| 1 | James Ruse Agricultural High School | Carlingford | Biology | 45 |
| 2 | Pymble Ladies College | Pymble | Biology | 35 |
| 3 | Malek Fahd Islamic School | Greenacre | Biology | 27 |
| 4 | Baulkham Hills High School | Baulkham Hills | Biology | 25 |
| 5 | Barker College | Hornsby | Biology | 23 |
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| 6 | Sydney Girls High School | Surry Hills | Biology | 22 |
| 7 | North Sydney Girls High School | Crows Nest | Biology | 21 |
| 8 | Abbotsleigh | Wahroonga | Biology | 19 |
| 9 | Fort Street High School | Petersham | Biology | 19 |
| 10 | Merewether High School | Broadmeadow | Biology | 19 |
| 11 | Gosford High School | Gosford | Biology | 17 |
| 12 | Girraween High School | Girraween | Biology | 15 |
| 13 | Hurlstone Agricultural High School | Glenfield | Biology | 13 |
| 14 | St Francis Xaviers College | Hamilton | Biology | 13 |
| 15 | Sydney Grammar School | Darlinghurst | Biology | 13 |
| 16 | Killara High School | Killara | Biology | 12 |
| 17 | Queenwood School for Girls | Mosman | Biology | 12 |
| 18 | Strathfield Girls High School | Strathfield | Biology | 12 |
| 19 | Tara Anglican School for Girls | North Parramatta | Biology | 12 |
| 20 | Blue Mountains Grammar School | Wentworth Falls | Biology | 11 |
| 21 | Freeman Catholic College | Bonnyrigg Heights | Biology | 11 |
| 22 | Moriah College | Queens Park | Biology | 11 |
| 23 | Northern Beaches Secondary College Manly Campus | North Curl Curl | Biology | 11 |
| 24 | Ravenswood School for Girls | Gordon | Biology | 11 |
| 25 | Reddam House Bondi Campus | North Bondi | Biology | 11 |
Source: NSW Education Standards Authority (NESA).
Supplementary data from school publications.
Supplementary data from school publications.
Last Updated: 22 Feb 2021