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.
| 1218 | Warnock, Charlotte | SA | Merit | Food and Hospitality | |
| 1219 | Warnock, Charlotte | SA | Merit | Modern History | |
| 1220 | Warnock, Charlotte | SA | Merit | Psychology | |
| 1221 | Warrick, Samuel Fraser | SA | Merit | Geography | |
| 1222 | Watters, Hannah Lee | SA | Merit | English | |
| 1223 | Watters, Hannah Lee | SA | Merit | Workplace Practices | |
| 1224 | Watts, Raine Abel | SA | Merit | Biology | |
| 1225 | Watts, Raine Abel | SA | Merit | Research Project B | |
| 1226 | Wearing, Nate Elliot | SA | Merit | Biology | |
| 1227 | Weatherstone, Jasper | SA | Merit | Research Project B | |
| |
|||||
| 1228 | Webb, Charlee | SA | Merit | Psychology | |
| 1229 | Webb, Emma Joan | SA | Merit | Child Studies | |
| 1230 | Webster Arbizu, Tomas | SA | Merit | Politics, Power and People | |
| 1231 | Webster Arbizu, Tomas | SA | Merit | Research Project B | |
| 1232 | Wechalekar, Gauri | SA | Merit | English | |
| 1233 | Wechalekar, Gauri | SA | Merit | Mathematical Methods | |
| 1234 | Wechalekar, Gauri | SA | Merit | Research Project B | |
| 1235 | Weiss, Jemma Lily | SA | Merit | Modern History | |
| 1236 | Wells, Vincent Carroll | SA | Merit | General Mathematics | |
| 1237 | West, Patrick Robinson | SA | Merit | Digital Communication Solutions | |
| 1238 | Western, Fraser | SA | Merit | Material Solutions | |
| 1239 | Whitbread, Cooper | Modbury High School | Modbury | Gov of SA SACE Award | |
| 1240 | Whitehead, Shannon Elizabeth | SA | Merit | Industry and Entrepreneurial Solutions | |
| 1241 | Whitford, Elliot Taunton | SA | Merit | Research Project B | |
| 1242 | Whitwell, Sophie Rose | SA | Merit | General Mathematics | |
| 1243 | Wiadrowski, Gisele | SA | Merit | Biology | |
| 1244 | Wiadrowski, Gisele | SA | Merit | Research Project B | |
| 1245 | Wicks, Zechariah James | SA | Merit | Ancient Studies | |
| 1246 | Wight, Tess | Tenison Woods College | Mount Gambier | Gov of SA SACE Award | |
| 1247 | Wightman, Maya Ede | SA | Merit | General Mathematics | |
| 1248 | Wild, Molly Caitlin | SA | Merit | Digital Communication Solutions | |
| 1249 | Wilde, Hannah | SA | Merit | Integrated Learning A | |
| 1250 | Wildman, Phoebe Elizabeth | SA | Merit | Food and Hospitality | |
| 1251 | Wildy, Jessica Louise | SA | Merit | Physical Education | |
| 1252 | Wilkinson, Alana | SA | Merit | Research Project B | |
| 1253 | Will, Janay | SA | Merit | Research Project B | |
| 1254 | Will, Zack William | SA | Merit | Material Solutions | |
| 1255 | Williams, Jessica Kate | SA | Merit | Child Studies | |
| 1256 | Williams, Lily | SA | Merit | Health and Wellbeing | |
| 1257 | Willis, Mei Julie | SA | Merit | Digital Communication Solutions | |
| 1258 | Wilmot, Jaclyn | SA | Merit | English | |
| 1259 | Wilson, Eliza | SA | Merit | General Mathematics | |
| 1260 | Winter, Monique | SA | Merit | English Literary Studies | |
| 1261 | Wittwer, Hayden | SA | Merit | English | |
| 1262 | Wittwer, Hayden | SA | Merit | General Mathematics | |
| 1263 | Wong, Cheri | SA | Merit | Physics | |
| 1264 | Wong, Cheri | St Peters Girls School | Stonyfell | Gov of SA SACE Award | |
| 1265 | Wong, Tyren Chunrong | SA | Merit | Research Project B | |
| 1266 | Wood, Erin Tait | SA | Merit | Child Studies | |
| 1267 | Wood, Erin Tait | SA | Merit | English | |