This is the SACE Honour Roll, listing every award, merit or prize won by South Australian SACE students in 2021, along with their school and subject details.
The report also includes significant Australian national awards and prizes such as the Australian Student Prize.
| 1 | Abaid, Hamayel | SA | Merit | Biology | |
| 2 | Abaid, Hamayel | SA | Merit | Chemistry | |
| 3 | Abaid, Hamayel | SA | Merit | English | |
| 4 | Adamson, Amelia Cate | SA | Merit | Psychology | |
| 5 | Agah, Mohammadhossein | SA | Merit | Research Project B | |
| 6 | Ageno, Daisy | SA | Merit | Research Project A | |
| 7 | Ahmed, Hareem | SA | Merit | English | |
| 8 | Ahmed, Hareem | SA | Merit | Research Project B | |
| 9 | Ahmed, Tauseef | SA | Merit | English | |
| 10 | Aidman, Ilya Eugene Nickolas | SA | Merit | Legal Studies | |
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| 11 | Ajaero, Isaiah Chidiomimi | SA | Merit | Research Project B | |
| 12 | Albanese, Lia | SA | Merit | Research Project B | |
| 13 | Albertini, Thomas Samuel | SA | Merit | General Mathematics | |
| 14 | Alfred, Sebastian | SA | Merit | English | |
| 15 | Alfred, Sebastian | Christian Brothers College | Adelaide | Gov of SA SACE Award | |
| 16 | Ali, Muhammad | Thebarton Senior College | Torrensville | Gov of SA SACE Award | |
| 17 | Allan, Eliza Grace Lawry | SA | Merit | English Literary Studies | |
| 18 | Allan, Sophie | SA | Merit | Research Project B | |
| 19 | Allen, Olivia Tamsyn | SA | Merit | Biology | |
| 20 | Allison, Kristy | SA | Merit | Creative Arts | |
| 21 | Allison, Natasha | SA | Merit | Research Project B | |
| 22 | Alvarez, Abbey | SA | Merit | Interdisciplinary Learning and the Community | |
| 23 | Alvi, Tasmia | SA | Merit | Research Project B | |
| 24 | Ambrosini, Mia Grace | SA | Merit | Visual Arts - Art | |
| 25 | Amerl, Katarina Anastasia | SA | Merit | Research Project B | |
| 26 | Amiri Aliabad, Pouya | SA | Merit | English | |
| 27 | Amiri, Amir Ali | SA | Merit | General Mathematics | |
| 28 | Anchor, Caitlin | SA | Merit | Religion Studies | |
| 29 | Anchor, Caitlin | Kildare College | Holden Hill | Gov of SA SACE Award | |
| 30 | Anderson, Kyla Marie | SA | Merit | Research Project B | |
| 31 | Andryushkin, Vasily | SA | Merit | Business Innovation | |
| 32 | Angove, Sahara Ann Elizabeth | SA | Merit | Business Innovation | |
| 33 | Angrish, Shradha | SA | Merit | Research Project B | |
| 34 | Antoniadis, Elena | SA | Merit | Child Studies | |
| 35 | Antoniadis, Elena | SA | Merit | Drama | |
| 36 | Antony, Sarah Maria | SA | Merit | Biology | |
| 37 | Anu, Adarsh | SA | Merit | Geography | |
| 38 | Arbon, Lacey Jade | SA | Merit | Physical Education | |
| 39 | Arbon, Lacey Jade | SA | Merit | Scientific Studies | |
| 40 | Armfield, Jack | SA | Merit | Biology | |
| 41 | Armfield, Jack | SA | Merit | Research Project B | |
| 42 | Armstrong, Jessica | SA | Merit | Mathematical Methods | |
| 43 | Arya, Vanshika | SA | Merit | Essential Mathematics | |
| 44 | Arya, Vanshika | SA | Merit | Integrated Learning B | |
| 45 | Astley, Molly | SA | Merit | Biology | |
| 46 | Aston, Kalani Deborah | SA | Merit | Essential Mathematics | |
| 47 | Athukorala, Suneli Thenaya | SA | Merit | Physical Education | |
| 48 | Atwell, Samuel | SA | Merit | Mathematical Methods | |
| 49 | Atwell, Samuel | SA | Merit | Specialist Mathematics | |
| 50 | Augustine, Manish | SA | Merit | Integrated Learning A | |