This is the SACE Honour Roll, listing every award, merit or prize won by South Australian SACE students in 2023, along with their school and subject details.
The report also includes significant Australian national awards and prizes such as the Australian Student Prize.
| 227 | Chu, Matilda Sarah | SA | Merit | General Mathematics | |
| 228 | Ciccozzi, Sara Rose | SA | Merit | Activating Identities and Futures | |
| 229 | Cirillo, Stefanie | SA | Merit | Food and Hospitality | |
| 230 | Clark, Alexander | SA | Merit | English | |
| 231 | Clark, Alexander | SA | Merit | Research Project B | |
| 232 | Clark, Jack Ashmore | SA | Merit | Research Project B | |
| 233 | Clifton, Joshua James | SA | Merit | Essential Mathematics | |
| 234 | Cocks, Marisa | SA | Merit | Creative Arts | |
| 235 | Coggins, Mahalia Imogen | SA | Merit | Research Project B | |
| 236 | Collette, Julia | SA | Merit | Visual Arts - Art | |
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| 237 | Collins, Patrick Martins | SA | Merit | Research Project B | |
| 238 | Condo, Alexia | SA | Merit | Food and Hospitality | |
| 239 | Conti, Stefan | SA | Merit | Research Project A | |
| 240 | Cooke, Ginger Ella | SA | Merit | Visual Arts - Art | |
| 241 | Cooley, Imogen Skye | SA | Merit | Research Project B | |
| 242 | Cools, Jessica Kimberley | SA | Merit | Media Studies | |
| 243 | Cooper, Adele Jamie | SA | Merit | Research Project B | |
| 244 | Cooray, Sonakshi Marisa | SA | Merit | Activating Identities and Futures | |
| 245 | Corso, Eve Margaret | SA | Merit | Modern History | |
| 246 | Coscia, Sofia | SA | Merit | Information Processing and Publishing | |
| 247 | Cossey, Zoe | SA | Merit | Activating Identities and Futures | |
| 248 | Couper, Jessica | SA | Merit | Visual Arts - Design | |
| 249 | Cox, Alyssa | SA | Merit | Business Innovation | |
| 250 | Cozamanis, Stella | Immanuel College | Novar Gardens | Gov of SA SACE Award | |
| 251 | Crafter, Charlie | SA | Merit | English | |
| 252 | Crafter, Charlie | SA | Merit | Research Project B | |
| 253 | Craig, Jessica | Wilderness School | Medindie | Gov of SA SACE Award | |
| 254 | Craig, Jessica Sarah | SA | Merit | Industry and Entrepreneurial Solutions | |
| 255 | Crawford, Jackson James | SA | Merit | Mathematical Methods | |
| 256 | Creedy, Ryan | SA | Merit | Music Performance - Solo | |
| 257 | Crispin, Chloe | SA | Merit | English | |
| 258 | Crompton, Alice De La Lande | SA | Merit | Workplace Practices | |
| 259 | Cronin, Eamonn James | SA | Merit | Activating Identities and Futures | |
| 260 | Cronin, Eamonn James | SA | Merit | Physical Education | |
| 261 | Croser, Aden | SA | Merit | Integrated Learning A | |
| 262 | Cunningham, Ava | SA | Merit | English | |
| 263 | D Costa, Leona Andrea | SA | Merit | Activating Identities and Futures | |
| 264 | d'Arcy, Patrick Benjamin | SA | Merit | Music Performance - Ensemble | |
| 265 | d'Cruz, Kate | SA | Merit | Research Project B | |
| 266 | d'Cruz, Nicole | SA | Merit | Research Project B | |
| 267 | Dais, Ioanna-Maria | SA | Merit | Research Project B | |
| 268 | Daka, Robert | SA | Merit | Research Project B | |
| 269 | Damato, Nikolas Alexander | SA | Merit | Research Project B | |
| 270 | Dang, Kevin | SA | Merit | Chemistry | |
| 271 | Dang, Kevin | SA | Merit | Physics | |
| 272 | Daniell, Sienna | SA | Merit | Psychology | |
| 273 | Daniell, Sienna | Unity College | Murray Bridge | Gov of SA SACE Award | |
| 274 | Dave, Arya Harshadkumar | SA | Merit | Biology | |
| 275 | Davidson, Stephanie Grace | SA | Merit | Physical Education | |
| 276 | Davies, Jemima Caroline | SA | Merit | Business Innovation | |