agricultural High School | Carlingford |
| 16 | Ancient History | Henning, Sophia | 1 | Presbyterian Ladies College Sydney | Croydon |
| 17 | Ancient History | Mack, Sophie | 2 | Gilroy Catholic College | Castle Hill |
| 18 | Ancient History | Duffy, James Robert Moffitt | 3 | St Josephs College Hunters Hill | Hunters Hill |
| 19 | Ancient History | Nadaradjane, Anjali Amandia | 3 | Cheltenham Girls High School | Beecroft |
| 20 | Ancient History | Liu, Shuhong (Lisa) | 5 | Chatswood High School | Chatswood |
| 21 | Ancient History | Woodforde, Isabelle | 5 | Roseville College | Roseville |
| 22 | Ancient History | Buchanan, Isabella | 7 | Presbyterian Ladies College Sydney | Croydon |
| 23 | Ancient History | Fortuin, Georgia Louise | 8 | Loreto Kirribilli | Kirribilli |
| 24 | Ancient History | Calligaro, Lara | 9 | Pymble Ladies College | Pymble |
| 25 | Ancient History | Rotolo-Ross, Giacomo Harold | 10 | Knox Grammar School | Wahroonga |