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.
| 1006 | Tomczak, Maciej | SA | Merit | Economics | |
| 1007 | Toop, Hamish David | SA | Merit | Design Practical | |
| 1008 | Tran, Minh Dac | SA | Merit | Biology | |
| 1009 | Tregeagle, Fiona Louise | SA | Merit | Geography Studies | |
| 1010 | Tregenza, Daix Nathanael | SA | Merit | Design and Technology Studies | |
| 1011 | Trengove, Jessica Beth | SA | Merit | Visual Arts Studies | |
| 1012 | Trenowden, Sophie Alexandra | SA | Merit | English Communications | |
| 1013 | Trenowden, Sophie Alexandra | SA | Merit | Studies of Societies | |
| 1014 | Treptow, Chloe Jane | SA | Merit | Music Individual Study | |
| 1015 | Trobbiani, Stephen John Skull | SA | Merit | Food and Hospitality Studies | |
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| 1016 | Tronnolone, Hayden | SA | Merit | Performance Special Study | |
| 1017 | Tucker, Emily | SA | Merit | Physical Education | |
| 1018 | Tucker, Sally Kate Radford | SA | Merit | Business Studies | |
| 1019 | Tucker, Sally Kate Radford | SA | Merit | Mathematical Applications | |
| 1020 | Turner, Emma Cherie | SA | Merit | Food and Hospitality Studies | |
| 1021 | Turner, Jacqueline Kate | SA | Merit | English Studies | |
| 1022 | Turner, Jacqueline Kate | SA | Merit | Physics | |
| 1023 | Turvey, Michelle Elizabeth | SA | Merit | Biology | |
| 1024 | Turvey, Michelle Elizabeth | SA | Merit | Physical Education | |
| 1025 | Tuske, David Gergely | SA | Merit | Arts and the Community | |
| 1026 | Tuske, David Gergely | SA | Merit | Solo Performance | |
| 1027 | Tyson, Brianna Elizabeth | SA | Merit | Vocational Studies B | |
| 1028 | Underwood, Sophie Jayne | SA | Merit | Chemistry | |
| 1029 | Underwood, Sophie Jayne | SA | Merit | English Studies | |
| 1030 | Underwood, Sophie Jayne | SA | Merit | Mathematical Studies | |
| 1031 | Underwood, Sophie Jayne | SA | Merit | Physics | |
| 1032 | Underwood, Sophie Jayne | SA | Merit | Specialist Mathematics | |
| 1033 | Underwood, Sophie Jayne | Wilderness School | Medindie | Australian Student Prize | |
| 1034 | Valenzisi, Joseph | SA | Merit | Technology and the Community I | |
| 1035 | Van Der Wijngaart, Michael | SA | Merit | Mathematical Studies | |
| 1036 | Van Der Wijngaart, Michael | SA | Merit | Specialist Mathematics | |
| 1037 | Van Manen, Scott | SA | Merit | Ensemble Performance | |
| 1038 | Van Manen, Scott | SA | Merit | Solo Performance | |
| 1039 | Vantagiato, Ivan | SA | Merit | Italian (Continuers) | |
| 1040 | Vantagiato, Ivan | SA | Prize: Co-ordinating Italian Committee Prize | Italian | |
| 1041 | Varney, Jason Paul | SA | Merit | Design, Construction and the Community | |
| 1042 | Vassallo, Annalisa | SA | Merit | Electronic Publishing | |
| 1043 | Velardo, Stefania | SA | Merit | Ensemble Performance | |
| 1044 | Versace, Monique | SA | Merit | Information Technology Studies | |
| 1045 | Vo, Quoc | SA | Merit | Chemistry | |
| 1046 | Vo, Quoc | SA | Merit | Mathematical Studies | |
| 1047 | Vu, An Van | SA | Merit | Chemistry | |
| 1048 | Vu, An Van | SA | Merit | English Communications | |
| 1049 | Vu, An Van | SA | Merit | Physics | |
| 1050 | Vu, An Van | Wilderness School | Medindie | 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 | |