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.
| 1126 | Singh, Jaskaran | SA | Merit | Research Project B | |
| 1127 | Singhal, Gunin | SA | Merit | Chemistry | |
| 1128 | Singhal, Gunin | SA | Merit | English | |
| 1129 | Singleton, Peter Clement Mitchell | SA | Merit | Digital Communication Solutions | |
| 1130 | Skalonja, Ada | SA | Merit | Media Studies | |
| 1131 | Skalonja, Ada | SA | Merit | Spiritualities, Religion and Meaning | |
| 1132 | Skurnik, Jacob Raphael | SA | Merit | Economics | |
| 1133 | Skurnik, Jacob Raphael | SA | Merit | Mathematical Methods | |
| 1134 | Skurnik, Jacob Raphael | SA | Merit | Specialist Mathematics | |
| 1135 | Smailes, Cascia | SA | Merit | Spiritualities, Religion and Meaning | |
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| 1136 | Small, Thomas Samuel | SA | Merit | Research Project B | |
| 1137 | Smith, Sean Edward | SA | Merit | Music Performance - Ensemble | |
| 1138 | Snook, Charlie Jasper | SA | Merit | Research Project B | |
| 1139 | Snook, Scarlett George | SA | Merit | Research Project B | |
| 1140 | Somido, Ariana | SA | Merit | Research Project B | |
| 1141 | Somido, Ariana | SA | Merit | Society and Culture | |
| 1142 | Souter, Grace | SA | Merit | Psychology | |
| 1143 | Souter, Grace | SA | Merit | Research Project B | |
| 1144 | Spencer, Amy Joy | SA | Merit | Digital Communication Solutions | |
| 1145 | Speranza, Vanessa | SA | Merit | Earth and Environmental Science | |
| 1146 | Spree, Eryn Michelle | SA | Merit | General Mathematics | |
| 1147 | Spree, Eryn Michelle | SA | Merit | Outdoor Education | |
| 1148 | Spreitzer, Kelly Jane | SA | Merit | Mathematical Methods | |
| 1149 | Stead, Elicia | SA | Merit | Research Project A | |
| 1150 | Steel, Liliya | SA | Merit | General Mathematics | |
| 1151 | Steel, Liliya | SA | Merit | Music Performance - Solo | |
| 1152 | Stephens, Georgia Amelia | SA | Merit | Research Project B | |
| 1153 | Sterenberg, Alexander | SA | Merit | Business Innovation | |
| 1154 | Sterenberg, Alexander | SA | Merit | Visual Arts - Design | |
| 1155 | Stewart-Rattray, Willow Grace | SA | Merit | Chemistry | |
| 1156 | Stewart-Rattray, Willow Grace | SA | Merit | English | |
| 1157 | Stirling-Mccreight, Monet Lynette | SA | Merit | Child Studies | |
| 1158 | Stonestreet, Vaughan | Kadina Memorial School | Kadina | Gov of SA SACE Award | |
| 1159 | Stonestreet, Vaughan John | SA | Merit | Mathematical Methods | |
| 1160 | Stonestreet, Vaughan John | SA | Merit | Music Explorations | |
| 1161 | Struga, Isabella | SA | Merit | Research Project B | |
| 1162 | Strutton, Kate Bethany | SA | Merit | Society and Culture | |
| 1163 | Subedi, Salina | SA | Merit | Research Project A | |
| 1164 | Sukhija, Rachita | SA | Merit | English | |
| 1165 | Sullivan, Halle Grace | SA | Merit | Business Innovation | |
| 1166 | Sullivan, Halle Grace | SA | Merit | English | |
| 1167 | Sumanasekara, Chelsie Chanu Dehansa | SA | Merit | Activating Identities and Futures | |
| 1168 | Sunartio, Emmanuel | SA | Merit | Research Project B | |
| 1169 | Surynt, Caitlin | SA | Merit | Research Project B | |
| 1170 | Suter, Sophie | SA | Merit | General Mathematics | |
| 1171 | Swalue, Charlie Sybil | SA | Merit | Research Project B | |
| 1172 | Sweet, Jacob Ryan | SA | Merit | Biology | |
| 1173 | Sweet, Jacob Ryan | SA | Merit | Research Project B | |
| 1174 | Sylaidis, Michel Ioanna | SA | Merit | Research Project B | |
| 1175 | Szebenyi, Nora Natalia | SA | Merit | English | |