| 1 | James Ruse Agricultural High School | Carlingford | Mathematics Extension 1 | 133 |
| 2 | Baulkham Hills High School | Baulkham Hills | Mathematics Extension 1 | 109 |
| 3 | Sydney Boys High School | Moore Park | Mathematics Extension 1 | 104 |
| 4 | North Sydney Girls High School | Crows Nest | Mathematics Extension 1 | 76 |
| 5 | North Sydney Boys High School | Crows Nest | Mathematics Extension 1 | 74 |
| 6 | Sydney Grammar School | Darlinghurst | Mathematics Extension 1 | 62 |
| 7 | Sydney Girls High School | Surry Hills | Mathematics Extension 1 | 60 |
| 8 | St George Girls High School | Kogarah | Mathematics Extension 1 | 59 |
| 9 | Girraween High School | Girraween | Mathematics Extension 1 | 53 |
| 10 | Sydney Technical High School | Bexley | Mathematics Extension 1 | 48 |
| 11 | Fort Street High School | Petersham | Mathematics Extension 1 | 47 |
| 12 | Hurlstone Agricultural High School | Glenfield | Mathematics Extension 1 | 47 |
| 13 | Hornsby Girls High School | Hornsby | Mathematics Extension 1 | 39 |
| 14 | Pymble Ladies College | Pymble | Mathematics Extension 1 | 35 |
| 15 | Sefton High School | Sefton | Mathematics Extension 1 | 35 |
| 16 | Gosford High School | Gosford | Mathematics Extension 1 | 32 |
| 17 | Knox Grammar School | Wahroonga | Mathematics Extension 1 | 32 |
| 18 | Normanhurst Boys High School | Normanhurst | Mathematics Extension 1 | 32 |
| 19 | Merewether High School | Broadmeadow | Mathematics Extension 1 | 31 |
| 20 | Northern Beaches Secondary College Manly Campus | North Curl Curl | Mathematics Extension 1 | 31 |
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| 21 | Caringbah High School | Caringbah | Mathematics Extension 1 | 28 |
| 22 | Killara High School | Killara | Mathematics Extension 1 | 28 |
| 23 | Ryde Secondary College | Ryde | Mathematics Extension 1 | 28 |
| 24 | Cheltenham Girls High School | Beecroft | Mathematics Extension 1 | 27 |
| 25 | Cherrybrook Technology High School | Cherrybrook | Mathematics Extension 1 | 27 |
| 26 | Taylors College | Waterloo | Mathematics Extension 1 | 26 |
| 27 | Moriah College | Queens Park | Mathematics Extension 1 | 25 |
| 28 | Penrith High School | Penrith | Mathematics Extension 1 | 24 |
| 29 | Carlingford High School | Carlingford | Mathematics Extension 1 | 23 |
| 30 | INTI International College Penang | Malaysia | Mathematics Extension 1 | 23 |
| 31 | St Ignatius College | Lane Cove | Mathematics Extension 1 | 23 |
| 32 | Barker College | Hornsby | Mathematics Extension 1 | 22 |
| 33 | Macquarie Fields High School | Macquarie Fields | Mathematics Extension 1 | 22 |
| 34 | SHORE Sydney Church of England Grammar School | North Sydney | Mathematics Extension 1 | 22 |
| 35 | Turramurra High School | South Turramurra | Mathematics Extension 1 | 22 |
| 36 | Malek Fahd Islamic School | Greenacre | Mathematics Extension 1 | 21 |
| 37 | Parramatta Marist High School | Westmead | Mathematics Extension 1 | 21 |
| 38 | Smiths Hill High School | Wollongong | Mathematics Extension 1 | 21 |
| 39 | Epping Boys High School | Eastwood | Mathematics Extension 1 | 19 |
| 40 | Canley Vale High School | Canley Vale | Mathematics Extension 1 | 18 |
| 41 | Chatswood High School | Chatswood | Mathematics Extension 1 | 18 |
| 42 | St Aloysius College | Milsons Point | Mathematics Extension 1 | 18 |
| 43 | St Josephs College | ? | Mathematics Extension 1 | 18 |
| 44 | Burwood Girls High School | Croydon | Mathematics Extension 1 | 17 |
| 45 | Newington College | Stanmore | Mathematics Extension 1 | 17 |
| 46 | Oakhill College | Castle Hill | Mathematics Extension 1 | 17 |
| 47 | The Scots College | Bellevue Hill | Mathematics Extension 1 | 16 |
| 48 | Abbotsleigh | Wahroonga | Mathematics Extension 1 | 15 |
| 49 | Reddam House Bondi Campus | North Bondi | Mathematics Extension 1 | 15 |
| 50 | St Marks Coptic Orthodox College | Wattle Grove | Mathematics Extension 1 | 15 |
| 51 | The Kings School | North Parramatta | Mathematics Extension 1 | 15 |
| 52 | Homebush Boys High School | Homebush | Mathematics Extension 1 | 14 |
| 53 | Ascham School | Edgecliff | Mathematics Extension 1 | 13 |
| 54 | Blakehurst High School | Blakehurst | Mathematics Extension 1 | 13 |
| 55 | IPEKA Integrated Christian School | Jakarta, Indonesia | Mathematics Extension 1 | 13 |
| 56 | Killarney Heights High School | Killarney Heights | Mathematics Extension 1 | 13 |
| 57 | Loreto Kirribilli | Kirribilli | Mathematics Extension 1 | 13 |
| 58 | MLC School | Burwood | Mathematics Extension 1 | 13 |
| 59 | St James College | Redfern | Mathematics Extension 1 | 13 |
| 60 | Pacific Hills Christian School | Dural | Mathematics Extension 1 | 12 |
| 61 | St Francis Xaviers College | Hamilton | Mathematics Extension 1 | 12 |
| 62 | St Ives High School | St Ives | Mathematics Extension 1 | 12 |
| 63 | Stella Maris College | Manly | Mathematics Extension 1 | 12 |
| 64 | Sydney Secondary College Blackwattle Bay Campus | Glebe | Mathematics Extension 1 | 12 |
| 65 | Georges River College Oatley Senior Campus | Oatley | Mathematics Extension 1 | 11 |
| 66 | Ravenswood School for Girls | Gordon | Mathematics Extension 1 | 11 |
| 67 | St Augustines College | Brookvale | Mathematics Extension 1 | 11 |
| 68 | Trinity Grammar School | Summer Hill | Mathematics Extension 1 | 11 |
| 69 | Ashfield Boys High School | Ashfield | Mathematics Extension 1 | 10 |
| 70 | Cranbrook School | Bellevue Hill | Mathematics Extension 1 | 10 |
| 71 | Masada College | St Ives | Mathematics Extension 1 | 10 |
| 72 | Patrician Brothers College Fairfield | Fairfield | Mathematics Extension 1 | 10 |
| 73 | SCEGGS Darlinghurst | Darlinghurst | Mathematics Extension 1 | 10 |
| 74 | St Lukes Grammar School | Dee Why | Mathematics Extension 1 | 10 |
| 75 | St Marys Senior High School | St Marys | Mathematics Extension 1 | 10 |
| 76 | Strathfield Girls High School | Strathfield | Mathematics Extension 1 | 10 |
| 77 | Willoughby Girls High School | Willoughby | Mathematics Extension 1 | 10 |
| 78 | Cumberland High School | Carlingford | Mathematics Extension 1 | 9 |
| 79 | Kinross Wolaroi School | Orange | Mathematics Extension 1 | 9 |
| 80 | Marcellin College | Randwick | Mathematics Extension 1 | 9 |
| 81 | Our Lady of Mercy College Parramatta | Parramatta | Mathematics Extension 1 | 9 |
| 82 | The Hills Grammar School | Kenthurst | Mathematics Extension 1 | 9 |
| 83 | Australian International School Hong Kong | Kowloon Tong, Hong Kong | Mathematics Extension 1 | 8 |
| 84 | Canberra Grammar School | Red Hill, ACT | Mathematics Extension 1 | 8 |
| 85 | Christian Brothers High School Lewisham | Lewisham | Mathematics Extension 1 | 8 |
| 86 | Holy Spirit College | ? | Mathematics Extension 1 | 8 |
| 87 | Meriden School | Strathfield | Mathematics Extension 1 | 8 |
| 88 | Patrician Brothers College Blacktown | Blacktown | Mathematics Extension 1 | 8 |
| 89 | Port Hacking High School | Miranda | Mathematics Extension 1 | 8 |
| 90 | Presbyterian Ladies College Sydney | Croydon | Mathematics Extension 1 | 8 |
| 91 | Santa Sabina College | Strathfield | Mathematics Extension 1 | 8 |
| 92 | St Catherines School | Waverley | Mathematics Extension 1 | 8 |
| 93 | St Marys Cathedral College | Sydney | Mathematics Extension 1 | 8 |
| 94 | St Patricks College Strathfield | Strathfield | Mathematics Extension 1 | 8 |
| 95 | Trinity Catholic College Auburn Campus | Auburn | Mathematics Extension 1 | 8 |
| 96 | Trinity Catholic College Lismore | East Lismore | Mathematics Extension 1 | 8 |
| 97 | Wenona School | North Sydney | Mathematics Extension 1 | 8 |
| 98 | Arthur Phillip High School | Parramatta | Mathematics Extension 1 | 7 |
| 99 | Concord High School | Concord | Mathematics Extension 1 | 7 |
| 100 | Kingsgrove High School | Kingsgrove | Mathematics Extension 1 | 7 |
Source: NSW Education Standards Authority (NESA).
Supplementary data from school publications.
Supplementary data from school publications.
Last Updated: 27 Jan 2021