| 51 | Girraween High School | Girraween | Mathematics Extension 2 | 14 |
| 52 | Gosford High School | Gosford | Mathematics Extension 2 | 11 |
| 53 | Holy Spirit College | ? | Mathematics Extension 2 | 2 |
| 54 | Homebush Boys High School | Homebush | Mathematics Extension 2 | 7 |
| 55 | Hornsby Girls High School | Hornsby | Mathematics Extension 2 | 12 |
| 56 | Hunter School of Performing Arts | Broadmeadow | Mathematics Extension 2 | 1 |
| 57 | Hunters Hill High School | Hunters Hill | Mathematics Extension 2 | 1 |
| 58 | Hurlstone Agricultural High School | Glenfield | Mathematics Extension 2 | 13 |
| 59 | Illawarra Christian School Tongarra Campus | Albion Park | Mathematics Extension 2 | 1 |
| 60 | International Grammar School | Ultimo | Mathematics Extension 2 | 1 |
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| 61 | INTI International College Penang | Malaysia | Mathematics Extension 2 | 3 |
| 62 | IPEKA Integrated Christian School | Jakarta, Indonesia | Mathematics Extension 2 | 1 |
| 63 | James Cook Boys High School | Kogarah | Mathematics Extension 2 | 1 |
| 64 | James Ruse Agricultural High School | Carlingford | Mathematics Extension 2 | 82 |
| 65 | Kambala | Rose Bay | Mathematics Extension 2 | 1 |
| 66 | Kellyville High School | Kellyville | Mathematics Extension 2 | 1 |
| 67 | Kildare Catholic College | Wagga Wagga | Mathematics Extension 2 | 1 |
| 68 | Killara High School | Killara | Mathematics Extension 2 | 10 |
| 69 | Killarney Heights High School | Killarney Heights | Mathematics Extension 2 | 5 |
| 70 | Kincoppal Rose Bay School of the Sacred Heart | Vaucluse | Mathematics Extension 2 | 3 |
| 71 | Kingsgrove High School | Kingsgrove | Mathematics Extension 2 | 3 |
| 72 | Kingsgrove North High School | Kingsgrove | Mathematics Extension 2 | 2 |
| 73 | Kinross Wolaroi School | Orange | Mathematics Extension 2 | 1 |
| 74 | Knox Grammar School | Wahroonga | Mathematics Extension 2 | 9 |
| 75 | Kogarah High School | Kogarah | Mathematics Extension 2 | 2 |
| 76 | Kooringal High School | Kooringal | Mathematics Extension 2 | 1 |
| 77 | Kurri Kurri High School | Kurri Kurri | Mathematics Extension 2 | 1 |
| 78 | Loreto Normanhurst | Normanhurst | Mathematics Extension 2 | 1 |
| 79 | Lumen Christi Catholic College | Pambula Beach | Mathematics Extension 2 | 1 |
| 80 | MacKillop College Port Macquarie | Port Macquarie | Mathematics Extension 2 | 1 |
| 81 | Macquarie Fields High School | Macquarie Fields | Mathematics Extension 2 | 1 |
| 82 | Maitland Grossmann High School | East Maitland | Mathematics Extension 2 | 1 |
| 83 | Malek Fahd Islamic School | Greenacre | Mathematics Extension 2 | 8 |
| 84 | Marcellin College | Randwick | Mathematics Extension 2 | 7 |
| 85 | Marist College Eastwood | Eastwood | Mathematics Extension 2 | 3 |
| 86 | Marist College North Shore | North Sydney | Mathematics Extension 2 | 1 |
| 87 | Marsden High School | Meadowbank | Mathematics Extension 2 | 1 |
| 88 | Masada College | St Ives | Mathematics Extension 2 | 7 |
| 89 | Merewether High School | Broadmeadow | Mathematics Extension 2 | 7 |
| 90 | Meriden School | Strathfield | Mathematics Extension 2 | 5 |
| 91 | Meridian College Pty Ltd | Surry Hills | Mathematics Extension 2 | 2 |
| 92 | Mitchell High School | Blacktown | Mathematics Extension 2 | 1 |
| 93 | MLC School | Burwood | Mathematics Extension 2 | 4 |
| 94 | Monte Sant Angelo Mercy College | North Sydney | Mathematics Extension 2 | 1 |
| 95 | Moriah College | Queens Park | Mathematics Extension 2 | 6 |
| 96 | Mullumbimby High School | Mullumbimby | Mathematics Extension 2 | 1 |
| 97 | Muswellbrook High School | Muswellbrook | Mathematics Extension 2 | 1 |
| 98 | Nambucca Heads High School | Nambucca Heads | Mathematics Extension 2 | 1 |
| 99 | Newcastle Grammar School | Newcastle | Mathematics Extension 2 | 3 |
| 100 | Newington College | Stanmore | Mathematics Extension 2 | 7 |
Source: NSW Education Standards Authority (NESA).
Supplementary data from school publications.
Supplementary data from school publications.
Last Updated: 22 Feb 2021