| 251 | SCEGGS Darlinghurst | Darlinghurst | Mathematics Extension 1 | 11 |
| 252 | Sefton High School | Sefton | Mathematics Extension 1 | 43 |
| 253 | Shellharbour Anglican College | Dunmore | Mathematics Extension 1 | 1 |
| 254 | SHORE Sydney Church of England Grammar School | North Sydney | Mathematics Extension 1 | 21 |
| 255 | Smiths Hill High School | Wollongong | Mathematics Extension 1 | 16 |
| 256 | South Sydney High School | Maroubra | Mathematics Extension 1 | 1 |
| 257 | South Western Sydney Institute Bankstown Campus | Bankstown | Mathematics Extension 1 | 1 |
| 258 | St Aloysius College | Milsons Point | Mathematics Extension 1 | 19 |
| 259 | St Andrews Cathedral School | Sydney | Mathematics Extension 1 | 2 |
| 260 | St Andrews College Senior Campus | Marayong | Mathematics Extension 1 | 5 |
| 261 | St Augustines College | Brookvale | Mathematics Extension 1 | 11 |
| 262 | St Bishoy Coptic Orthodox College | Mount Druitt | Mathematics Extension 1 | 1 |
| 263 | St Catherines School | Waverley | Mathematics Extension 1 | 12 |
| 264 | St Charbels College | Punchbowl | Mathematics Extension 1 | 1 |
| 265 | St Clares High School | Taree | Mathematics Extension 1 | 2 |
| 266 | St Columba Anglican School | Port Macquarie | Mathematics Extension 1 | 1 |
| 267 | St Dominics College | Kingswood | Mathematics Extension 1 | 2 |
| 268 | St Edwards Christian Brothers College | East Gosford | Mathematics Extension 1 | 1 |
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| 269 | St Francis Xaviers College | Hamilton | Mathematics Extension 1 | 4 |
| 270 | St George Christian School | Hurstville | Mathematics Extension 1 | 3 |
| 271 | St George Girls High School | Kogarah | Mathematics Extension 1 | 49 |
| 272 | St Gregorys College Campbelltown | Gregory Hills | Mathematics Extension 1 | 4 |
| 273 | St Ignatius College | Lane Cove | Mathematics Extension 1 | 17 |
| 274 | St Ives High School | St Ives | Mathematics Extension 1 | 11 |
| 275 | St John Bosco College | Engadine | Mathematics Extension 1 | 3 |
| 276 | St John Paul College | Coffs Harbour | Mathematics Extension 1 | 3 |
| 277 | St John Paul II Catholic College Nirimba | Nirimba Fields | Mathematics Extension 1 | 2 |
| 278 | St John The Evangelist Catholic High School | Nowra | Mathematics Extension 1 | 1 |
| 279 | St Johns College | ? | Mathematics Extension 1 | 3 |
| 280 | St Johns Park High School | St Johns Park | Mathematics Extension 1 | 10 |
| 281 | St Josephs Catholic College | East Gosford | Mathematics Extension 1 | 1 |
| 282 | St Josephs College | ? | Mathematics Extension 1 | 17 |
| 283 | St Josephs Regional College | Port Macquarie | Mathematics Extension 1 | 2 |
| 284 | St Leos Catholic College | Wahroonga | Mathematics Extension 1 | 4 |
| 285 | St Lukes Grammar School | Dee Why | Mathematics Extension 1 | 4 |
| 286 | St Marks Catholic College | Stanhope Gardens | Mathematics Extension 1 | 1 |
| 287 | St Marks Coptic Orthodox College | Wattle Grove | Mathematics Extension 1 | 13 |
| 288 | St Mary and St Minas Coptic Orthodox College | Rockdale | Mathematics Extension 1 | 7 |
| 289 | St Mary Star of the Sea College | Wollongong | Mathematics Extension 1 | 2 |
| 290 | St Marys Cathedral College | Sydney | Mathematics Extension 1 | 9 |
| 291 | St Marys Catholic College Casino | Casino | Mathematics Extension 1 | 1 |
| 292 | St Marys Senior High School | St Marys | Mathematics Extension 1 | 7 |
| 293 | St Patricks College Strathfield | Strathfield | Mathematics Extension 1 | 5 |
| 294 | St Patricks College Sutherland | Sutherland | Mathematics Extension 1 | 8 |
| 295 | St Patricks Marist College | Dundas | Mathematics Extension 1 | 9 |
| 296 | St Pauls Catholic College | ? | Mathematics Extension 1 | 7 |
| 297 | St Philips Christian College Port Stephens | Salamander Bay | Mathematics Extension 1 | 2 |
| 298 | St Pius X College | Chatswood | Mathematics Extension 1 | 15 |
| 299 | St Scholasticas College Glebe Point | Glebe Point | Mathematics Extension 1 | 2 |
| 300 | Stella Maris College | Manly | Mathematics Extension 1 | 5 |
| 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