| 301 | St Spyridon College Senior School | Maroubra | Mathematics Extension 1 | 1 |
| 302 | St Ursulas College | Kingsgrove | Mathematics Extension 1 | 4 |
| 303 | St Vincents College | Potts Point | Mathematics Extension 1 | 1 |
| 304 | Stella Maris College | Manly | Mathematics Extension 1 | 4 |
| 305 | Strathfield Girls High School | Strathfield | Mathematics Extension 1 | 17 |
| 306 | Sydney Boys High School | Moore Park | Mathematics Extension 1 | 109 |
| 307 | Sydney Distance Education High School | Woolloomooloo | Mathematics Extension 1 | 1 |
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| 308 | Sydney Girls High School | Surry Hills | Mathematics Extension 1 | 53 |
| 309 | Sydney Grammar School | Darlinghurst | Mathematics Extension 1 | 63 |
| 310 | Sydney Institute Randwick College | Randwick | Mathematics Extension 1 | 2 |
| 311 | Sydney Secondary College Blackwattle Bay Campus | Glebe | Mathematics Extension 1 | 17 |
| 312 | Sydney Technical High School | Bexley | Mathematics Extension 1 | 63 |
| 313 | Tangara School for Girls | Cherrybrook | Mathematics Extension 1 | 2 |
| 314 | Tara Anglican School for Girls | North Parramatta | Mathematics Extension 1 | 4 |
| 315 | Taylors College | Waterloo | Mathematics Extension 1 | 1 |
| 316 | Tempe High School | Tempe | Mathematics Extension 1 | 14 |
| 317 | The Armidale School | Armidale | Mathematics Extension 1 | 2 |
| 318 | The Forest High School | Frenchs Forest | Mathematics Extension 1 | 1 |
| 319 | The Hills Grammar School | Kenthurst | Mathematics Extension 1 | 10 |
| 320 | The Illawarra Grammar School | Wollongong | Mathematics Extension 1 | 4 |
| 321 | The Kings School | North Parramatta | Mathematics Extension 1 | 29 |
| 322 | The Scots College | Bellevue Hill | Mathematics Extension 1 | 30 |
| 323 | The Scots School Albury | Albury | Mathematics Extension 1 | 2 |
| 324 | Thomas Hassall Anglican College | Middleton Grange | Mathematics Extension 1 | 8 |
| 325 | Toongabbie Christian College | Toongabbie | Mathematics Extension 1 | 2 |
| 326 | Trinity Catholic College Auburn Campus | Auburn | Mathematics Extension 1 | 8 |
| 327 | Trinity Grammar School | Summer Hill | Mathematics Extension 1 | 5 |
| 328 | Turramurra High School | South Turramurra | Mathematics Extension 1 | 13 |
| 329 | Wagga Wagga High School | Wagga Wagga | Mathematics Extension 1 | 1 |
| 330 | Waverley College | Waverley | Mathematics Extension 1 | 4 |
| 331 | Wenona School | North Sydney | Mathematics Extension 1 | 11 |
| 332 | Westfields Sports High School | Fairfield West | Mathematics Extension 1 | 6 |
| 333 | Whitebridge High School | Whitebridge | Mathematics Extension 1 | 2 |
| 334 | William Carey Christian School | Prestons | Mathematics Extension 1 | 1 |
| 335 | William Clarke College | Kellyville | Mathematics Extension 1 | 5 |
| 336 | Willoughby Girls High School | Willoughby | Mathematics Extension 1 | 14 |
| 337 | Winmalee High School | Winmalee | Mathematics Extension 1 | 2 |
| 338 | Woolooware High School | Woolooware | Mathematics Extension 1 | 1 |
| 339 | Wyndham College | Quakers Hill | Mathematics Extension 1 | 4 |
Source: NSW Education Standards Authority (NESA).
Supplementary data from school publications.
Supplementary data from school publications.
Last Updated: 14 Feb 2023