| 251 | Calrossy Anglican School | Tamworth | Mathematics Extension 1 | 1 |
| 252 | Canterbury Girls High School | Canterbury | Mathematics Extension 1 | 1 |
| 253 | Carroll College | Broulee | Mathematics Extension 1 | 1 |
| 254 | Casimir Catholic College | Marrickville | Mathematics Extension 1 | 1 |
| 255 | Cedars Christian College | Farmborough Heights | Mathematics Extension 1 | 1 |
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| 256 | Central Coast Adventist School | Erina | Mathematics Extension 1 | 1 |
| 257 | Cerdon College | Merrylands | Mathematics Extension 1 | 1 |
| 258 | Coffs Harbour Senior College | Coffs Harbour | Mathematics Extension 1 | 1 |
| 259 | Condell Park High School | Condell Park | Mathematics Extension 1 | 1 |
| 260 | Cumberland High School | Carlingford | Mathematics Extension 1 | 1 |
| 261 | De La Salle College Revesby Heights | Revesby Heights | Mathematics Extension 1 | 1 |
| 262 | Delany College | Granville | Mathematics Extension 1 | 1 |
| 263 | Domremy College | Five Dock | Mathematics Extension 1 | 1 |
| 264 | Dubbo Christian School | Dubbo | Mathematics Extension 1 | 1 |
| 265 | Dungog High School | Dungog | Mathematics Extension 1 | 1 |
| 266 | Fairfield High School | Fairfield | Mathematics Extension 1 | 1 |
| 267 | Finigan School of Distance Education | Queanbeyan | Mathematics Extension 1 | 1 |
| 268 | Georges River Grammar | Georges Hall | Mathematics Extension 1 | 1 |
| 269 | Good Samaritan Catholic College | Hinchinbrook | Mathematics Extension 1 | 1 |
| 270 | Gorokan High School | Gorokan | Mathematics Extension 1 | 1 |
| 271 | Green Point Christian College | Green Point | Mathematics Extension 1 | 1 |
| 272 | Gymea Technology High School | Gymea | Mathematics Extension 1 | 1 |
| 273 | Hastings Secondary College Port Macquarie Campus | Port Macquarie | Mathematics Extension 1 | 1 |
| 274 | Henry Kendall High School | Gosford | Mathematics Extension 1 | 1 |
| 275 | Holy Spirit Catholic College Lakemba | Lakemba | Mathematics Extension 1 | 1 |
Source: NSW Education Standards Authority (NESA).
Supplementary data from school publications.
Supplementary data from school publications.
Last Updated: 6 Sep 2023