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.
| 1195 | Thomas, Max | Prince Alfred College | Kent Town | Gov of SA SACE Award | |
| 1196 | Thomas, Victoria Stephanie Grace | SA | Merit | Activating Identities and Futures | |
| 1197 | Thompson, Griffin | SA | Merit | General Mathematics | |
| 1198 | Thomson, Laila Tsing-Si Rose | SA | Merit | Biology | |
| 1199 | Tierney, Manni | SA | Merit | Activating Identities and Futures | |
| 1200 | To, Vy | SA | Merit | Research Project A | |
| 1201 | Tobiasen, Jasmine | SA | Merit | Industry and Entrepreneurial Solutions | |
| 1202 | Tomich, Imogen | SA | Merit | Modern History | |
| 1203 | Tomy, Clement | SA | Merit | Activating Identities and Futures | |
| 1204 | Tonkin, Sebastian | SA | Merit | Music Explorations | |
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| 1205 | Travers, Charlotte Josephine | SA | Merit | Research Project A | |
| 1206 | Tredwell, Stephanie | SA | Merit | Food and Hospitality | |
| 1207 | Tregloan, Liam | SA | Merit | Research Project B | |
| 1208 | Tretheway, Joshua | SA | Merit | Music Performance - Ensemble | |
| 1209 | Triglau, Charlotte Winnie | SA | Merit | Dance | |
| 1210 | Tripodi, Lachlan | SA | Merit | Accounting | |
| 1211 | Tripodi, Lachlan | SA | Merit | Business Innovation | |
| 1212 | Tripodi, Lachlan | SA | Merit | English | |
| 1213 | Tripodi, Lachlan | SA | Merit | Integrated Learning A | |
| 1214 | Tripodi, Lachlan | Rostrevor College | Woodforde | Gov of SA SACE Award | |
| 1215 | Truman, Jessica Kingsley | SA | Merit | Activating Identities and Futures | |
| 1216 | Truong, Anh | SA | Merit | Mathematical Methods | |
| 1217 | Truong, Livia Thuy Anh | SA | Merit | Visual Arts - Art | |
| 1218 | Tsamaidis, Elena Francesca | SA | Merit | Activating Identities and Futures | |
| 1219 | Tsamandanis, Athena | SA | Merit | Research Project B | |
| 1220 | Tseng, Hsin-Hua | SA | Merit | Research Project B | |
| 1221 | Tsompanoudis, Eleftheria | SA | Merit | Research Project B | |
| 1222 | Tsourtos, Ariana | SA | Merit | General Mathematics | |
| 1223 | Tu, Jarnila | SA | Merit | Business Innovation | |
| 1224 | Tu, Tara | SA | Merit | Research Project B | |
| 1225 | Tunkin, Daisy | SA | Merit | Essential Mathematics | |
| 1226 | Tunley, Victoria | SA | Merit | Scientific Studies | |
| 1227 | Turner, Olivia | Adelaide Botanic High School | Adelaide | Gov of SA SACE Award | |
| 1228 | Turner, Shayne Morgan | SA | Merit | Research Project B | |
| 1229 | Twelftree, Charlie | SA | Merit | English | |
| 1230 | Twelftree, Charlie | SA | Merit | General Mathematics | |
| 1231 | Tyler, Alice | SA | Merit | Research Project B | |
| 1232 | Tyler, Caitlin Abby | SA | Merit | Research Project B | |
| 1233 | Uhrig, Sarah Tess | SA | Merit | Material Solutions | |
| 1234 | Upadhyaya, Rajshree | SA | Merit | Activating Identities and Futures | |
| 1235 | Uppal, Prajwal | SA | Merit | Mathematical Methods | |
| 1236 | Uppal, Prajwal | SA | Merit | Physics | |
| 1237 | Vaid, Ayan | SA | Merit | Research Project B | |
| 1238 | Vale, Alicia Grace | SA | Merit | Integrated Learning A | |
| 1239 | van Doorn, Archer | SA | Merit | Essential English | |
| 1240 | Vasilevski, Samuel | SA | Merit | English | |
| 1241 | Velisek, Tim | SA | Merit | Material Solutions | |
| 1242 | Venus, Emma Louise Swinton | SA | Merit | Research Project B | |
| 1243 | Vidau, Holley Madison | SA | Merit | Humanities and Social Sciences Connections | |
| 1244 | Vidau, Holley Madison | SA | Merit | Interdisciplinary Connections | |