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.
| 1124 | Tang, Perl | SA | Merit | Research Project B | |
| 1125 | Tanner, Ruby | SA | Merit | Physical Education | |
| 1126 | Tanner, Ruby | SA | Merit | Research Project B | |
| 1127 | Tarca, Poppy | SA | Merit | Information Processing and Publishing | |
| 1128 | Taylor, Erin Louise | SA | Merit | Research Project B | |
| 1129 | Taylor, Shannon Lee | SA | Merit | General Mathematics | |
| 1130 | Teague, Veronika | SA | Merit | English | |
| 1131 | Teague, Veronika | SA | Merit | General Mathematics | |
| 1132 | Telfer, Anjali Gabriella | SA | Merit | English Literary Studies | |
| 1133 | Tennant, Jack Caleb | SA | Merit | Material Solutions | |
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| 1134 | Teo, Kaitlin | SA | Merit | General Mathematics | |
| 1135 | Thai, Athena Linh Gia | SA | Merit | Chemistry | |
| 1136 | Thai, Athena Linh Gia | SA | Merit | English | |
| 1137 | Thomas, Ariana Joy | SA | Merit | English | |
| 1138 | Thomas, Chloe | SA | Merit | General Mathematics | |
| 1139 | Thompson, Ashlyn | SA | Merit | Research Project B | |
| 1140 | Thompson, Gabrielle Grace | SA | Merit | General Mathematics | |
| 1141 | Thompson, Lucy Grace | SA | Merit | General Mathematics | |
| 1142 | Thomson, Chelsea Leanne | SA | Merit | English | |
| 1143 | Thwaite, Claudia | SA | Merit | Research Project B | |
| 1144 | Tilley, Amber | SA | Merit | Food and Hospitality | |
| 1145 | Tindale, Rebecca Eve | SA | Merit | Research Project B | |
| 1146 | Toh, Anoushka Juliet | SA | Merit | Psychology | |
| 1147 | Tolis, Anastasia | SA | Merit | Biology | |
| 1148 | Tolis, Anastasia | SA | Merit | Chemistry | |
| 1149 | Tonon, Brooke Kaycee | SA | Merit | General Mathematics | |
| 1150 | Toogood, Ebony Jade | SA | Merit | Health and Wellbeing | |
| 1151 | Tooth, Lillie Grace | SA | Merit | Research Project B | |
| 1152 | Tran, Amanda Nhu Ngoc | SA | Merit | Vietnamese (Continuers) | |
| 1153 | Tran, Anne Binh-An Nguyen | SA | Merit | Research Project B | |
| 1154 | Tran, Anthony Truong Cao Minh | SA | Merit | Psychology | |
| 1155 | Tran, Duy Minh | SA | Merit | English Literary Studies | |
| 1156 | Travers, Georgia | SA | Merit | Material Solutions | |
| 1157 | Tredrea, Jemma Cate | SA | Merit | Cross-Disciplinary Studies | |
| 1158 | Trieu, Emily | SA | Merit | English | |
| 1159 | Tripodi, Alissa | SA | Merit | Food and Hospitality | |
| 1160 | Truman, Isla Kingsley | SA | Merit | Research Project B | |
| 1161 | Truong, Pham Gia Loc | SA | Merit | Geography | |
| 1162 | Truong, Pham Gia Loc | SA | Merit | Research Project B | |
| 1163 | Truong, Pham Gia Loc | Pembroke School | Kensington Park | Prize: John Lewis Medal and Prize | Geography |
| 1164 | Tsakalos, Jacinda Louise | SA | Merit | Research Project B | |
| 1165 | Tsimiklis, Estelle Lisa | SA | Merit | Research Project B | |
| 1166 | Tu, Kenny Enkai | SA | Merit | Biology | |
| 1167 | Tu, Kenny Enkai | SA | Merit | Specialist Mathematics | |
| 1168 | Tu, Natasha-Han Nguyen Bao | SA | Merit | Research Project B | |
| 1169 | Tucker, Jackson | SA | Merit | Research Project B | |
| 1170 | Turland, Kaitlin | SA | Merit | Physics | |
| 1171 | Turner, Charlotte | SA | Merit | Psychology | |
| 1172 | Umar, Faisal | SA | Merit | Specialist Mathematics | |
| 1173 | Underwood, Lily | SA | Merit | Biology | |