| 251 | Patrician Brothers College Fairfield | Fairfield | Mathematics Advanced | 4 |
| 252 | Pennant Hills High School | Pennant Hills | Mathematics Advanced | 13 |
| 253 | Penrith High School | Penrith | Mathematics Advanced | 54 |
| 254 | Picnic Point High School | Picnic Point | Mathematics Advanced | 1 |
| 255 | Pittwater High School | Mona Vale | Mathematics Advanced | 1 |
| 256 | Pittwater House Schools | Collaroy | Mathematics Advanced | 10 |
| 257 | PLC Armidale | Armidale | Mathematics Advanced | 3 |
| 258 | Plumpton High School | Plumpton | Mathematics Advanced | 1 |
| 259 | Port Hacking High School | Miranda | Mathematics Advanced | 1 |
| 260 | Prairiewood High School | Prairiewood | Mathematics Advanced | 23 |
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| 261 | Presbyterian Ladies College Sydney | Croydon | Mathematics Advanced | 39 |
| 262 | Pymble Ladies College | Pymble | Mathematics Advanced | 58 |
| 263 | Quakers Hill High School | Quakers Hill | Mathematics Advanced | 3 |
| 264 | Queenwood School for Girls | Mosman | Mathematics Advanced | 12 |
| 265 | Randwick Girls High School | Randwick | Mathematics Advanced | 2 |
| 266 | Ravenswood School for Girls | Gordon | Mathematics Advanced | 14 |
| 267 | Reddam House Bondi Campus | North Bondi | Mathematics Advanced | 59 |
| 268 | Redeemer Baptist School | North Parramatta | Mathematics Advanced | 4 |
| 269 | Redfield College | Dural | Mathematics Advanced | 3 |
| 270 | Regents Park Christian School | Regents Park | Mathematics Advanced | 3 |
| 271 | Richard Johnson Anglican College | Oakhurst | Mathematics Advanced | 1 |
| 272 | Rissalah College | Lakembah | Mathematics Advanced | 1 |
| 273 | Riverside Girls High School | Gladesville | Mathematics Advanced | 15 |
| 274 | Rose Bay Secondary College | Dover Heights | Mathematics Advanced | 15 |
| 275 | Rosebank College | Five Dock | Mathematics Advanced | 19 |
| 276 | Roseville College | Roseville | Mathematics Advanced | 19 |
| 277 | Rouse Hill Anglican College | Rouse Hill | Mathematics Advanced | 1 |
| 278 | Rouse Hill High School | Rouse Hill | Mathematics Advanced | 2 |
| 279 | Rutherford Technology High School | Rutherford | Mathematics Advanced | 1 |
| 280 | Ryde Secondary College | Ryde | Mathematics Advanced | 10 |
| 281 | Santa Sabina College | Strathfield | Mathematics Advanced | 17 |
| 282 | Santa Sophia Catholic College | Gables | Mathematics Advanced | 5 |
| 283 | Sapphire Coast Anglican College | Bega | Mathematics Advanced | 1 |
| 284 | SCECGS Redlands | Cremorne | Mathematics Advanced | 2 |
| 285 | SCEGGS Darlinghurst | Darlinghurst | Mathematics Advanced | 32 |
| 286 | Scots All Saints College | White Rock | Mathematics Advanced | 4 |
| 287 | Sefton High School | Sefton | Mathematics Advanced | 34 |
| 288 | Shire Christian School | Barden Ridge | Mathematics Advanced | 1 |
| 289 | SHORE Sydney Church of England Grammar School | North Sydney | Mathematics Advanced | 46 |
| 290 | Smiths Hill High School | Wollongong | Mathematics Advanced | 14 |
| 291 | Snowy Mountains Grammar School | Jindabyne | Mathematics Advanced | 1 |
| 292 | South Sydney High School | Maroubra | Mathematics Advanced | 3 |
| 293 | Springwood High School | Faulconbridge | Mathematics Advanced | 1 |
| 294 | St Aloysius College | Milsons Point | Mathematics Advanced | 60 |
| 295 | St Andrews Cathedral School | Sydney | Mathematics Advanced | 3 |
| 296 | St Andrews College Senior Campus | Marayong | Mathematics Advanced | 6 |
| 297 | St Augustines College | Brookvale | Mathematics Advanced | 25 |
| 298 | St Benedicts Catholic College | Oran Park | Mathematics Advanced | 5 |
| 299 | St Catherines School | Waverley | Mathematics Advanced | 21 |
| 300 | St Charbels College | Punchbowl | Mathematics Advanced | 3 |