This is the SACE Honour Roll, listing every award, merit or prize won by South Australian SACE students in 2005, along with their school and subject details.
The report also includes significant Australian national awards and prizes such as the Australian Student Prize.
| 131 | Cahill, Shane | SA | Merit | Arts and the Community I | |
| 132 | Callaghan, Brydie Jessica | SA | Merit | Tourism | |
| 133 | Calleja, Joanna Anita | SA | Merit | Accounting Studies | |
| 134 | Calleja, Joanna Anita | SA | Merit | Early Childhood Studies | |
| 135 | Cant, Megan | SA | Merit | English Studies | |
| 136 | Cant, Megan | SA | Merit | Music in Society | |
| 137 | Cant, Megan | SA | Merit | Visual Arts Studies | |
| 138 | Cap, Daniel Justin | SA | Merit | Arts and the Community | |
| 139 | Capobianco, Luciana-Claudia | SA | Merit | Tourism | |
| 140 | Carias, Mauricio Ernesto | SA | Merit | Spanish (Continuers) | |
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| 141 | Carlino, Lisa | SA | Merit | Early Childhood Studies | |
| 142 | Carlino, Lisa | SA | Merit | Psychology | |
| 143 | Carmody, Tate William | SA | Merit | Mathematical Methods | |
| 144 | Carne, Frances Janelle | SA | Merit | Business Studies | |
| 145 | Carnell, Emma Louise | SA | Merit | Legal Studies | |
| 146 | Carruthers, Amanda Kate | SA | Merit | Business Documents | |
| 147 | Carter, Elizabeth Anne | SA | Merit | Lifestyle and the Community | |
| 148 | Carter, Rebecca Hayward | SA | Merit | Modern History | |
| 149 | Carter, Thomas Michael | SA | Merit | Music Individual Study | |
| 150 | Champion, Jessica | SA | Merit | Drama Studies | |
| 151 | Chan, Lui Sum (Sam) | SA | Merit | Accounting Studies | |
| 152 | Chant, Danielle | SA | Merit | Psychology | |
| 153 | Chant, Danielle | SA | Merit | Tourism | |
| 154 | Chapman, Samuel Robert | SA | Merit | Economics | |
| 155 | Charitou, Evangelia | SA | Merit | Modern Greek (Continuers) | |
| 156 | Chase, Kristy | SA | Merit | English Communications | |
| 157 | Cheers, Kirra | SA | Merit | Communication Products B | |
| 158 | Cheers, Kirra | SA | Merit | English Communications | |
| 159 | Cheers, Kirra | SA | Merit | Ensemble Performance | |
| 160 | Chehade, Natalia | SA | Merit | Mathematical Applications | |
| 161 | Chen, Joanna Lee Ann | SA | Merit | English as Second Language Studies | |
| 162 | Cheney, Martin Timothy | SA | Merit | Musicianship | |
| 163 | Cheung, Gary (Tsz Chung) | SA | Merit | Solo Performance | |
| 164 | Chooi, Cheryl Sook Lai | SA | Merit | Biology | |
| 165 | Chooi, Cheryl Sook Lai | SA | Merit | Chemistry | |
| 166 | Chooi, Cheryl Sook Lai | SA | Merit | English Communications | |
| 167 | Chryssidis, Helene Michele | SA | Merit | English Communications | |
| 168 | Clark, Jason Ricky | SA | Merit | Physical Education | |
| 169 | Clark, Sarah Elizabeth | SA | Merit | English Communications | |
| 170 | Clarke, Jade Peta | SA | Merit | Women's Studies | |
| 171 | Clarke, Rachel | SA | Merit | Economics | |
| 172 | Clarke, Rachel | SA | Merit | Physics | |
| 173 | Clarke, Samuel | SA | Merit | English Communications | |
| 174 | Cocks, Sheena Sharee | SA | Merit | Health Studies | |
| 175 | Codrington, Ashleigh Jayne | SA | Merit | Business Documents | |
| 176 | Cogan, Georgina | SA | Merit | Physical Education | |
| 177 | Colebatch, Eliza Josephine | SA | Merit | Biology | |
| 178 | Colebatch, Eliza Josephine | SA | Merit | English Communications | |
| 179 | Colebatch, Eliza Josephine | SA | Merit | Nutrition | |
| 180 | Colebatch, Eliza Josephine | SA | Merit | Psychology | |