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.
| 1241 | Whitwell, Sophie Rose | SA | Merit | General Mathematics | |
| 1242 | Wiadrowski, Gisele | SA | Merit | Biology | |
| 1243 | Wiadrowski, Gisele | SA | Merit | Research Project B | |
| 1244 | Wicks, Zechariah James | SA | Merit | Ancient Studies | |
| 1245 | Wight, Tess | Tenison Woods College | Mount Gambier | Gov of SA SACE Award | |
| 1246 | Wightman, Maya Ede | SA | Merit | General Mathematics | |
| 1247 | Wild, Molly Caitlin | SA | Merit | Digital Communication Solutions | |
| 1248 | Wilde, Hannah | SA | Merit | Integrated Learning A | |
| 1249 | Wildman, Phoebe Elizabeth | SA | Merit | Food and Hospitality | |
| 1250 | Wildy, Jessica Louise | SA | Merit | Physical Education | |
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| 1251 | Wilkinson, Alana | SA | Merit | Research Project B | |
| 1252 | Will, Janay | SA | Merit | Research Project B | |
| 1253 | Will, Zack William | SA | Merit | Material Solutions | |
| 1254 | Williams, Jessica Kate | SA | Merit | Child Studies | |
| 1255 | Williams, Lily | SA | Merit | Health and Wellbeing | |
| 1256 | Willis, Mei Julie | SA | Merit | Digital Communication Solutions | |
| 1257 | Wilmot, Jaclyn | SA | Merit | English | |
| 1258 | Wilson, Eliza | SA | Merit | General Mathematics | |
| 1259 | Winter, Monique | SA | Merit | English Literary Studies | |
| 1260 | Wittwer, Hayden | SA | Merit | English | |
| 1261 | Wittwer, Hayden | SA | Merit | General Mathematics | |
| 1262 | Wong, Cheri | SA | Merit | Physics | |
| 1263 | Wong, Cheri | St Peters Girls School | Stonyfell | Gov of SA SACE Award | |
| 1264 | Wong, Tyren Chunrong | SA | Merit | Research Project B | |
| 1265 | Wood, Erin Tait | SA | Merit | Child Studies | |
| 1266 | Wood, Erin Tait | SA | Merit | English | |
| 1267 | Woods, Aston Bailey | SA | Merit | Visual Arts - Design | |
| 1268 | Woods, Monique | SA | Merit | General Mathematics | |
| 1269 | Woolley, Alyssa | SA | Merit | Biology | |
| 1270 | Woosnam, Isabella Mia | SA | Merit | Cross-Disciplinary Studies | |
| 1271 | Worswick, Dylan Roshan | SA | Merit | Mathematical Methods | |
| 1272 | Worswick, Dylan Roshan | SA | Merit | Physics | |
| 1273 | Worswick, Dylan Roshan | SA | Merit | Specialist Mathematics | |
| 1274 | Wuttke, Chantelle Grace | SA | Merit | Communication and the Community | |
| 1275 | Yassini, Hajar | SA | Merit | English | |
| 1276 | Yates, Aleisha | SA | Merit | General Mathematics | |
| 1277 | Yates, Jett | SA | Merit | Work and the Community | |
| 1278 | Yew, Bryan Yaan Kiit | SA | Merit | Creative Arts | |
| 1279 | Yin, Shanna | SA | Merit | Psychology | |
| 1280 | Yoong, Kate | SA | Merit | Chemistry | |
| 1281 | Young, Aika | SA | Merit | Japanese (Continuers) | |
| 1282 | Young, Caydi | SA | Merit | Research Project B | |
| 1283 | Young, Rose | SA | Merit | English | |
| 1284 | Young, Rose | SA | Merit | Physics | |
| 1285 | Yu, Angelina | SA | Merit | Religion Studies | |
| 1286 | Yu, Isabelle Sing Shian | SA | Merit | Music Performance - Solo | |
| 1287 | Yu, Isabelle Sing Shian | SA | Merit | Research Project B | |
| 1288 | Zada-Boatwright, Grace | SA | Merit | English | |
| 1289 | Zada-Boatwright, Grace | SA | Merit | Society and Culture | |
| 1290 | Zafar, Adeena | SA | Merit | Philosophy | |