This is the SACE Honour Roll, listing every award, merit or prize won by South Australian SACE students in 2021, along with their school and subject details.
The report also includes significant Australian national awards and prizes such as the Australian Student Prize.
| 1141 | Thomson, Chelsea Leanne | SA | Merit | English | |
| 1142 | Thwaite, Claudia | SA | Merit | Research Project B | |
| 1143 | Tilley, Amber | SA | Merit | Food and Hospitality | |
| 1144 | Tindale, Rebecca Eve | SA | Merit | Research Project B | |
| 1145 | Toh, Anoushka Juliet | SA | Merit | Psychology | |
| 1146 | Tolis, Anastasia | SA | Merit | Biology | |
| 1147 | Tolis, Anastasia | SA | Merit | Chemistry | |
| 1148 | Tonon, Brooke Kaycee | SA | Merit | General Mathematics | |
| 1149 | Toogood, Ebony Jade | SA | Merit | Health and Wellbeing | |
| 1150 | Tooth, Lillie Grace | SA | Merit | Research Project B | |
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| 1151 | Tran, Amanda Nhu Ngoc | SA | Merit | Vietnamese (Continuers) | |
| 1152 | Tran, Anne Binh-An Nguyen | SA | Merit | Research Project B | |
| 1153 | Tran, Anthony Truong Cao Minh | SA | Merit | Psychology | |
| 1154 | Tran, Duy Minh | SA | Merit | English Literary Studies | |
| 1155 | Travers, Georgia | SA | Merit | Material Solutions | |
| 1156 | Tredrea, Jemma Cate | SA | Merit | Cross-Disciplinary Studies | |
| 1157 | Trieu, Emily | SA | Merit | English | |
| 1158 | Tripodi, Alissa | SA | Merit | Food and Hospitality | |
| 1159 | Truman, Isla Kingsley | SA | Merit | Research Project B | |
| 1160 | Truong, Pham Gia Loc | SA | Merit | Geography | |
| 1161 | Truong, Pham Gia Loc | SA | Merit | Research Project B | |
| 1162 | Truong, Pham Gia Loc | Pembroke School | Kensington Park | Prize: John Lewis Medal and Prize | Geography |
| 1163 | Tsakalos, Jacinda Louise | SA | Merit | Research Project B | |
| 1164 | Tsimiklis, Estelle Lisa | SA | Merit | Research Project B | |
| 1165 | Tu, Kenny Enkai | SA | Merit | Biology | |
| 1166 | Tu, Kenny Enkai | SA | Merit | Specialist Mathematics | |
| 1167 | Tu, Natasha-Han Nguyen Bao | SA | Merit | Research Project B | |
| 1168 | Tucker, Jackson | SA | Merit | Research Project B | |
| 1169 | Turland, Kaitlin | SA | Merit | Physics | |
| 1170 | Turner, Charlotte | SA | Merit | Psychology | |
| 1171 | Umar, Faisal | SA | Merit | Specialist Mathematics | |
| 1172 | Underwood, Lily | SA | Merit | Biology | |
| 1173 | Unerkov, Zak | SA | Merit | General Mathematics | |
| 1174 | Vagionas, George | SA | Merit | Physics | |
| 1175 | van den Nieuwelaar, Skye | SA | Merit | Research Project B | |
| 1176 | Vandenberg, Christophe | SA | Merit | Modern History | |
| 1177 | Vanikiotis, Eleni | SA | Merit | Material Solutions | |
| 1178 | Varley, Katherine | SA | Merit | Research Project B | |
| 1179 | Vatenos, Maree | SA | Merit | Material Solutions | |
| 1180 | Venkatesan, Prathicksha | SA | Merit | Research Project B | |
| 1181 | Venning, Chloe Leonie | SA | Merit | Workplace Practices | |
| 1182 | Venning, Lily Marie | SA | Merit | General Mathematics | |
| 1183 | Venning, Lily Marie | SA | Merit | Workplace Practices | |
| 1184 | Verghese, Thangam Elizabeth | SA | Merit | Biology | |
| 1185 | Verghese, Thangam Elizabeth | SA | Merit | Research Project B | |
| 1186 | Villis-Chatfield, Sydney | SA | Merit | Italian (Continuers) | |
| 1187 | Vince, Hannah Anne | SA | Merit | English Literary Studies | |
| 1188 | Vince, Hannah Anne | SA | Merit | Psychology | |
| 1189 | Vincent-Wyatt, Gracie | SA | Merit | English | |
| 1190 | Vincin Walker, Evelyn | SA | Merit | Research Project B | |