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.
| 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 | |
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| 1010 | Sandhu, Nimrat Kaur | SA | Merit | English | |
| 1011 | Sandhu, Nirbhik Singh | SA | Merit | English | |
| 1012 | Santhosh, Lijo Sayanth | SA | Merit | Research Project B | |
| 1013 | Santoro, Emily | SA | Merit | General Mathematics | |
| 1014 | Santosh Olakkengil, Kate | SA | Merit | Biology | |
| 1015 | Santosh Olakkengil, Kate | SA | Merit | General Mathematics | |
| 1016 | Sarah, Alistair Henry | SA | Merit | Research Project B | |
| 1017 | Saw, Nigel | SA | Merit | English | |
| 1018 | Sayers, Lily Iris | SA | Merit | Modern History | |
| 1019 | Scamoni, Christian | SA | Merit | Digital Communication Solutions | |
| 1020 | Schenk, Kurt Tyler | SA | Merit | Outdoor Education | |
| 1021 | Schubert, Greer Raelene | SA | Merit | Health | |
| 1022 | Schultz, Henry Walden | SA | Merit | Integrated Learning A | |
| 1023 | Schultz, Henry Walden | SA | Merit | Research Project B | |
| 1024 | Schultz, Lucas | SA | Merit | Material Solutions | |
| 1025 | Schwerdt, Ethan Christopher | SA | Merit | Research Project B | |
| 1026 | Scinto, Angelica | SA | Merit | English | |
| 1027 | Scipioni, Tahlia Laura | SA | Merit | General Mathematics | |
| 1028 | Scipioni, Tahlia Laura | SA | Merit | Physical Education | |
| 1029 | Scipioni, Tahlia Laura | SA | Merit | Research Project B | |
| 1030 | Scott, Abby | SA | Merit | Religion Studies | |
| 1031 | Scott, Nicole | SA | Merit | Tourism | |
| 1032 | Scroop, Lucas | SA | Merit | Japanese (Continuers) | |
| 1033 | Searle, Grace Emily | SA | Merit | Research Project B | |
| 1034 | Seifert, Connor William | SA | Merit | Mathematical Methods | |
| 1035 | Sellvakumaran, Sidhaarath | Westminster School | Marion | Gov of SA Excellence in Modified SACE Award | |
| 1036 | Selva-Nayagam, Vijay Kumar | SA | Merit | Research Project B | |
| 1037 | Selvanayagam, William Balarajah | SA | Merit | Mathematical Methods | |
| 1038 | Semenov, Lucy | SA | Merit | Psychology | |
| 1039 | Sentschuk, Samuel | SA | Merit | English Literary Studies | |
| 1040 | Seppelt, Grace Margaret | SA | Merit | Workplace Practices | |
| 1041 | Sexton, Hannah Claire | SA | Merit | English | |
| 1042 | Shacklock, Oliver Henry Alfred | SA | Merit | Mathematical Methods | |
| 1043 | Shah, Aneri Kartik | SA | Merit | Business Innovation | |
| 1044 | Shah, Jheel Jayant | SA | Merit | English as an Additional Language | |
| 1045 | Shah, Sanjhi | SA | Merit | Essential Mathematics | |
| 1046 | Sharp, Joshua | SA | Merit | Integrated Learning A | |
| 1047 | Sharp, Joshua | SA | Merit | Physics | |
| 1048 | Shearer, Isabel | SA | Merit | Physical Education | |
| 1049 | Shepherdson, Teliah Jade | SA | Merit | Food and Hospitality | |