| 321 | Murray High School | Lavington | Mathematics Extension 1 | 1 |
| 322 | Northern Beaches Christian School | Terrey Hills | Mathematics Extension 1 | 1 |
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| 323 | Northern Beaches Secondary College Balgowlah Boys Campus | Balgowlah | Mathematics Extension 1 | 1 |
| 324 | Northern Beaches Secondary College Cromer Campus | Cromer | Mathematics Extension 1 | 1 |
| 325 | Northern Beaches Secondary College Mackellar Girls Campus | Manly Vale | Mathematics Extension 1 | 1 |
| 326 | Northern Sydney Institute Bradfield College | St Leonards | Mathematics Extension 1 | 1 |
| 327 | Northern Sydney Institute Northern Beaches Campus | Brookvale | Mathematics Extension 1 | 1 |
| 328 | Northholm Grammar School | Arcadia | Mathematics Extension 1 | 1 |
| 329 | Northmead Creative and Performing Arts High School | Northmead | Mathematics Extension 1 | 1 |
| 330 | Nowra High School | Nowra | Mathematics Extension 1 | 1 |
Source: NSW Education Standards Authority (NESA).
Supplementary data from school publications.
Supplementary data from school publications.
Last Updated: 27 Jan 2021