This is the SACE Honour Roll, listing every award, merit or prize won by South Australian SACE students in 2015, along with their school and subject details.
The report also includes significant Australian national awards and prizes such as the Australian Student Prize.
| 1085 | Steen, Jack Benjamin | SA | Merit | Biology | |
| 1086 | Steen, Jack Benjamin | SA | Merit | Geography | |
| 1087 | Steen, Jack Benjamin | SA | Prize: John Lewis Medal and Prize | Geography | |
| 1088 | Stephens, Anais | SA | Merit | Research Project B | |
| 1089 | Stevens, Jacinta | SA | Merit | Research Project B | |
| 1090 | Stevens, Paige | SA | Merit | Information Processing and Publishing | |
| 1091 | Stewart, Jack Thomas | SA | Merit | Research Project B | |
| 1092 | Stimson, Alec Hamish | SA | Merit | Research Project B | |
| 1093 | Stocker Johns, Ricky Gordon | SA | Merit | Research Project B | |
| 1094 | Stocker-Johns, Ricky Gordon | Glossop High School | Glossop | Gov of SA SACE Award | |
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| 1095 | Stokes, Jonathan Matthew | SA | Merit | Business and Enterprise | |
| 1096 | Stokes, Jonathan Matthew | SA | Merit | Society and Culture | |
| 1097 | Strange, Brooke Paige | SA | Merit | English Communications | |
| 1098 | Su, Jen | SA | Merit | Biology | |
| 1099 | Summerton, Madeleine Kate | SA | Merit | Mathematical Applications | |
| 1100 | Sumner, William Edward | SA | Merit | Visual Arts - Design | |
| 1101 | Sunny, Linda | SA | Merit | Physics | |
| 1102 | Sunter, Jacob | SA | Merit | English Studies | |
| 1103 | Suresh, Sanjit | SA | Merit | Chemistry | |
| 1104 | Suresh, Sanjit | SA | Merit | Mathematical Studies | |
| 1105 | Suter, Isabella | SA | Merit | Research Project B | |
| 1106 | Sutton, Ella Grace | SA | Merit | Geography | |
| 1107 | Sutton, Ella Grace | SA | Merit | Mathematical Applications | |
| 1108 | Sutton, Emma Grace | SA | Merit | Workplace Practices | |
| 1109 | Sutton, Jessica Ann | SA | Merit | Research Project B | |
| 1110 | Swanbury, Isabelle Ellen | SA | Merit | Child Studies | |
| 1111 | Swincer, Nathan Peter | SA | Merit | Chemistry | |
| 1112 | Swincer, Nathan Peter | SA | Merit | Physics | |
| 1113 | Szabo, Hamish | SA | Merit | Mathematical Applications | |
| 1114 | Szulc, Jessica | SA | Merit | Psychology | |
| 1115 | Tabe, Winona | SA | Merit | Mathematical Applications | |
| 1116 | Talbot, Danielle | SA | Merit | Business and Enterprise | |
| 1117 | Talbot, Danielle | SA | Merit | Research Project B | |
| 1118 | Talbot, Danielle | SA | Merit | Society and Culture | |
| 1119 | Taliangis, Emily | SA | Merit | Research Project B | |
| 1120 | Tan, Amanda Wan Ting | SA | Merit | Biology | |
| 1121 | Tang, Victoria Tianqi | SA | Merit | Nutrition | |
| 1122 | Taras, Ruby-Mae Redmond | SA | Merit | English Communications | |
| 1123 | Tattersall, Linnea Stephanie | SA | Merit | Mathematical Applications | |
| 1124 | Tatton, Charlotte Ashleigh | SA | Merit | Research Project B | |
| 1125 | Taylerson-Lilley, Kirra Louise | SA | Merit | Research Project B | |
| 1126 | Taylor, Alice | SA | Merit | Mathematical Applications | |
| 1127 | Taylor, D'Arcy | SA | Merit | Modern History | |
| 1128 | Taylor, D'Arcy | SA | Merit | Research Project B | |
| 1129 | Taylor, Daniel Stephan | SA | Merit | Material Products I | |
| 1130 | Taylor, Hamish | SA | Merit | Material Products I | |
| 1131 | Temby, Nathanial Jaydon | SA | Merit | Research Project B | |
| 1132 | Thoman, Harrison Max | SA | Merit | Workplace Practices | |
| 1133 | Thomas, Dylan Leslie | SA | Merit | Communication Products I | |
| 1134 | Thomas, Elaine | SA | Merit | French (Continuers) | |