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 | Biology | Zhang, Stacy | 1 | Roseville College | Roseville |
| 2 | Biology | Park, Chloe Haeun | 17 | Roseville College | Roseville |
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| 3 | Chemistry | Zhang, Stacy | 1 | Roseville College | Roseville |
| 4 | English Extension 1 | Frantz, Rebecca | 9 | Roseville College | Roseville |
| 5 | Food Technology | de Mar, Beatrix | 8 | Roseville College | Roseville |
| 6 | History Extension | Clement, Katia | 9 | Roseville College | Roseville |
| 7 | Legal Studies | Firek, Sophie | 1 | Roseville College | Roseville |
| 8 | Modern History | Firek, Sophie | 6 | Roseville College | Roseville |
| 9 | Music 2 | Park, Chloe Haeun | 3 | Roseville College | Roseville |
| 10 | Music 2 | Mai, Eva | 4 | Roseville College | Roseville |
| 11 | Music Extension | Mai, Eva | 2 | Roseville College | Roseville |