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 | Russell, Alessia | 8 | Merewether High School | Broadmeadow |
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| 2 | Biology | Enjeti, Akash | 14 | Merewether High School | Broadmeadow |
| 3 | Earth and Environmental Science | Woods, Thomas Kyle | 3 | Merewether High School | Broadmeadow |
| 4 | Mathematics Extension 1 | Thomas, Julian Rhys | 6 | Merewether High School | Broadmeadow |
| 5 | Society and Culture | Batmandakh, Khuslen | 6 | Merewether High School | Broadmeadow |
| 6 | Society and Culture | Benge, Jian | 8 | Merewether High School | Broadmeadow |
| 7 | Society and Culture | Thiyakesan, Subanu | 9 | Merewether High School | Broadmeadow |
| 8 | Society and Culture | Smith, Isabella Safiyyah | 10 | Merewether High School | Broadmeadow |
| 9 | Software Engineering | Allington, Morgan James | 5 | Merewether High School | Broadmeadow |