This is the SACE Honour Roll, listing every award, merit or prize won by South Australian SACE students in 2003, along with their school and subject details.
The report also includes significant Australian national awards and prizes such as the Australian Student Prize.
| 1300 | Wilton, Allison Victoria | SA | Merit | Dance Studies | |
| 1301 | Winch, Jessica Beryl | SA | Merit | Biology | |
| 1302 | Winch, Jessica Beryl | SA | Merit | Nutrition | |
| 1303 | Wingard, Jessie Leah | SA | Merit | Business Documents | |
| 1304 | Wisdom, Matthew Allan | SA | Merit | English Studies | |
| 1305 | Wise, Alexandra | SA | Merit | English Studies | |
| 1306 | Wittholz, Lisa Michelle | SA | Merit | The Arts and the Community | |
| 1307 | Wong, Christopher Xin Jie | SA | Merit | Mathematical Studies | |
| 1308 | Wong, Christopher Xin Jie | SA | Merit | Solo Performance | |
| 1309 | Wong, Christopher Xin Jie | SA | Merit | Specialist Mathematics | |
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| 1310 | Wong, Daniel | SA | Merit | Mathematical Studies | |
| 1311 | Wong, Samuel Teck Ern | SA | Merit | Chemistry | |
| 1312 | Wong, Samuel Teck Ern | SA | Merit | English as Second Language Studies | |
| 1313 | Wong, Samuel Teck Ern | SA | Merit | Mathematical Studies | |
| 1314 | Wong, Samuel Teck Ern | SA | Merit | Physics | |
| 1315 | Wong, Samuel Teck Ern | Norwood Morialta High School | Magill | Australian Student Prize | |
| 1316 | Woo, Sindy | SA | Merit | Accounting Studies | |
| 1317 | Woo, Sindy | SA | Merit | Mathematical Studies | |
| 1318 | Wood, Heidi | SA | Merit | Physical Education | |
| 1319 | Woodbridge, Sarah Danielle | SA | Merit | Child Studies | |
| 1320 | Woods, Andrea Lee | SA | Merit | Lifestyles and the Community | |
| 1321 | Woods, Andrea Lee | SA | Merit | The Arts and the Community | |
| 1322 | Woollett, Lachlan | SA | Merit | Health, Recreation and the Community | |
| 1323 | Wright, Thomas Andrew | SA | Merit | Physical Education | |
| 1324 | Wycherley, Angus David | SA | Merit | Mathematical Studies | |
| 1325 | Xu, Huan Rong | SA | Merit | Mathematical Studies | |
| 1326 | Xu, Huan Rong | SA | Merit | Specialist Mathematics | |
| 1327 | Xu, Robert Bo | SA | Merit | Mathematical Studies | |
| 1328 | Xu, Robert Bo | SA | Merit | Physics | |
| 1329 | Xu, Robert Bo | SA | Merit | Specialist Mathematics | |
| 1330 | Yamamoto, Mariko | SA | Merit | Japanese (Continuers) | |
| 1331 | Yang, Meng | SA | Merit | Chinese (Background Speakers) | |
| 1332 | Yapp, Kehn Enn | SA | Merit | Physics | |
| 1333 | Yapp, Kehn Enn | SA | Merit | Specialist Mathematics | |
| 1334 | Yip, Wing Yin | SA | Merit | Physics | |
| 1335 | Young, Shelley Renee | SA | Merit | Tourism | |
| 1336 | Yu, Raymond | SA | Prize: Australian Institute of Physics Prize - Bronze Bragg Medal | Physics | |
| 1337 | Yu, Raymond | SA | Prize: OneSteel Prize and Medal for Mathematics, Physics, and Chemistry | ||
| 1338 | Yu, Raymond | SA | Prize: Way College Prize and Medal | Chemistry | |
| 1339 | Yu, Raymond Wei | SA | Merit | Chemistry | |
| 1340 | Yu, Raymond Wei | SA | Merit | English Studies | |
| 1341 | Yu, Raymond Wei | SA | Merit | Mathematical Studies | |
| 1342 | Yu, Raymond Wei | SA | Merit | Physics | |
| 1343 | Yu, Raymond Wei | SA | Merit | Specialist Mathematics | |
| 1344 | Yu, Raymond Wei | St Michaels College | Henley Beach | Australian Student Prize | |
| 1345 | Zanker, David | SA | Merit | Information Technology Studies | |
| 1346 | Zeleny, Diana | SA | Prize: Economics Teachers Society of SA Prize | Economics | |
| 1347 | Zeleny, Diana Maria | SA | Merit | Economics | |
| 1348 | Zeleny, Diana Maria | SA | Merit | Modern History | |
| 1349 | Zeleny, Diana Maria | SA | Merit | Politics | |