| 251 | Picton High School | Picton | Mathematics Extension 1 | 1 |
| 252 | Pittwater High School | Mona Vale | Mathematics Extension 1 | 2 |
| 253 | Pittwater House Schools | Collaroy | Mathematics Extension 1 | 3 |
| 254 | PLC Armidale | Armidale | Mathematics Extension 1 | 2 |
| 255 | Plumpton High School | Plumpton | Mathematics Extension 1 | 1 |
| 256 | Port Hacking High School | Miranda | Mathematics Extension 1 | 2 |
| 257 | Port Macquarie High School | Port Macquarie | Mathematics Extension 1 | 2 |
| 258 | Prairiewood High School | Prairiewood | Mathematics Extension 1 | 7 |
| 259 | Presbyterian Ladies College Sydney | Croydon | Mathematics Extension 1 | 12 |
| 260 | Pymble Ladies College | Pymble | Mathematics Extension 1 | 41 |
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| 261 | Queenwood School for Girls | Mosman | Mathematics Extension 1 | 2 |
| 262 | Quirindi High School | Quirindi | Mathematics Extension 1 | 1 |
| 263 | Randwick Boys High School | Randwick | Mathematics Extension 1 | 13 |
| 264 | Randwick Girls High School | Randwick | Mathematics Extension 1 | 3 |
| 265 | Ravenswood School for Girls | Gordon | Mathematics Extension 1 | 9 |
| 266 | Reddam House Bondi Campus | North Bondi | Mathematics Extension 1 | 15 |
| 267 | Redeemer Baptist School | North Parramatta | Mathematics Extension 1 | 5 |
| 268 | Redfield College | Dural | Mathematics Extension 1 | 3 |
| 269 | Regents Park Christian School | Regents Park | Mathematics Extension 1 | 3 |
| 270 | Riverside Girls High School | Gladesville | Mathematics Extension 1 | 9 |
| 271 | Robert Townson High School | Raby | Mathematics Extension 1 | 1 |
| 272 | Rose Bay Secondary College | Dover Heights | Mathematics Extension 1 | 4 |
| 273 | Rosebank College | Five Dock | Mathematics Extension 1 | 2 |
| 274 | Roseville College | Roseville | Mathematics Extension 1 | 4 |
| 275 | Rouse Hill Anglican College | Rouse Hill | Mathematics Extension 1 | 1 |
| 276 | Ryde Secondary College | Ryde | Mathematics Extension 1 | 14 |
| 277 | Santa Sabina College | Strathfield | Mathematics Extension 1 | 9 |
| 278 | SCECGS Redlands | Cremorne | Mathematics Extension 1 | 8 |
| 279 | SCEGGS Darlinghurst | Darlinghurst | Mathematics Extension 1 | 13 |
| 280 | Scone High School | Scone | Mathematics Extension 1 | 2 |
| 281 | Sefton High School | Sefton | Mathematics Extension 1 | 48 |
| 282 | Self-Tuition Students | N/A | Mathematics Extension 1 | 2 |
| 283 | Shoalhaven High School | Nowra | Mathematics Extension 1 | 2 |
| 284 | SHORE Sydney Church of England Grammar School | North Sydney | Mathematics Extension 1 | 19 |
| 285 | Smiths Hill High School | Wollongong | Mathematics Extension 1 | 22 |
| 286 | South Grafton High School | South Grafton | Mathematics Extension 1 | 1 |
| 287 | South Sydney High School | Maroubra | Mathematics Extension 1 | 1 |
| 288 | South Western Sydney Institute Liverpool Campus | Liverpool | Mathematics Extension 1 | 1 |
| 289 | Southern Cross High School | Sydney | Mathematics Extension 1 | 1 |
| 290 | Springwood High School | Springwood | Mathematics Extension 1 | 1 |
| 291 | St Aloysius College | Milsons Point | Mathematics Extension 1 | 20 |
| 292 | St Andrews Cathedral School | Sydney | Mathematics Extension 1 | 10 |
| 293 | St Augustines College | Brookvale | Mathematics Extension 1 | 2 |
| 294 | St Bishoy Coptic Orthodox College | Mount Druitt | Mathematics Extension 1 | 4 |
| 295 | St Catherines School | Waverley | Mathematics Extension 1 | 9 |
| 296 | St Charbels College | Punchbowl | Mathematics Extension 1 | 5 |
| 297 | St Clares College | Waverley | Mathematics Extension 1 | 1 |
| 298 | St Clares High School | Taree | Mathematics Extension 1 | 1 |
| 299 | St Columba Anglican School | Port Macquarie | Mathematics Extension 1 | 4 |
| 300 | St Columbas Catholic College | Springwood | Mathematics Extension 1 | 4 |
Source: NSW Education Standards Authority (NESA).
Supplementary data from school publications.
Supplementary data from school publications.
Last Updated: 17 Feb 2023