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.
| 951 | Spring, Elizabeth Kate | SA | Merit | Communication Products A | |
| 952 | Spring, Elizabeth Kate | SA | Merit | Physical Education | |
| 953 | Stacey, Jasmin Leah | SA | Merit | Biology | |
| 954 | Stanley, Georgina Kate | SA | Merit | English Communications | |
| 955 | Stanley, Georgina Kate | SA | Merit | Visual Arts Studies | |
| 956 | Stanton, Brady Rhys | SA | Merit | German (Continuers) | |
| 957 | Stein, Kyra Danielle | SA | Merit | Communication and the Community | |
| 958 | Stephenson, Emma Louise | SA | Merit | Solo Performance | |
| 959 | Stevens, Bradley | SA | Merit | Design, Construction and the Community I | |
| 960 | Stevens, Donna | SA | Merit | Mathematical Applications | |
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| 961 | Stevens, Scott William | SA | Merit | Tourism | |
| 962 | Stevens, Tess Krista | SA | Merit | Geography Studies | |
| 963 | Stevens, Tess Krista | SA | Merit | Mathematical Applications | |
| 964 | Storer, Edwina Mary | SA | Merit | English Communications | |
| 965 | Stuckey, Fiona Mary | SA | Merit | Music Individual Study | |
| 966 | Stuckey, Madeleine Prue | SA | Merit | Mathematical Methods | |
| 967 | Suganda, Vivi Octavia | SA | Merit | Indonesian (Continuers) | |
| 968 | Sun, Wai Ling (Emily) | SA | Merit | Chemistry | |
| 969 | Sun, Wai Ling (Emily) | SA | Merit | Mathematical Studies | |
| 970 | Sun, Wai Ling (Emily) | SA | Merit | Specialist Mathematics | |
| 971 | Sutherland, Anna Louise | SA | Merit | Food and Hospitality Studies | |
| 972 | Sverdloff, Nicholas | SA | Merit | Solo Performance | |
| 973 | Sweeney, Nicola Anne | SA | Merit | English Communications | |
| 974 | Sylvia, Christopher | SA | Merit | English Studies | |
| 975 | Szewczyk, Hannah Kate | SA | Merit | Biology | |
| 976 | Tanner, Mahalia Rose | SA | Merit | Studies of Societies | |
| 977 | Tashkent, Yasmina | SA | Merit | English Studies | |
| 978 | Taylor, Samuel David | SA | Merit | Biology | |
| 979 | Taylor, Samuel David | SA | Merit | English Studies | |
| 980 | Taylor, Samuel David | SA | Merit | Geography Studies | |
| 981 | Telfer, Carolyn | SA | Merit | Early Childhood Studies | |
| 982 | Temlett, Julia Kathryn | SA | Merit | English Communications | |
| 983 | Temple-Fechner, Jessica Lee | SA | Merit | Lifestyle and the Community I | |
| 984 | Tengdahl, Jakub Desmond | SA | Merit | Ensemble Performance | |
| 985 | Tengdahl, Jakub Desmond | SA | Merit | Music Individual Study | |
| 986 | Thai, Loc Phuoc | SA | Merit | Chemistry | |
| 987 | Thai, Loc Phuoc | SA | Merit | Physics | |
| 988 | Thomas, Hannah de Rose | SA | Merit | English Communications | |
| 989 | Thomas, Hannah de Rose | SA | Merit | Solo Performance | |
| 990 | Thomas, Holly Ellen | SA | Merit | Solo Performance | |
| 991 | Thomas, Madeleine Georgina | SA | Merit | Biology | |
| 992 | Thomas, Madeleine Georgina | SA | Merit | Geography Studies | |
| 993 | Thompson, Hannah Elizabeth | SA | Merit | Psychology | |
| 994 | Thompson, Lee Robert | SA | Merit | Musicianship | |
| 995 | Thorburn, Megan Jane | SA | Merit | Solo Performance | |
| 996 | Thrum, Sallie-Ann | SA | Merit | English Studies | |
| 997 | Tidswell, Jessica Kate | SA | Merit | Biology | |
| 998 | Tidswell, Jessica Kate | SA | Merit | Drama Studies | |
| 999 | Tidswell, Jessica Kate | SA | Merit | English Studies | |
| 1000 | Tidswell, Jessica Kate | SA | Merit | Nutrition | |