This report shows the 2013 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 | Stern, Daniel James | 2 | Killara High School | Killara |
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| 2 | English as a Second Language | Lu, Kuan-Ting | 2 | Killara High School | Killara |
| 3 | Mathematics Extension 1 | Son, Taeyoung | 1 | Killara High School | Killara |
| 4 | Mathematics Extension 1 | Lu, Kuan-Ting | 3 | Killara High School | Killara |
| 5 | Modern History | Lennon, Oliver Cleveland | 7 | Killara High School | Killara |
| 6 | Software Design and Development | Hare, Brandon James | 9 | Killara High School | Killara |
| 7 | Textiles and Design | Norrington, Emma Louise | 4 | Killara High School | Killara |