| 301 | St Francis Xaviers College | Hamilton | Mathematics | 10 |
| 302 | St George Christian School | Hurstville | Mathematics | 4 |
| 303 | St George Girls High School | Kogarah | Mathematics | 37 |
| 304 | St Gregorys College Campbelltown | Gregory Hills | Mathematics | 2 |
| 305 | St Ignatius College | Lane Cove | Mathematics | 43 |
| 306 | St Ives High School | St Ives | Mathematics | 1 |
| 307 | St John Bosco College | Engadine | Mathematics | 5 |
| 308 | St John Paul College | Coffs Harbour | Mathematics | 5 |
| 309 | St John The Evangelist Catholic High School | Nowra | Mathematics | 2 |
| 310 | St Johns College | ? | Mathematics | 2 |
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| 311 | St Johns Park High School | St Johns Park | Mathematics | 6 |
| 312 | St Josephs Catholic College | East Gosford | Mathematics | 3 |
| 313 | St Josephs Catholic High School | Albion Park | Mathematics | 2 |
| 314 | St Josephs College | ? | Mathematics | 20 |
| 315 | St Josephs Regional College | Port Macquarie | Mathematics | 2 |
| 316 | St Leos Catholic College | Wahroonga | Mathematics | 2 |
| 317 | St Lukes Grammar School | Dee Why | Mathematics | 13 |
| 318 | St Marks Coptic Orthodox College | Wattle Grove | Mathematics | 12 |
| 319 | St Mary Star of the Sea College | Wollongong | Mathematics | 3 |
| 320 | St Marys Cathedral College | Sydney | Mathematics | 13 |
| 321 | St Marys College | Gunnedah | Mathematics | 2 |
| 322 | St Marys Senior High School | St Marys | Mathematics | 18 |
| 323 | St Patricks College Strathfield | Strathfield | Mathematics | 17 |
| 324 | St Patricks College Sutherland | Sutherland | Mathematics | 8 |
| 325 | St Patricks Marist College | Dundas | Mathematics | 12 |
| 326 | St Pauls Catholic College | ? | Mathematics | 12 |
| 327 | St Pauls High School | Booragul | Mathematics | 1 |
| 328 | St Pauls International College | Moss Vale | Mathematics | 1 |
| 329 | St Peters Anglican College | Broulee | Mathematics | 1 |
| 330 | St Philips Christian College Newcastle | Waratah | Mathematics | 7 |
| 331 | St Philips Christian College Port Stephens | Salamander Bay | Mathematics | 3 |
| 332 | St Pius X College | Chatswood | Mathematics | 15 |
| 333 | St Scholasticas College Glebe Point | Glebe Point | Mathematics | 5 |
| 334 | St Spyridon College Senior School | Maroubra | Mathematics | 2 |
| 335 | St Stanislaus College | Bathurst | Mathematics | 3 |
| 336 | St Ursulas College | Kingsgrove | Mathematics | 6 |
| 337 | St Vincents College | Potts Point | Mathematics | 2 |
| 338 | Stella Maris College | Manly | Mathematics | 9 |
| 339 | Strathfield Girls High School | Strathfield | Mathematics | 8 |
| 340 | Strathfield South High School | Enfield | Mathematics | 2 |
| 341 | Sule College Prestons | Prestons | Mathematics | 12 |
| 342 | Sutherland Shire Christian School | Barden Ridge | Mathematics | 3 |
| 343 | Sydney Adventist College | Strathfield | Mathematics | 3 |
| 344 | Sydney Boys High School | Moore Park | Mathematics | 106 |
| 345 | Sydney Distance Education High School | Woolloomooloo | Mathematics | 1 |
| 346 | Sydney Girls High School | Surry Hills | Mathematics | 27 |
| 347 | Sydney Grammar School | Darlinghurst | Mathematics | 19 |
| 348 | Sydney Secondary College Blackwattle Bay Campus | Glebe | Mathematics | 18 |
| 349 | Sydney Technical High School | Bexley | Mathematics | 29 |
| 350 | Sylvania High School | Sylvania | Mathematics | 3 |
Source: NSW Education Standards Authority (NESA).
Supplementary data from school publications.
Supplementary data from school publications.
Last Updated: 14 Feb 2023