This is the SACE Honour Roll, listing every award, merit or prize won by South Australian SACE students in 2015, along with their school and subject details.
The report also includes significant Australian national awards and prizes such as the Australian Student Prize.
| 1206 | Watson, Oscar Daniel | SA | Merit | Research Project B | |
| 1207 | Watts, Eliza Jane | SA | Merit | Research Project B | |
| 1208 | Wauchope, Arabella Muriel | SA | Merit | Material Products II | |
| 1209 | Weeding, Rochelle | SA | Merit | Food and Hospitality | |
| 1210 | Wei, Michael You-Hong | SA | Merit | Research Project B | |
| 1211 | Weir, Caprice Christina | SA | Merit | Mathematical Applications | |
| 1212 | Wells, Flyn Worth | SA | Merit | English Communications | |
| 1213 | Wells, Flyn Worth | SA | Merit | Geography | |
| 1214 | Wells, Flyn Worth | SA | Merit | Legal Studies | |
| 1215 | Wells, Flyn Worth | SA | Merit | Mathematical Methods | |
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| 1216 | Wells, Flyn Worth | SA | Merit | Research Project B | |
| 1217 | Wells, Flyn Worth | Pembroke School | Kensington Park | Gov of SA SACE Award | |
| 1218 | Westhead, Matilda Kate | SA | Merit | Outdoor Education | |
| 1219 | Westland, Kate | SA | Merit | Mathematical Applications | |
| 1220 | White, Sophie | SA | Merit | Mathematical Methods | |
| 1221 | Whittaker, Lane Reilly | SA | Merit | Mathematical Applications | |
| 1222 | Wiig, Rachael Anne Maria | SA | Merit | Research Project B | |
| 1223 | Wilczek, Emma | SA | Merit | Society and Culture | |
| 1224 | Wild, Cie-Ayn Belinda | SA | Merit | Biology | |
| 1225 | Wild, Cie-Ayn Belinda | SA | Merit | Visual Arts - Art | |
| 1226 | Wild, Jacinta Ellan | SA | Merit | Child Studies | |
| 1227 | Wild, Mikaela | SA | Merit | Food and Hospitality | |
| 1228 | Wilkinson, Anna Sachiko Turnbull | SA | Merit | Drama | |
| 1229 | Wilksch, Joseph | SA | Merit | Material Products I | |
| 1230 | Williams, Bethany Patricia | SA | Merit | Research Project B | |
| 1231 | Williams, Daniel Clyde | SA | Merit | Communication Products II | |
| 1232 | Williams, Emily | SA | Merit | Research Project B | |
| 1233 | Wilson-Beddoe, Nikita Therese | SA | Merit | English Communications | |
| 1234 | Wilson-Beddoe, Nikita Therese | SA | Merit | Research Project B | |
| 1235 | Winter, Holly May | SA | Merit | English Communications | |
| 1236 | Wishart, Amy | SA | Merit | English Communications | |
| 1237 | Withers, Max McKinnon | SA | Merit | Biology | |
| 1238 | Withers, Max McKinnon | SA | Merit | English Communications | |
| 1239 | Withers, Max McKinnon | SA | Merit | Mathematical Applications | |
| 1240 | Wittervan, Jaimee | SA | Merit | Physical Education | |
| 1241 | Wong, Edith | SA | Merit | Research Project B | |
| 1242 | Wong, Jasper Jie-Bo | SA | Merit | Chemistry | |
| 1243 | Wong, Jasper Jie-Bo | SA | Merit | Mathematical Studies | |
| 1244 | Wong, Jasper Jie-Bo | SA | Merit | Physics | |
| 1245 | Wong, Jasper Jie-Bo | SA | Merit | Specialist Mathematics | |
| 1246 | Wong, Kimberly Tze Wey | SA | Merit | Solo Performance | |
| 1247 | Wong, Tania Wen Shan | SA | Merit | Chemistry | |
| 1248 | Wong, Tania Wen Shan | SA | Merit | Mathematical Methods | |
| 1249 | Wong, Tania Wen Shan | SA | Merit | Research Project B | |
| 1250 | Wood, Emily Kate | SA | Merit | Solo Performance | |
| 1251 | Wood, Ryan Thomas | SA | Merit | German (Continuers) | |
| 1252 | Wood, Ryan Thomas | SA | Merit | Mathematical Studies | |
| 1253 | Wood, Ryan Thomas | SA | Prize: Goethe Prize | German | |
| 1254 | Woodall, Natasha | SA | Merit | Research Project B | |
| 1255 | Woods, Riley Morgan | SA | Merit | Research Project B | |