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.
| 1234 | Webb, Olivia Cate | SA | Merit | Mathematical Methods | |
| 1235 | Webb, Peter Alexander | SA | Merit | Research Project B | |
| 1236 | Weber, Grace Anne | SA | Merit | Business and Enterprise | |
| 1237 | Wedd, Chloe Anne | SA | Merit | English | |
| 1238 | Wedd, Chloe Anne | SA | Merit | Research Project B | |
| 1239 | Weetra, Wesley | SA | Merit | English | |
| 1240 | Weetra, Wesley | SA | Merit | Health | |
| 1241 | Weetra, Wesley | Cardijn College Marian Campus | Noarlunga Downs | Gov of SA SACE Award | |
| 1242 | Wehr, Isabella Emily | SA | Merit | Biology | |
| 1243 | Wehr, Isabella Emily | SA | Merit | English | |
| 1244 | Weniton, Ethan | SA | Merit | Digital Technologies | |
| 1245 | Wentrock, Paul | SA | Merit | Material Solutions | |
| 1246 | West, Jordan | SA | Merit | English | |
| 1247 | Westgarth, Ethan Jack | SA | Merit | Material Solutions | |
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| 1248 | Westley, Elyse Kate | SA | Merit | Child Studies | |
| 1249 | White, Ethan | SA | Merit | Creative Arts | |
| 1250 | White, Ethan | SA | Merit | Integrated Learning B | |
| 1251 | White, Luka | SA | Merit | Religion Studies | |
| 1252 | White, Luka | SA | Merit | Research Project A | |
| 1253 | Whitmore, Mason | SA | Merit | Robotic and Electronic Systems | |
| 1254 | Whitmore, Mason | SA | Merit | Visual Arts - Design | |
| 1255 | Wiadrowski, Gisele | SA | Merit | Physical Education | |
| 1256 | Wijnands, Nina Iva | SA | Merit | Legal Studies | |
| 1257 | Wilson, Georgina | SA | Merit | Research Project B | |
| 1258 | Wilson-Shaw, Imogen | SA | Merit | Research Project B | |
| 1259 | Wolff, Katherine Alexandra | SA | Merit | Psychology | |
| 1260 | Wolff, Katherine Alexandra | SA | Merit | Scientific Studies | |
| 1261 | Wong, Cheri | SA | Merit | Music Performance - Ensemble | |
| 1262 | Wong, Cheri | St Peters Girls School | Stonyfell | Prize: Don Maynard Music Prize | Music |
| 1263 | Wong, Jonathan Kang Cheng | SA | Merit | Chemistry | |
| 1264 | Wong, Jonathan Kang Cheng | SA | Merit | Research Project B | |
| 1265 | Wong, Jonathan Kang Cheng | SA | Merit | Workplace Practices | |
| 1266 | Woodroffe, Charlotte Stephanie | SA | Merit | English | |
| 1267 | Wooldridge, Jessie Louise | SA | Merit | Essential Mathematics | |
| 1268 | Woolfall, Emilie May | SA | Merit | Outdoor Education | |
| 1269 | Woolford, Bianca Marie | SA | Merit | Creative Arts | |
| 1270 | Wright, Alicia Anmei | SA | Merit | Legal Studies | |
| 1271 | Wright, Alicia Anmei | SA | Merit | Research Project B | |
| 1272 | Wright, Chloe | SA | Merit | Research Project B | |
| 1273 | Wyness, Alice Lily | SA | Merit | Outdoor Education | |
| 1274 | Yadlapalli, Keerthi Prabha | SA | Merit | Research Project B | |
| 1275 | Yang, Emy | SA | Merit | Mathematical Methods | |
| 1276 | Yang, Luming | SA | Merit | Chemistry | |
| 1277 | Yang, Luming | SA | Merit | English as an Additional Language | |
| 1278 | Yates, Lachlan Andrew | SA | Merit | Physical Education | |
| 1279 | Ye, Weiting | SA | Merit | Specialist Mathematics | |
| 1280 | Yeoh, Peter Pei Sheng | SA | Merit | Mathematical Methods | |
| 1281 | Yeow, Eleanor Ren Yan | SA | Merit | Physics | |
| 1282 | Yeung, Anne Puiyan | SA | Merit | Creative Arts | |
| 1283 | Young, Solomon | SA | Merit | Music Performance - Solo | |
| 1284 | Zaman, Mayra | SA | Merit | English | |
| 1285 | Zaman, Mayra | SA | Merit | Research Project B | |
| 1286 | Zeman, Tiali | SA | Merit | Research Project B | |
| 1287 | Zhang, Dyllan | SA | Merit | Mathematical Methods | |
| 1288 | Zhang, Dyllan | SA | Merit | Specialist Mathematics | |
| 1289 | Zhang, Junzhe | SA | Merit | Biology | |
| 1290 | Zhang, Junzhe | SA | Merit | Mathematical Methods | |
| 1291 | Zhang, Mu | SA | Merit | Biology | |
| 1292 | Zhang, Mu | SA | Merit | Chemistry | |
| 1293 | Zhang, Mu | SA | Merit | Mathematical Methods | |
| 1294 | Zhang, Victoria | SA | Merit | English | |
| 1295 | Zhang, Victoria | SA | Merit | Mathematical Methods | |
| 1296 | Zhang, Victoria | SA | Merit | Research Project B | |
| 1297 | Zhang, Yichu | SA | Merit | Material Solutions | |
| 1298 | Zhao, Catherine Xian | SA | Merit | English | |
| 1299 | Zhao, Rune Chi | SA | Merit | Biology | |
| 1300 | Zhao, Yifan | SA | Merit | Chemistry | |
| 1301 | Zhao, Yifan | SA | Merit | Mathematical Methods | |
| 1302 | Zhao, Yifan | SA | Merit | Specialist Mathematics | |
| 1303 | Zhou, Qian Ru | SA | Merit | Chemistry | |
| 1304 | Zwijnenburg, David | SA | Merit | Physics | |