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.
| 1223 | Wade, Natasha | SA | Merit | Physical Education | |
| 1224 | Wakefield, Katherine Jane | SA | Merit | Biology | |
| 1225 | Wakefield, Katherine Jane | SA | Merit | Chemistry | |
| 1226 | Wakefield, Katherine Jane | SA | Merit | Geography Studies | |
| 1227 | Wakefield, Katherine Jane | SA | Merit | Mathematical Studies | |
| 1228 | Wakefield, Katherine Jane | Seymour College | Glen Osmond | Australian Student Prize | |
| 1229 | Walasek, Jenna Lee | SA | Merit | Food and Hospitality | |
| 1230 | Walkden, Sarah | SA | Merit | Mathematical Applications | |
| 1231 | Walker, Claire | SA | Prize: Hardwicke College Prize | Biology | |
| 1232 | Walker, Claire Mary | SA | Merit | Biology | |
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| 1233 | Walker, Claire Mary | SA | Merit | Chemistry | |
| 1234 | Walker, Claire Mary | SA | Merit | Performance Special Study | |
| 1235 | Walker, Claire Mary | SA | Merit | Physics | |
| 1236 | Walker, Claire Mary | SA | Merit | Specialist Mathematics | |
| 1237 | Walker, Hayley Louise | SA | Merit | Biology | |
| 1238 | Walker, Hayley Louise | SA | Merit | Geography Studies | |
| 1239 | Walker, Hayley Louise | SA | Merit | Physical Education | |
| 1240 | Walker, Hayley Louise | SA | Merit | Physics | |
| 1241 | Walker, Hayley Louise | Walford Anglican School for Girls | Hyde Park | Australian Student Prize | |
| 1242 | Walker, Kristal Elizabeth | SA | Merit | Nutrition and Lifestyle | |
| 1243 | Wallace, Claire Suzanne | SA | Merit | English Studies | |
| 1244 | Wanstall, Sophie Jane | SA | Merit | Lifestyles and the Community | |
| 1245 | Ward, Nancy Kate | SA | Merit | Mathematics and the Community | |
| 1246 | Warneke, Richard Dane | SA | Merit | Information Technology Studies | |
| 1247 | Warren, Andrew Donald | SA | Merit | Economics | |
| 1248 | Warwick, Cristina Caroline | SA | Merit | Business Studies | |
| 1249 | Warwick, Cristina Caroline | SA | Merit | English Communications | |
| 1250 | Warwick, Cristina Caroline | SA | Merit | Mathematical Applications | |
| 1251 | Watson, Amy Joy | SA | Merit | Art Practical | |
| 1252 | Watson, Carol Patricia | SA | Merit | Mathematical Studies | |
| 1253 | Watson, Edwina | SA | Prize: Tennyson Medal | English Studies | |
| 1254 | Watson, Edwina Mary | SA | Merit | Biology | |
| 1255 | Watson, Edwina Mary | SA | Merit | Economics | |
| 1256 | Watson, Edwina Mary | SA | Merit | English Studies | |
| 1257 | Watson, Edwina Mary | SA | Merit | Modern History | |
| 1258 | Watson, Maggie Palmer | SA | Merit | Visual Arts Studies | |
| 1259 | Watson, Melissa Elizabeth Rose | SA | Merit | Accounting Studies | |
| 1260 | Watson, Melissa Elizabeth Rose | SA | Merit | Economics | |
| 1261 | Wauchope, Amy Lael | SA | Merit | Solo Performance | |
| 1262 | Weaver, Lynn | SA | Merit | People and Textiles | |
| 1263 | Webb, Jessica Anne | SA | Merit | Physical Education | |
| 1264 | Weber, Kimberlee Ann | SA | Merit | Community Work II | |
| 1265 | Weetra, Tony Kevin | SA | Merit | Foods and the Community | |
| 1266 | Wells, William | SA | Merit | Construction Technology | |
| 1267 | Welsh, Kirsty Louise | SA | Merit | Performance Special Study | |
| 1268 | Whelan, Benjamin James | SA | Merit | Chemistry | |
| 1269 | Whelan, Benjamin James | SA | Merit | Mathematical Studies | |
| 1270 | Whelan, Benjamin James | SA | Merit | Physics | |
| 1271 | Whelan, Benjamin James | SA | Merit | Specialist Mathematics | |
| 1272 | Whelan, Benjamin James | Brighton Secondary School | North Brighton | Australian Student Prize | |