This is the SACE Honour Roll, listing every award, merit or prize won by South Australian SACE students in 2012, along with their school and subject details.
The report also includes significant Australian national awards and prizes such as the Australian Student Prize.
| 151 | Calleja, Joseph | SA | Merit | Chemistry | |
| 152 | Calleja, Joseph | SA | Merit | Mathematical Studies | |
| 153 | Callisto, Stephanie | SA | Merit | Solo Performance | |
| 154 | Cameron, Jane | SA | Merit | Research Project B | |
| 155 | Canala, Benjamin | SA | Merit | Mathematical Applications | |
| 156 | Cao, Amanda Anh Tho Ngo | SA | Merit | English Communications | |
| 157 | Carlson-Jones, William | SA | Merit | Research Project B | |
| 158 | Carmody, Brittany | SA | Merit | Information Processing and Publishing | |
| 159 | Carosi, Peter | SA | Merit | Accounting | |
| 160 | Caruso, Angelica | SA | Merit | Legal Studies | |
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| 161 | Caruso, Angelica | SA | Merit | Research Project B | |
| 162 | Caruso, Angelica | Saint Ignatius College | Athelstone | Australian Student Prize | |
| 163 | Castle, Chloe | SA | Merit | Economics | |
| 164 | Castle, Chloe | SA | Merit | Italian (Continuers) | |
| 165 | Castle, Chloe | SA | Merit | Modern History | |
| 166 | Castle, Chloe | SA | Merit | Research Project B | |
| 167 | Castle, Chloe | SA | Prize: Co-ordinating Italian Committee Prize | Italian | |
| 168 | Castle, Chloe | Sacred Heart College | Somerton Park | Australian Student Prize | |
| 169 | Cerna, Adelle | SA | Merit | Research Project B | |
| 170 | Chadwick, Thomas | SA | Merit | Physics | |
| 171 | Chambers, Zelda | SA | Merit | Society and Culture | |
| 172 | Champion, Monique | SA | Merit | Research Project B | |
| 173 | Chamsoutdinova, Diana | SA | Merit | Biology | |
| 174 | Chamsoutdinova, Diana | SA | Merit | Psychology | |
| 175 | Chan, Amy Cheuk Yau | SA | Merit | Research Project B | |
| 176 | Chan, Man | SA | Merit | Specialist Mathematics | |
| 177 | Chan, Sara | SA | Merit | Chemistry | |
| 178 | Chan, Sara | SA | Merit | Research Project B | |
| 179 | Cheesman, Natalija | SA | Merit | Research Project B | |
| 180 | Cho, Ha Jung Lauren | SA | Merit | Religion Studies | |
| 181 | Chuong, Kimberley | SA | Merit | Biology | |
| 182 | Chuong, Kimberley | SA | Merit | Research Project B | |
| 183 | Chuong, Kimberley | SA | Merit | Visual Arts - Arts | |
| 184 | Chuong, Kimberley | Henley High School | Henley Beach | Australian Student Prize | |
| 185 | Claessen-Smith, Tanner | SA | Merit | Mathematical Applications | |
| 186 | Clarence, Abbey | SA | Merit | Biology | |
| 187 | Clarence, Abbey | SA | Merit | English Communications | |
| 188 | Clark, Rebekah | SA | Merit | English Studies | |
| 189 | Clark, Rebekah | SA | Merit | Research Project B | |
| 190 | Clarke, Eleanor | SA | Merit | English Communications | |
| 191 | Clarnette, Georgina | SA | Merit | Biology | |
| 192 | Clayton, Adam | SA | Merit | Accounting | |
| 193 | Clayton, Adam | SA | Merit | Economics | |
| 194 | Clayton, Adam Peter | SA | Prize: Economics Teachers Society of SA Prize | Economics | |
| 195 | Clift, Nicholas | SA | Merit | Material Products II | |
| 196 | Clift, Nicole | SA | Merit | Visual Arts - Arts | |
| 197 | Clohesy, Catherine | SA | Merit | Nutrition | |
| 198 | Close, Marianne | SA | Merit | English Communications | |
| 199 | Cobham-Hervey, Tilda | SA | Merit | Drama | |
| 200 | Cobham-Hervey, Tilda | SA | Merit | Visual Arts - Arts | |