| 301 | St Edwards Christian Brothers College | East Gosford | Mathematics Extension 1 | 2 |
| 302 | St Francis De Sales Regional College | Leeton | Mathematics Extension 1 | 2 |
| 303 | St Francis Xaviers College | Hamilton | Mathematics Extension 1 | 6 |
| 304 | St George Christian School | Hurstville | Mathematics Extension 1 | 2 |
| 305 | St George Girls High School | Kogarah | Mathematics Extension 1 | 57 |
| 306 | St Gregorys College Campbelltown | Gregory Hills | Mathematics Extension 1 | 7 |
| 307 | St Ignatius College | Lane Cove | Mathematics Extension 1 | 20 |
| 308 | St Ives High School | St Ives | Mathematics Extension 1 | 8 |
| 309 | St James College | Redfern | Mathematics Extension 1 | 1 |
| 310 | St John Bosco College | Engadine | Mathematics Extension 1 | 6 |
| |
||||
| 311 | St John Paul College | Coffs Harbour | Mathematics Extension 1 | 1 |
| 312 | St John Paul II Catholic College Nirimba | Quakers Hill | Mathematics Extension 1 | 2 |
| 313 | St John The Evangelist Catholic High School | Nowra | Mathematics Extension 1 | 2 |
| 314 | St Johns College | ? | Mathematics Extension 1 | 5 |
| 315 | St Johns Park High School | St Johns Park | Mathematics Extension 1 | 9 |
| 316 | St Josephs Catholic College | East Gosford | Mathematics Extension 1 | 2 |
| 317 | St Josephs Catholic High School | Albion Park | Mathematics Extension 1 | 1 |
| 318 | St Josephs College | ? | Mathematics Extension 1 | 21 |
| 319 | St Leos Catholic College | Wahroonga | Mathematics Extension 1 | 3 |
| 320 | St Lukes Grammar School | Dee Why | Mathematics Extension 1 | 9 |
| 321 | St Marks Coptic Orthodox College | Wattle Grove | Mathematics Extension 1 | 28 |
| 322 | St Mary and St Minas Coptic Orthodox College | Rockdale | Mathematics Extension 1 | 9 |
| 323 | St Mary Star of the Sea College | Wollongong | Mathematics Extension 1 | 2 |
| 324 | St Marys Cathedral College | Sydney | Mathematics Extension 1 | 9 |
| 325 | St Marys Senior High School | St Marys | Mathematics Extension 1 | 15 |
| 326 | St Patricks College Strathfield | Strathfield | Mathematics Extension 1 | 6 |
| 327 | St Patricks College Sutherland | Sutherland | Mathematics Extension 1 | 7 |
| 328 | St Patricks Marist College | Dundas | Mathematics Extension 1 | 8 |
| 329 | St Pauls Catholic College | ? | Mathematics Extension 1 | 9 |
| 330 | St Pauls Grammar School | Cranebrook | Mathematics Extension 1 | 1 |
| 331 | St Pauls High School | Booragul | Mathematics Extension 1 | 6 |
| 332 | St Pauls International College | Moss Vale | Mathematics Extension 1 | 3 |
| 333 | St Peters Catholic College | Tuggerah | Mathematics Extension 1 | 4 |
| 334 | St Philips Christian College Newcastle | Waratah | Mathematics Extension 1 | 5 |
| 335 | St Pius X College | Chatswood | Mathematics Extension 1 | 10 |
| 336 | St Scholasticas College Glebe Point | Glebe Point | Mathematics Extension 1 | 2 |
| 337 | St Spyridon College Senior School | Maroubra | Mathematics Extension 1 | 1 |
| 338 | St Stanislaus College | Bathurst | Mathematics Extension 1 | 4 |
| 339 | St Ursulas College | Kingsgrove | Mathematics Extension 1 | 3 |
| 340 | St Vincents College | Potts Point | Mathematics Extension 1 | 1 |
| 341 | Stella Maris College | Manly | Mathematics Extension 1 | 9 |
| 342 | Strathfield Girls High School | Strathfield | Mathematics Extension 1 | 22 |
| 343 | Strathfield South High School | Enfield | Mathematics Extension 1 | 5 |
| 344 | Sule College Prestons | Prestons | Mathematics Extension 1 | 8 |
| 345 | Sutherland Shire Christian School | Barden Ridge | Mathematics Extension 1 | 1 |
| 346 | Sydney Adventist College | Strathfield | Mathematics Extension 1 | 4 |
| 347 | Sydney Boys High School | Moore Park | Mathematics Extension 1 | 98 |
| 348 | Sydney Girls High School | Surry Hills | Mathematics Extension 1 | 74 |
| 349 | Sydney Grammar School | Darlinghurst | Mathematics Extension 1 | 84 |
| 350 | Sydney Institute Ultimo Campus | Ultimo | Mathematics Extension 1 | 2 |
Source: NSW Education Standards Authority (NESA).
Supplementary data from school publications.
Supplementary data from school publications.
Last Updated: 17 Feb 2023