This is the SACE Honour Roll, listing every award, merit or prize won by South Australian SACE students in 2005, along with their school and subject details.
The report also includes significant Australian national awards and prizes such as the Australian Student Prize.
| 1051 | Wade, Victoria Louise | SA | Merit | Classical Studies | |
| 1052 | Wade, Victoria Louise | SA | Merit | English Studies | |
| 1053 | Wait, Abbie | SA | Merit | Music Individual Study | |
| 1054 | Wallace, Jeannette | SA | Merit | Food and Hospitality Studies | |
| 1055 | Wallman, Susannah Jane | SA | Merit | Visual Arts Studies | |
| 1056 | Walter, Jemma Clare | SA | Merit | Music Individual Study | |
| 1057 | Wang, Jiapei | SA | Merit | Mathematical Studies | |
| 1058 | Wang, Jiapei | SA | Merit | Specialist Mathematics | |
| 1059 | Wang, Jimmy | SA | Merit | English as a Second Language | |
| 1060 | Wang, Kevin | SA | Merit | English as a Second Language | |
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| 1061 | Wang, Kevin | SA | Merit | Mathematical Studies | |
| 1062 | Ward, Lauren Emily | SA | Merit | Tourism | |
| 1063 | Watkin, Amanda Shea | SA | Merit | Mathematical Studies | |
| 1064 | Watson, Katherine | SA | Merit | English Studies | |
| 1065 | Watson, Ty | SA | Merit | Physical Education | |
| 1066 | Webb, Naomi | SA | Merit | Visual Arts Studies | |
| 1067 | Weedall, Gemma Ann | SA | Merit | Solo Performance | |
| 1068 | Weekley, Claire Marie | SA | Merit | English Studies | |
| 1069 | Weekley, Claire Marie | SA | Merit | Physical Education | |
| 1070 | Weekley, Claire Marie | SA | Merit | Physics | |
| 1071 | White, Brianna | SA | Merit | Chemistry | |
| 1072 | White, Brianna | SA | Merit | Mathematical Studies | |
| 1073 | White, Brianna | SA | Merit | Physics | |
| 1074 | White, Joshua Peter | SA | Merit | Information Technology Studies | |
| 1075 | White, Joshua Peter | SA | Merit | Justice in Society | |
| 1076 | White, Sarah Catherine | SA | Merit | Communication Products A | |
| 1077 | Whitley, Sharon | SA | Merit | Arts and the Community I | |
| 1078 | Wiebrecht, Kelly Megan | SA | Merit | Australian History | |
| 1079 | Wiebrecht, Kelly Megan | SA | Prize: Annie Montgomerie Martin Prize and Medal for Modern History | Modern History | |
| 1080 | Wiencke, Rachacia Christine | SA | Merit | Music Individual Study | |
| 1081 | Wilkie, Karli | SA | Merit | Health, Recreation and the Community | |
| 1082 | Wilkinson, Rose-Marie Alyce | SA | Merit | English Communications | |
| 1083 | Wilkinson, Rose-Marie Alyce | SA | Merit | Studies of Societies | |
| 1084 | Wilksch, Jarrod | SA | Merit | Business Studies | |
| 1085 | Wilksch, Jarrod | SA | Merit | Legal Studies | |
| 1086 | Williams, Brett Michael | SA | Merit | Ensemble Performance | |
| 1087 | Williams, Brett Michael | SA | Merit | Solo Performance | |
| 1088 | Williams, Christopher Paul | SA | Merit | Mathematical Studies | |
| 1089 | Williams, Elyse | SA | Merit | English Studies | |
| 1090 | Williams, Elyse Joy | SA | Merit | Psychology | |
| 1091 | Williams, Erica June | SA | Merit | English Communications | |
| 1092 | Williams, Erica June | SA | Merit | Geography Studies | |
| 1093 | Williams, Erica June | SA | Merit | Visual Arts Studies | |
| 1094 | Williams, Jason | SA | Merit | Performance Special Study | |
| 1095 | Willis, Thomas Everard | SA | Merit | Mathematical Studies | |
| 1096 | Wilson, Dale Robert | SA | Merit | Material Products A | |
| 1097 | Wilson, David | SA | Merit | Accounting Studies | |
| 1098 | Wilson, Jessica Bronwyn | SA | Merit | Design, Construction and the Community | |
| 1099 | Wilson, Kate Alana | SA | Merit | English Communications | |
| 1100 | Wilson, Ryan William | SA | Merit | Design Practical | |