| 1 | Malek Fahd Islamic School | Greenacre | Biology | 44 |
| 2 | James Ruse Agricultural High School | Carlingford | Biology | 35 |
| 3 | Baulkham Hills High School | Baulkham Hills | Biology | 31 |
| 4 | Fort Street High School | Petersham | Biology | 27 |
| 5 | Barker College | Hornsby | Biology | 25 |
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| 6 | Northern Beaches Secondary College Manly Campus | North Curl Curl | Biology | 25 |
| 7 | Pymble Ladies College | Pymble | Biology | 24 |
| 8 | North Sydney Girls High School | Crows Nest | Biology | 22 |
| 9 | Girraween High School | Girraween | Biology | 18 |
| 10 | St Marys Senior High School | St Marys | Biology | 18 |
| 11 | Sydney Grammar School | Darlinghurst | Biology | 18 |
| 12 | Killara High School | Killara | Biology | 17 |
| 13 | Merewether High School | Broadmeadow | Biology | 17 |
| 14 | Hurlstone Agricultural High School | Glenfield | Biology | 16 |
| 15 | St George Girls High School | Kogarah | Biology | 16 |
| 16 | SCEGGS Darlinghurst | Darlinghurst | Biology | 14 |
| 17 | Sydney Girls High School | Surry Hills | Biology | 14 |
| 18 | Caringbah High School | Caringbah | Biology | 13 |
| 19 | Cheltenham Girls High School | Beecroft | Biology | 13 |
| 20 | Hornsby Girls High School | Hornsby | Biology | 13 |
| 21 | Abbotsleigh | Wahroonga | Biology | 12 |
| 22 | Queenwood School for Girls | Mosman | Biology | 12 |
| 23 | Sydney Boys High School | Moore Park | Biology | 12 |
| 24 | The Kings School | North Parramatta | Biology | 12 |
| 25 | Ascham School | Edgecliff | Biology | 11 |
Source: NSW Education Standards Authority (NESA).
Supplementary data from school publications.
Supplementary data from school publications.
Last Updated: 14 Feb 2023