This report shows the 2025 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 | Engineering Studies | Smart, Seamus | 1 | Northern Beaches Secondary College Balgowlah Boys Campus | Balgowlah |
| 2 | Engineering Studies | Mercier, Hayden | 2 | Normanhurst Boys High School | Normanhurst |
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| 3 | Engineering Studies | Stepham, Douglas | 2 | Caringbah High School | Caringbah |
| 4 | Engineering Studies | Voigt, Samuel | 4 | Warners Bay High School | Warners Bay |
| 5 | Engineering Studies | Thomas, Evangelos | 5 | Sydney Technical High School | Bexley |
| 6 | Engineering Studies | Lee, Jack | 6 | Sydney Technical High School | Bexley |
| 7 | Engineering Studies | Chung, Mitchell David | 7 | Newcastle Grammar School | Newcastle |
| 8 | Engineering Studies | Gajus, Hannah | 7 | Sydney Girls High School | Surry Hills |
| 9 | Engineering Studies | Lee, Wang Lok Brian | 7 | Knox Grammar School | Wahroonga |
| 10 | Engineering Studies | Malliaros, Theofilos | 7 | Christian Brothers High School Lewisham | Lewisham |
| 11 | Engineering Studies | Simpson, Arabella | 7 | St Andrews Cathedral School | Sydney |