| 1 | Sydney Grammar School | Darlinghurst | Geography | 34 |
| 2 | Pymble Ladies College | Pymble | Geography | 16 |
| 3 | Newcastle Grammar School | Newcastle | Geography | 15 |
| 4 | SHORE Sydney Church of England Grammar School | North Sydney | Geography | 14 |
| 5 | Abbotsleigh | Wahroonga | Geography | 13 |
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| 6 | Monte Sant Angelo Mercy College | North Sydney | Geography | 10 |
| 7 | The Kings School | North Parramatta | Geography | 10 |
| 8 | Wenona School | North Sydney | Geography | 10 |
| 9 | Queenwood School for Girls | Mosman | Geography | 9 |
| 10 | Sydney Boys High School | Moore Park | Geography | 9 |
| 11 | Ascham School | Edgecliff | Geography | 7 |
| 12 | Cranbrook School | Bellevue Hill | Geography | 7 |
| 13 | Barker College | Hornsby | Geography | 6 |
| 14 | Calrossy Anglican School | Tamworth | Geography | 6 |
| 15 | Engadine High School | Engadine | Geography | 6 |
| 16 | Loreto Kirribilli | Kirribilli | Geography | 6 |
| 17 | St Aloysius College | Milsons Point | Geography | 6 |
| 18 | Caringbah High School | Caringbah | Geography | 5 |
| 19 | Knox Grammar School | Wahroonga | Geography | 5 |
| 20 | Marcellin College | Randwick | Geography | 5 |
| 21 | Merewether High School | Broadmeadow | Geography | 5 |
| 22 | Arden Anglican School Epping Campus | Epping | Geography | 4 |
| 23 | Baulkham Hills High School | Baulkham Hills | Geography | 4 |
| 24 | Cherrybrook Technology High School | Cherrybrook | Geography | 4 |
| 25 | Fort Street High School | Petersham | Geography | 4 |
Source: NSW Education Standards Authority (NESA).
Supplementary data from school publications.
Supplementary data from school publications.
Last Updated: 14 Feb 2023