This is the SACE Honour Roll, listing every award, merit or prize won by South Australian SACE students in 2003, along with their school and subject details.
The report also includes significant Australian national awards and prizes such as the Australian Student Prize.
| 201 | Chau, Ricky Hern Jet | SA | Merit | English as Second Language Studies | |
| 202 | Chau, William | SA | Merit | Religions in Australia | |
| 203 | Chau, William | SA | Merit | Specialist Mathematics | |
| 204 | Chen, Chen | SA | Merit | Chinese (Background Speakers) | |
| 205 | Chessell, Lauren | SA | Merit | Tourism | |
| 206 | Cheung, Kalai | SA | Merit | Graphics | |
| 207 | Chin, Rose Marie | SA | Merit | Biology | |
| 208 | Chin, Rose Marie | SA | Merit | Chemistry | |
| 209 | Chin, Rose Marie | SA | Merit | Physics | |
| 210 | Chislett, Timothy Robert Peter | SA | Merit | Modern History | |
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| 211 | Choumar, Amra | SA | Merit | Business Studies | |
| 212 | Chrisohoou, Michael Ross | SA | Merit | Design Practical | |
| 213 | Chrisohoou, Michael Ross | SA | Merit | Economics | |
| 214 | Christopher, Elizabeth Katherine | SA | Merit | Modern History | |
| 215 | Christopher, Lea Marie | SA | Merit | Chemistry | |
| 216 | Christopher, Lea Marie | SA | Merit | English Studies | |
| 217 | Christopher, Lea Marie | SA | Merit | Modern History | |
| 218 | Christopher, Lea Marie | SA | Merit | Physics | |
| 219 | Christopher, Lea Marie | Wilderness School | Medindie | Australian Student Prize | |
| 220 | Chua, Jacqueline Hui-Xian | SA | Merit | Chinese (Continuers) | |
| 221 | Cirillo, Adam | SA | Merit | Music Individual Study | |
| 222 | Cirillo, John Rocky | SA | Merit | The Arts and the Community | |
| 223 | Clarke, Brigette Marie | SA | Merit | Mathematical Studies | |
| 224 | Clayfield, Matthew James | SA | Merit | Drama Studies | |
| 225 | Clayfield, Matthew James | SA | Merit | English Studies | |
| 226 | Clifton-Kent, Thomas | SA | Merit | Modern History | |
| 227 | Close, Elizabeth Fiona | SA | Merit | Modern History | |
| 228 | Clothier, Melanie Amanda | SA | Merit | Biology | |
| 229 | Clothier, Melanie Amanda | SA | Merit | Chemistry | |
| 230 | Clothier, Melanie Amanda | SA | Merit | Physics | |
| 231 | Clothier, Naomi Sheree | SA | Merit | Business Documents | |
| 232 | Clue, Carol | SA | Merit | Design, Construction and the Community | |
| 233 | Clue, Carol | SA | Merit | Language and the Community | |
| 234 | Cocks, Nick John | SA | Merit | Mathematical Studies | |
| 235 | Colebatch, Claire Louise | SA | Merit | Mathematical Applications | |
| 236 | Coleiro, Margaret Irene Mary | SA | Merit | Biology | |
| 237 | Coleiro, Margaret Irene Mary | SA | Merit | Mathematical Applications | |
| 238 | Coleman, Anna Caroline Miranda | SA | Merit | Performance Special Study | |
| 239 | Coleman, Patrick Mowat | St Peters College | St Peters | Australian Student Prize | |
| 240 | Collett, Sean Adrian | SA | Merit | Performance Special Study | |
| 241 | Colley, Skye Tegan | SA | Merit | Design, Construction and the Community | |
| 242 | Collins-McBride, Morgan Jay | SA | Merit | Music in Society | |
| 243 | Collins-McBride, Morgan Jay | SA | Merit | Solo Performance | |
| 244 | Collins-McBride, Morgan Jay | SA | Merit | Visual Arts Studies | |
| 245 | Colombo, Corrina | SA | Merit | Child Studies | |
| 246 | Colville, Jonathon | SA | Merit | Ensemble Performance | |
| 247 | Commane, Heath | SA | Merit | Physical Education | |
| 248 | Condous, Kosta Paul | SA | Merit | Accounting Studies | |
| 249 | Confalone, Bruno | SA | Merit | Information Technology Studies | |
| 250 | Congdon, Leora Gem | SA | Merit | Language and the Community | |