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.
| 1259 | Xenikis, Antoni | SA | Merit | Physics | |
| 1260 | Xenikis, Antoni | SA | Merit | Research Project B | |
| 1261 | Xiao, Lulu | SA | Merit | Biology | |
| 1262 | Xu, Yaoyuan | SA | Merit | Mathematical Studies | |
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| 1263 | Yang, Harry | SA | Merit | Research Project B | |
| 1264 | Yap, Shi Jye | SA | Merit | English as Second Language Studies | |
| 1265 | Yip, Julius Chun Yin | SA | Merit | Physics | |
| 1266 | Young, Brooke Louise | SA | Merit | Business and Enterprise | |
| 1267 | Young, Brooke Louise | SA | Merit | Psychology | |
| 1268 | Young, Edward James | SA | Merit | Research Project B | |
| 1269 | Young, Emily Brooke | SA | Merit | Research Project B | |
| 1270 | Young, Mitchell | SA | Merit | Material Products II | |
| 1271 | Zaccari, Victoria Rose | SA | Merit | Geography | |
| 1272 | Zacharakis, Anna-Maria | SA | Merit | Accounting | |
| 1273 | Zacharakis, Anna-Maria | SA | Merit | Biology | |
| 1274 | Zacharakis, Anna-Maria | SA | Merit | Research Project B | |
| 1275 | Zannettino, Isabella Rose | SA | Merit | Psychology | |
| 1276 | Zareh, Noorline | SA | Merit | Food and Hospitality | |
| 1277 | Zerna, Chloe Fay Leila | SA | Merit | Mathematical Applications | |
| 1278 | Zerna, Chloe Fay Leila | SA | Merit | Psychology | |
| 1279 | Zientara, Nicole | SA | Merit | Information Processing and Publishing | |
| 1280 | Zupan, Natalya Emily | SA | Merit | English Studies | |