| 1 | James Ruse Agricultural High School | Carlingford | Mathematics Extension 1 | 137 |
| 2 | North Sydney Boys High School | Crows Nest | Mathematics Extension 1 | 129 |
| 3 | Baulkham Hills High School | Baulkham Hills | Mathematics Extension 1 | 128 |
| 4 | Sydney Boys High School | Moore Park | Mathematics Extension 1 | 121 |
| 5 | Sydney Grammar School | Darlinghurst | Mathematics Extension 1 | 87 |
| 6 | Normanhurst Boys High School | Normanhurst | Mathematics Extension 1 | 81 |
| 7 | North Sydney Girls High School | Crows Nest | Mathematics Extension 1 | 80 |
| 8 | Knox Grammar School | Wahroonga | Mathematics Extension 1 | 76 |
| 9 | Sydney Girls High School | Surry Hills | Mathematics Extension 1 | 70 |
| 10 | Girraween High School | Girraween | Mathematics Extension 1 | 63 |
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| 11 | Sydney Technical High School | Bexley | Mathematics Extension 1 | 51 |
| 12 | Fort Street High School | Petersham | Mathematics Extension 1 | 50 |
| 13 | Hurlstone Agricultural High School | Glenfield | Mathematics Extension 1 | 50 |
| 14 | St Aloysius College | Milsons Point | Mathematics Extension 1 | 47 |
| 15 | Barker College | Hornsby | Mathematics Extension 1 | 46 |
| 16 | Penrith High School | Penrith | Mathematics Extension 1 | 45 |
| 17 | Chatswood High School | Chatswood | Mathematics Extension 1 | 44 |
| 18 | Abbotsleigh | Wahroonga | Mathematics Extension 1 | 41 |
| 19 | Meriden School | Strathfield | Mathematics Extension 1 | 41 |
| 20 | Caringbah High School | Caringbah | Mathematics Extension 1 | 38 |
| 21 | Pymble Ladies College | Pymble | Mathematics Extension 1 | 38 |
| 22 | The Kings School | North Parramatta | Mathematics Extension 1 | 38 |
| 23 | Sefton High School | Sefton | Mathematics Extension 1 | 37 |
| 24 | Merewether High School | Broadmeadow | Mathematics Extension 1 | 36 |
| 25 | SHORE Sydney Church of England Grammar School | North Sydney | Mathematics Extension 1 | 36 |
| 26 | Hornsby Girls High School | Hornsby | Mathematics Extension 1 | 35 |
| 27 | Carlingford High School | Carlingford | Mathematics Extension 1 | 31 |
| 28 | Parramatta High School | Parramatta | Mathematics Extension 1 | 31 |
| 29 | Northern Beaches Secondary College Manly Campus | North Curl Curl | Mathematics Extension 1 | 28 |
| 30 | Gosford High School | Gosford | Mathematics Extension 1 | 27 |
| 31 | Epping Boys High School | Eastwood | Mathematics Extension 1 | 26 |
| 32 | St George Girls High School | Kogarah | Mathematics Extension 1 | 26 |
| 33 | The Scots College | Bellevue Hill | Mathematics Extension 1 | 26 |
| 34 | Cherrybrook Technology High School | Cherrybrook | Mathematics Extension 1 | 25 |
| 35 | Presbyterian Ladies College Sydney | Croydon | Mathematics Extension 1 | 25 |
| 36 | Reddam House Bondi Campus | North Bondi | Mathematics Extension 1 | 24 |
| 37 | Killara High School | Killara | Mathematics Extension 1 | 22 |
| 38 | Oakhill College | Castle Hill | Mathematics Extension 1 | 21 |
| 39 | Smiths Hill High School | Wollongong | Mathematics Extension 1 | 20 |
| 40 | Trinity Grammar School | Summer Hill | Mathematics Extension 1 | 19 |
| 41 | Prairiewood High School | Prairiewood | Mathematics Extension 1 | 18 |
| 42 | Parramatta Marist High School | Westmead | Mathematics Extension 1 | 17 |
| 43 | St Patricks College Strathfield | Strathfield | Mathematics Extension 1 | 17 |
| 44 | Burwood Girls High School | Croydon | Mathematics Extension 1 | 16 |
| 45 | Castle Hill High School | Castle Hill | Mathematics Extension 1 | 16 |
| 46 | Newington College | Stanmore | Mathematics Extension 1 | 16 |
| 47 | SCEGGS Darlinghurst | Darlinghurst | Mathematics Extension 1 | 16 |
| 48 | St Ignatius College | Lane Cove | Mathematics Extension 1 | 16 |
| 49 | Cheltenham Girls High School | Beecroft | Mathematics Extension 1 | 15 |
| 50 | Cranbrook School | Bellevue Hill | Mathematics Extension 1 | 15 |
Source: NSW Education Standards Authority (NESA).
Supplementary data from school publications.
Supplementary data from school publications.
Last Updated: 1 May 2026