| 1 | Baulkham Hills High School | Baulkham Hills | Mathematics Extension 1 | 138 |
| 2 | James Ruse Agricultural High School | Carlingford | Mathematics Extension 1 | 132 |
| 3 | Sydney Boys High School | Moore Park | Mathematics Extension 1 | 116 |
| 4 | North Sydney Boys High School | Crows Nest | Mathematics Extension 1 | 105 |
| 5 | North Sydney Girls High School | Crows Nest | Mathematics Extension 1 | 93 |
| 6 | Sydney Technical High School | Bexley | Mathematics Extension 1 | 71 |
| 7 | Sydney Girls High School | Surry Hills | Mathematics Extension 1 | 64 |
| 8 | Sydney Grammar School | Darlinghurst | Mathematics Extension 1 | 64 |
| 9 | Fort Street High School | Petersham | Mathematics Extension 1 | 63 |
| 10 | Hurlstone Agricultural High School | Glenfield | Mathematics Extension 1 | 63 |
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| 11 | Normanhurst Boys High School | Normanhurst | Mathematics Extension 1 | 45 |
| 12 | Girraween High School | Girraween | Mathematics Extension 1 | 43 |
| 13 | Northern Beaches Secondary College Manly Campus | North Curl Curl | Mathematics Extension 1 | 41 |
| 14 | St George Girls High School | Kogarah | Mathematics Extension 1 | 40 |
| 15 | Hornsby Girls High School | Hornsby | Mathematics Extension 1 | 35 |
| 16 | Gosford High School | Gosford | Mathematics Extension 1 | 34 |
| 17 | Cherrybrook Technology High School | Cherrybrook | Mathematics Extension 1 | 31 |
| 18 | Cranbrook School | Bellevue Hill | Mathematics Extension 1 | 31 |
| 19 | Penrith High School | Penrith | Mathematics Extension 1 | 31 |
| 20 | The Kings School | North Parramatta | Mathematics Extension 1 | 30 |
| 21 | Sefton High School | Sefton | Mathematics Extension 1 | 29 |
| 22 | Caringbah High School | Caringbah | Mathematics Extension 1 | 28 |
| 23 | Pymble Ladies College | Pymble | Mathematics Extension 1 | 27 |
| 24 | Canley Vale High School | Canley Vale | Mathematics Extension 1 | 25 |
| 25 | Carlingford High School | Carlingford | Mathematics Extension 1 | 25 |
| 26 | Killara High School | Killara | Mathematics Extension 1 | 25 |
| 27 | The Scots College | Bellevue Hill | Mathematics Extension 1 | 25 |
| 28 | Knox Grammar School | Wahroonga | Mathematics Extension 1 | 24 |
| 29 | Macquarie Fields High School | Macquarie Fields | Mathematics Extension 1 | 21 |
| 30 | Barker College | Hornsby | Mathematics Extension 1 | 20 |
| 31 | Homebush Boys High School | Homebush | Mathematics Extension 1 | 20 |
| 32 | Presbyterian Ladies College Sydney | Croydon | Mathematics Extension 1 | 20 |
| 33 | SHORE Sydney Church of England Grammar School | North Sydney | Mathematics Extension 1 | 19 |
| 34 | Cheltenham Girls High School | Beecroft | Mathematics Extension 1 | 18 |
| 35 | St Aloysius College | Milsons Point | Mathematics Extension 1 | 18 |
| 36 | Ascham School | Edgecliff | Mathematics Extension 1 | 17 |
| 37 | Epping Boys High School | Eastwood | Mathematics Extension 1 | 17 |
| 38 | Moriah College | Queens Park | Mathematics Extension 1 | 17 |
| 39 | Newington College | Stanmore | Mathematics Extension 1 | 17 |
| 40 | Abbotsleigh | Wahroonga | Mathematics Extension 1 | 16 |
| 41 | Parramatta Marist High School | Westmead | Mathematics Extension 1 | 16 |
| 42 | St Ignatius College | Lane Cove | Mathematics Extension 1 | 16 |
| 43 | Trinity Grammar School | Summer Hill | Mathematics Extension 1 | 16 |
| 44 | Turramurra High School | South Turramurra | Mathematics Extension 1 | 16 |
| 45 | Alpha Omega Senior College | Auburn | Mathematics Extension 1 | 15 |
| 46 | Meriden School | Strathfield | Mathematics Extension 1 | 15 |
| 47 | Oakhill College | Castle Hill | Mathematics Extension 1 | 15 |
| 48 | Randwick Girls High School | Randwick | Mathematics Extension 1 | 15 |
| 49 | Burwood Girls High School | Croydon | Mathematics Extension 1 | 14 |
| 50 | Canberra Grammar School | Red Hill, ACT | Mathematics Extension 1 | 14 |
Source: NSW Education Standards Authority (NESA).
Supplementary data from school publications.
Supplementary data from school publications.
Last Updated: 14 Feb 2023