This is the SACE Honour Roll, listing every award, merit or prize won by South Australian SACE students in 2020, along with their school and subject details.
The report also includes significant Australian national awards and prizes such as the Australian Student Prize.
| 1176 | Tsui, Carmen | SA | Merit | Industry and Entrepreneurial Solutions | |
| 1177 | Tsui, Carmen | SA | Merit | Research Project B | |
| 1178 | Tu, Kenny Enkai | SA | Merit | Mathematical Methods | |
| 1179 | Tudorovic, Hannah | SA | Merit | English | |
| 1180 | Tune, Daniel John | SA | Merit | Modern History | |
| 1181 | Turland, Kaitlin | SA | Merit | Research Project B | |
| 1182 | Turner, Stephanie | SA | Merit | English Literary Studies | |
| 1183 | Tuteja, Ravneet Singh | SA | Merit | General Mathematics | |
| 1184 | Tye, Sharna | SA | Merit | Health | |
| 1185 | Tyson, Edward Henry | SA | Merit | English | |
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| 1186 | Underwood, Lily | SA | Merit | Psychology | |
| 1187 | Upton, Samuel Antony | SA | Merit | Business and Enterprise | |
| 1188 | Uren, Harrison | SA | Merit | English | |
| 1189 | Vagionas, George | SA | Merit | Digital Communication Solutions | |
| 1190 | van Pelt, Matthew | SA | Merit | Scientific Studies | |
| 1191 | van Rooyen, Jonathan | SA | Merit | Research Project B | |
| 1192 | van Zyl, Gia Bianca | SA | Merit | Business Innovation | |
| 1193 | Varley, Elise Casey | SA | Merit | Research Project B | |
| 1194 | Varley, Georgina | SA | Merit | English Literary Studies | |
| 1195 | Venning, Jaimee | SA | Merit | Physical Education | |
| 1196 | Venturi, Hannah | SA | Merit | English | |
| 1197 | Veprek, Abbie Mae | SA | Merit | Health | |
| 1198 | Vickers-Jecs, Shannon | SA | Merit | Food and Hospitality | |
| 1199 | Villani, Isabella | SA | Merit | Integrated Learning A | |
| 1200 | Vincent-Wyatt, Millie | SA | Merit | Research Project B | |
| 1201 | Vincin Walker, Evelyn | SA | Merit | Biology | |
| 1202 | von Bertouch, Ashlyn Nicole | SA | Merit | Music Performance - Solo | |
| 1203 | Voorhoeve, Karlijn | SA | Merit | Psychology | |
| 1204 | Votino, Christopher | SA | Merit | General Mathematics | |
| 1205 | Vu, Angela | SA | Merit | Scientific Studies | |
| 1206 | Walgampola, Asini Induli | SA | Merit | Essential Mathematics | |
| 1207 | Walker, Liana | Salisbury High School | Salisbury North | Gov of SA Aboriginal Student SACE Award | |
| 1208 | Walker, Olivia | SA | Merit | Economics | |
| 1209 | Walker, Olivia | SA | Merit | English Literary Studies | |
| 1210 | Walker, Olivia | Walford Anglican School for Girls | Hyde Park | Gov of SA SACE Award | |
| 1211 | Walker-Hart, Alexandria Mary | SA | Merit | Agricultural Production | |
| 1212 | Wallace, Ewan Neil Verschuer | SA | Merit | English | |
| 1213 | Wallace, Ewan Neil Verschuer | SA | Merit | Mathematical Methods | |
| 1214 | Wallace, Ewan Neil Verschuer | SA | Merit | Physics | |
| 1215 | Wallace, Ewan Neil Verschuer | SA | Merit | Specialist Mathematics | |
| 1216 | Wallace, Sarah Jane | SA | Merit | English | |
| 1217 | Wallis, Ava | SA | Merit | Information Processing and Publishing | |
| 1218 | Walls, Chelsea | SA | Merit | Food and Hospitality | |
| 1219 | Wallwork, Isabella | SA | Merit | English | |
| 1220 | Wallwork, Isabella | SA | Merit | Physical Education | |
| 1221 | Walsh, Charles Thomas | SA | Merit | Economics | |
| 1222 | Walsh, Charles Thomas | SA | Merit | English | |
| 1223 | Walter, Hugo Charles Sawley | SA | Merit | Biology | |
| 1224 | Walter, Ned Henry Sawley | SA | Merit | Scientific Studies | |
| 1225 | Walton, Steven Bernard | SA | Merit | Material Solutions | |