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.
| 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 | |
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| 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 | |
| 181 | Colebatch, Eliza Josephine | Pembroke School | Kensington Park | Australian Student Prize | |
| 182 | Collins-McBride, Campbell | SA | Merit | Accounting Studies | |
| 183 | Consalvo, Hannah Josephine | SA | Merit | Early Childhood Studies | |
| 184 | Cooper, Ivan | SA | Merit | Biology | |
| 185 | Cooper, Jade | SA | Merit | English Studies | |
| 186 | Cooper, Jade | SA | Merit | Solo Performance | |
| 187 | Cooper, Louise Elizabeth | SA | Merit | English Studies | |
| 188 | Cooper, Matthew | SA | Merit | Design, Construction and the Community I | |
| 189 | Cordell, Melissa Jane | SA | Merit | Communication Products A | |
| 190 | Cousins, Jacqueline | SA | Merit | Geography Studies | |
| 191 | Cousins, Jacqueline | SA | Merit | Mathematical Methods | |
| 192 | Cozens, Lucinda Claire | SA | Merit | Health, Recreation and the Community I | |
| 193 | Crawford, Emily Laura | SA | Merit | English Studies | |
| 194 | Crawford, Emily Laura | SA | Merit | Modern History | |
| 195 | Croser, Nicholas | SA | Merit | Physical Education | |
| 196 | Cross, Nicholas Mathieson | SA | Merit | Geography Studies | |
| 197 | Crouch, Lisa Amanda | SA | Merit | Biology | |
| 198 | Crowder, Sarah | SA | Merit | Art Practical | |
| 199 | Cummings, Benjamin David | SA | Merit | Solo Performance | |
| 200 | Cundy, William John | SA | Merit | English Communications | |
| 201 | Currie, David Stephen | SA | Merit | Drama Studies | |
| 202 | d'Alessandro, Andrew James | SA | Merit | Business Studies | |
| 203 | d'Alessandro, Andrew James | SA | Merit | Information Technology Studies | |
| 204 | d'Alessandro, Andrew James | SA | Merit | Legal Studies | |
| 205 | Dahlenburg, Luke Martin | SA | Merit | Broadcasting and Multimedia A | |
| 206 | Daly, Brigid | SA | Merit | Tourism | |
| 207 | Daly, Maxwell John | SA | Merit | English Communications | |
| 208 | Dance-Hooi, Sofia Margaret | SA | Merit | Drama Studies | |
| 209 | Daniel, Kimberley Christine | SA | Merit | Early Childhood Studies | |
| 210 | Daniels, Jessica Ann | SA | Merit | Business Documents | |
| 211 | Dansie, Jonathan | SA | Merit | Chemistry | |
| 212 | Dansie, Jonathan | SA | Merit | Mathematical Studies | |
| 213 | Dansie, Jonathan | SA | Merit | Physics | |
| 214 | Dansie, Jonathan Luke | Modbury High School | Modbury | Australian Student Prize | |
| 215 | Darby, Hannah Louise | SA | Merit | Design, Construction and the Community I | |