| 301 | Strathfield Girls High School | Strathfield | Mathematics Extension 1 | 7 |
| 302 | Strathfield South High School | Enfield | Mathematics Extension 1 | 1 |
| 303 | Sutherland Shire Christian School | Barden Ridge | Mathematics Extension 1 | 2 |
| 304 | Sydney Boys High School | Moore Park | Mathematics Extension 1 | 108 |
| 305 | Sydney Girls High School | Surry Hills | Mathematics Extension 1 | 70 |
| 306 | Sydney Grammar School | Darlinghurst | Mathematics Extension 1 | 66 |
| 307 | Sydney Secondary College Blackwattle Bay Campus | Glebe | Mathematics Extension 1 | 18 |
| 308 | Sydney Technical High School | Bexley | Mathematics Extension 1 | 60 |
| |
||||
| 309 | Sylvania High School | Sylvania | Mathematics Extension 1 | 1 |
| 310 | Tangara School for Girls | Cherrybrook | Mathematics Extension 1 | 1 |
| 311 | Tara Anglican School for Girls | North Parramatta | Mathematics Extension 1 | 4 |
| 312 | Taylors College | Waterloo | Mathematics Extension 1 | 5 |
| 313 | Tempe High School | Tempe | Mathematics Extension 1 | 15 |
| 314 | The Armidale School | Armidale | Mathematics Extension 1 | 2 |
| 315 | The Forest High School | Frenchs Forest | Mathematics Extension 1 | 3 |
| 316 | The Henry Lawson High School | Grenfell | Mathematics Extension 1 | 1 |
| 317 | The Hills Grammar School | Kenthurst | Mathematics Extension 1 | 5 |
| 318 | The Kings School | North Parramatta | Mathematics Extension 1 | 31 |
| 319 | The Riverina Anglican College | Wagga Wagga | Mathematics Extension 1 | 2 |
| 320 | The Rivers Secondary College Lismore High Campus | Lismore | Mathematics Extension 1 | 1 |
| 321 | The Scots College | Bellevue Hill | Mathematics Extension 1 | 26 |
| 322 | The Scots School | Bathurst | Mathematics Extension 1 | 1 |
| 323 | The Scots School Albury | Albury | Mathematics Extension 1 | 4 |
| 324 | Thomas Hassall Anglican College | Middleton Grange | Mathematics Extension 1 | 1 |
| 325 | Thomas Reddall High School | Ambarvale | Mathematics Extension 1 | 1 |
| 326 | Toongabbie Christian College | Toongabbie | Mathematics Extension 1 | 1 |
| 327 | Trinity Anglican College Albury | Thurgoona | Mathematics Extension 1 | 3 |
| 328 | Trinity Catholic College Auburn Campus | Auburn | Mathematics Extension 1 | 11 |
| 329 | Trinity Grammar School | Summer Hill | Mathematics Extension 1 | 12 |
| 330 | Turramurra High School | South Turramurra | Mathematics Extension 1 | 8 |
| 331 | Warners Bay High School | Warners Bay | Mathematics Extension 1 | 3 |
| 332 | Wauchope High School | Wauchope | Mathematics Extension 1 | 1 |
| 333 | Waverley College | Waverley | Mathematics Extension 1 | 4 |
| 334 | Wenona School | North Sydney | Mathematics Extension 1 | 3 |
| 335 | West Wyalong High School | West Wyalong | Mathematics Extension 1 | 2 |
| 336 | Westfields Sports High School | Fairfield West | Mathematics Extension 1 | 10 |
| 337 | William Carey Christian School | Prestons | Mathematics Extension 1 | 1 |
| 338 | William Clarke College | Kellyville | Mathematics Extension 1 | 4 |
| 339 | Willoughby Girls High School | Willoughby | Mathematics Extension 1 | 4 |
| 340 | Winmalee High School | Winmalee | Mathematics Extension 1 | 1 |
| 341 | Wollemi College | Werrington | Mathematics Extension 1 | 1 |
| 342 | Wollongong High School of the Performing Arts | Fairy Meadow | Mathematics Extension 1 | 1 |
| 343 | Woolooware High School | Woolooware | Mathematics Extension 1 | 2 |
| 344 | Wyndham College | Quakers Hill | Mathematics Extension 1 | 2 |
Source: NSW Education Standards Authority (NESA).
Supplementary data from school publications.
Supplementary data from school publications.
Last Updated: 14 Feb 2023