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.
| 988 | Rossi, Jacinta | SA | Merit | Research Project B | |
| 989 | Rossi, Jacinta | SA | Merit | Workplace Practices | |
| 990 | Rothe, Ella Jacinta | SA | Merit | Child Studies | |
| 991 | Rowe, Alexander Joshua | SA | Merit | Physics | |
| 992 | Rozitis-Holding, Sebastian Maximillian | SA | Merit | Mathematical Methods | |
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| 993 | Ruddenklau, Lucienne | SA | Merit | Research Project B | |
| 994 | Rulla, Chelsea | SA | Merit | Child Studies | |
| 995 | Russell, Angus James | SA | Merit | Digital Communication Solutions | |
| 996 | Russell, Britney Anne | SA | Merit | Research Project B | |
| 997 | Russell, Hannah | SA | Merit | Religion Studies | |
| 998 | Russell, Harry Charles | SA | Merit | Workplace Practices | |
| 999 | Ryan, Madeline Rose | SA | Merit | Health | |
| 1000 | Saccardo, Nicolas | SA | Merit | Digital Communication Solutions | |
| 1001 | Safi, Hassan | SA | Merit | Research Project B | |
| 1002 | Saji, Christy | SA | Merit | Business and Enterprise | |
| 1003 | Saji, Christy | SA | Merit | English | |
| 1004 | Saji, Christy | SA | Merit | Psychology | |
| 1005 | Sajjad, Noor | SA | Merit | Research Project B | |
| 1006 | Salt, Georgia | SA | Merit | Research Project B | |
| 1007 | Sandercock, Ella | SA | Merit | General Mathematics | |
| 1008 | Sanders, Rachel May | SA | Merit | Material Solutions | |
| 1009 | Sandery, Olivia Kate | SA | Merit | General Mathematics | |
| 1010 | Sandhu, Nimrat Kaur | SA | Merit | English | |
| 1011 | Sandhu, Nirbhik Singh | SA | Merit | English | |
| 1012 | Santhosh, Lijo Sayanth | SA | Merit | Research Project B | |