This is the SACE Honour Roll, listing every award, merit or prize won by South Australian SACE students in 2020, along with their school and subject details.
The report also includes significant Australian national awards and prizes such as the Australian Student Prize.
| 1 | Walker, Liana | Salisbury High School | Salisbury North | Gov of SA Aboriginal Student SACE Award | |
| 2 | Sellvakumaran, Sidhaarath | Westminster School | Marion | Gov of SA Excellence in Modified SACE Award | |
| 3 | Bennett, Grace | Playford International College | Elizabeth | Gov of SA SACE Award | |
| 4 | Bergamin, Gianni | Rostrevor College | Woodforde | Gov of SA SACE Award | |
| 5 | Christone, Filbert | Portside Christian College | New Port | Gov of SA SACE Award | |
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| 6 | Connolly, Gabrielle | Cardijn College Marian Campus | Noarlunga Downs | Gov of SA SACE Award | |
| 7 | Dalton, Catherine | St Marys College | Adelaide | Gov of SA SACE Award | |
| 8 | Davis, Aidyn | Naracoorte High School | Naracoorte | Gov of SA SACE Award | |
| 9 | Elias, Giovanni | Rostrevor College | Woodforde | Gov of SA SACE Award | |
| 10 | Hansch-Maher, Silas | Saint Ignatius College | Athelstone | Gov of SA SACE Award | |
| 11 | Heathershaw, Sam | Woodville High School | St Clair | Gov of SA SACE Award | |
| 12 | Heaver, Trent | Kings Baptist Grammar School | Wynn Vale | Gov of SA SACE Award | |
| 13 | Hinze, Emily | Cornerstone College | Mount Barker | Gov of SA SACE Award | |
| 14 | Ho, Kylie | Unley High School | Netherby | Gov of SA SACE Award | |
| 15 | Hunter, William | Kadina Memorial School | Kadina | Gov of SA SACE Award | |
| 16 | Kilkenny-Jones, Constance | Heathfield High School | Heathfield | Gov of SA SACE Award | |
| 17 | Kleinig, Oliver | St Peters College | St Peters | Gov of SA SACE Award | |
| 18 | Liptak, Ruby | Westminster School | Marion | Gov of SA SACE Award | |
| 19 | Matthias, Greta | Modbury High School | Modbury | Gov of SA SACE Award | |
| 20 | McKay, Kate | Loreto College | Marryatville | Gov of SA SACE Award | |
| 21 | Nitschke, Samuel | Loxton High School | Loxton | Gov of SA SACE Award | |
| 22 | Portelli, Taylor | Eynesbury Senior College | Adelaide | Gov of SA SACE Award | |
| 23 | Sinhal, Shreyans | St Peters College | St Peters | Gov of SA SACE Award | |
| 24 | Stefanopoulos, Paras | St Michaels College | Henley Beach | Gov of SA SACE Award | |
| 25 | Sutton, David | Xavier College Gawler Belt Campus | Gawler Belt | Gov of SA SACE Award | |