This report shows the total number of HSC Distinguished Achiever awards won by students in each subject at each school during 2020.
| 1 | Abbotsleigh | Wahroonga | Latin Extension | 3 |
| 2 | Barker College | Hornsby | Latin Extension | 3 |
| 3 | Baulkham Hills High School | Baulkham Hills | Latin Extension | 4 |
| 4 | Cranbrook School | Bellevue Hill | Latin Extension | 3 |
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| 5 | Frensham School | Mittagong | Latin Extension | 1 |
| 6 | James Ruse Agricultural High School | Carlingford | Latin Extension | 3 |
| 7 | Meriden School | Strathfield | Latin Extension | 2 |
| 8 | North Sydney Boys High School | Crows Nest | Latin Extension | 5 |
| 9 | North Sydney Girls High School | Crows Nest | Latin Extension | 19 |
| 10 | Presbyterian Ladies College Sydney | Croydon | Latin Extension | 3 |
| 11 | Pymble Ladies College | Pymble | Latin Extension | 3 |
| 12 | SCEGGS Darlinghurst | Darlinghurst | Latin Extension | 2 |
| 13 | SHORE Sydney Church of England Grammar School | North Sydney | Latin Extension | 1 |
| 14 | St Aloysius College | Milsons Point | Latin Extension | 1 |
| 15 | St Catherines School | Waverley | Latin Extension | 2 |
| 16 | St Ignatius College | Lane Cove | Latin Extension | 2 |
| 17 | St Josephs College Hunters Hill | Hunters Hill | Latin Extension | 2 |
| 18 | Sydney Boys High School | Moore Park | Latin Extension | 4 |
| 19 | Sydney Girls High School | Surry Hills | Latin Extension | 8 |
| 20 | Sydney Grammar School | Darlinghurst | Latin Extension | 16 |
| 21 | Tangara School for Girls | Cherrybrook | Latin Extension | 2 |
| 22 | The Hills Grammar School | Kenthurst | Latin Extension | 1 |