This report shows the total number of HSC Distinguished Achiever awards won by students in each subject at each school during 2020.
| 1 | Baulkham Hills High School | Baulkham Hills | Japanese Extension | 11 |
| 2 | Burwood Girls High School | Croydon | Japanese Extension | 1 |
| 3 | Carlingford High School | Carlingford | Japanese Extension | 1 |
| 4 | Cheltenham Girls High School | Beecroft | Japanese Extension | 1 |
| 5 | Cherrybrook Technology High School | Cherrybrook | Japanese Extension | 4 |
| 6 | Epping Boys High School | Eastwood | Japanese Extension | 1 |
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| 7 | Girraween High School | Girraween | Japanese Extension | 1 |
| 8 | Gosford High School | Gosford | Japanese Extension | 1 |
| 9 | Hornsby Girls High School | Hornsby | Japanese Extension | 6 |
| 10 | Hurlstone Agricultural High School | Glenfield | Japanese Extension | 2 |
| 11 | International Grammar School | Ultimo | Japanese Extension | 1 |
| 12 | James Ruse Agricultural High School | Carlingford | Japanese Extension | 1 |
| 13 | Knox Grammar School | Wahroonga | Japanese Extension | 1 |
| 14 | Kotara High School | Adamstown | Japanese Extension | 1 |
| 15 | Normanhurst Boys High School | Normanhurst | Japanese Extension | 2 |
| 16 | North Sydney Boys High School | Crows Nest | Japanese Extension | 4 |
| 17 | North Sydney Girls High School | Crows Nest | Japanese Extension | 5 |
| 18 | Penrith High School | Penrith | Japanese Extension | 1 |
| 19 | Presbyterian Ladies College Sydney | Croydon | Japanese Extension | 2 |
| 20 | Pymble Ladies College | Pymble | Japanese Extension | 3 |
| 21 | Ravenswood School for Girls | Gordon | Japanese Extension | 1 |
| 22 | Roseville College | Roseville | Japanese Extension | 2 |
| 23 | Santa Sabina College | Strathfield | Japanese Extension | 4 |
| 24 | Smiths Hill High School | Wollongong | Japanese Extension | 3 |
| 25 | St George Girls High School | Kogarah | Japanese Extension | 1 |
| 26 | St Scholasticas College Glebe Point | Glebe Point | Japanese Extension | 1 |
| 27 | Sydney Girls High School | Surry Hills | Japanese Extension | 5 |
| 28 | Tara Anglican School for Girls | North Parramatta | Japanese Extension | 1 |
| 29 | The Hills Grammar School | Kenthurst | Japanese Extension | 1 |
| 30 | Turramurra High School | South Turramurra | Japanese Extension | 2 |
| 31 | Willoughby Girls High School | Willoughby | Japanese Extension | 1 |