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.
| 147 | Caceres Galvez, Valeria Lucia | SA | Merit | Spanish (Continuers) | |
| 148 | Callahan, Bridie Claire Steven | SA | Merit | English | |
| 149 | Callea, Jordyn Oriana | SA | Merit | Essential English | |
| 150 | Callea, Jordyn Oriana | SA | Merit | Health and Wellbeing | |
| 151 | Cameron-Smith, Lauren Michaela | SA | Merit | Research Project B | |
| 152 | Campbell, Abby Grace | SA | Merit | Food and Hospitality | |
| 153 | Campbell, Amelia Frances | SA | Merit | Biology | |
| 154 | Campbell, Amelia Frances | SA | Merit | General Mathematics | |
| 155 | Campbell, Amelia Frances | SA | Merit | Legal Studies | |
| 156 | Campbell, Amelia Frances | SA | Merit | Research Project B | |
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| 157 | Campbell, Jake | SA | Merit | English | |
| 158 | Campbell, Jake | SA | Merit | Research Project A | |
| 159 | Canala, Luca Ash | SA | Merit | English | |
| 160 | Canala, Luca Ash | SA | Merit | Physics | |
| 161 | Canala, Luca Ash | SA | Merit | Specialist Mathematics | |
| 162 | Candeloro, Lewis | SA | Merit | Research Project B | |
| 163 | Cao, Khang Hoang | SA | Merit | General Mathematics | |
| 164 | Cao, Minh Tam Jackie | SA | Merit | Integrated Learning A | |
| 165 | Carruthers, Edward Scott | SA | Merit | Drama | |
| 166 | Carruthers, Edward Scott | SA | Merit | Research Project B | |
| 167 | Casey, Sophie Grace | SA | Merit | Scientific Studies | |
| 168 | Catford, Sarah Loine | SA | Merit | Nutrition | |
| 169 | Cawas, Taneisha May | SA | Merit | Child Studies | |
| 170 | Cazzolato, Tobias Eric | SA | Merit | Digital Technologies | |
| 171 | Centenera, Jackson Enrique | SA | Merit | Business Innovation | |
| 172 | Centenera, Jackson Enrique | SA | Merit | Drama | |
| 173 | Centenera, Jackson Enrique | SA | Merit | Research Project B | |
| 174 | Chahoud, Anthony | SA | Merit | English | |
| 175 | Champion, Anna | Pulteney Grammar School | Adelaide | Gov of SA SACE Award | |
| 176 | Champion, Anna Sophia | SA | Merit | English Literary Studies | |
| 177 | Champion, Anna Sophia | SA | Merit | General Mathematics | |
| 178 | Champion, Anna Sophia | SA | Merit | Legal Studies | |
| 179 | Champion, Anna Sophia | SA | Merit | Modern History | |
| 180 | Chan, Fai | SA | Merit | Research Project B | |
| 181 | Chan, Ryan Lok Hei | SA | Merit | English | |
| 182 | Chancellor, Taylah | SA | Merit | Food and Hospitality | |
| 183 | Chang, Wen Yue | SA | Merit | Chemistry | |
| 184 | Chang, Wen Yue | SA | Merit | Research Project B | |
| 185 | Chapman, Mary Isobel | SA | Merit | General Mathematics | |
| 186 | Chen, Rujinyi | SA | Merit | Specialist Mathematics | |
| 187 | Chen, Wenxi | SA | Merit | Mathematical Methods | |
| 188 | Cheng, Esther | SA | Merit | Psychology | |
| 189 | Cheung, Lynelle Therese | SA | Merit | Research Project B | |
| 190 | Chirara, Tanatswa | SA | Merit | Health and Wellbeing | |
| 191 | Choi, Jung Eun | SA | Merit | Mathematical Methods | |
| 192 | Choi, Yedam | SA | Merit | Research Project B | |
| 193 | Choure, Yastika | SA | Merit | Research Project B | |
| 194 | Christian, Caleb Zachary | SA | Merit | Music Performance - Ensemble | |
| 195 | Christian, Caleb Zachary | SA | Merit | Music Performance - Solo | |
| 196 | Chronowski-Wong, Jacinta Agnieszka | SA | Merit | Music Explorations | |