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.
| 1073 | Slater, Derek Henry | SA | Merit | The Arts and the Community | |
| 1074 | Slattery, Henry William | SA | Merit | Physical Education | |
| 1075 | Slipper, Bridget Alison | SA | Merit | Music in Society | |
| 1076 | Sloan, Todd James | SA | Merit | Design, Construction and the Community | |
| 1077 | Smiley, Stephen James | SA | Merit | French (Continuers) | |
| 1078 | Smith, Andre Nicol | SA | Merit | Vocational Studies A | |
| 1079 | Smith, Gavin Sydney | SA | Merit | Information Technology Studies | |
| 1080 | Smith, Gavin Sydney | SA | Merit | Mathematical Studies | |
| 1081 | Smith, Gavin Sydney | SA | Merit | Small Business Enterprise | |
| 1082 | Smith, Julie May | SA | Merit | Mathematical Applications | |
| |
|||||
| 1083 | Smith, Philippa Catherine | SA | Merit | English Communications | |
| 1084 | Solomon-Bridge, Alice Rachel | SA | Merit | Food and Hospitality | |
| 1085 | Soper, Taegan Jane | SA | Merit | Mathematical Applications | |
| 1086 | Soppitt, Emily Sarah | SA | Merit | Visual Arts Studies | |
| 1087 | South, Andrew | SA | Merit | Geography Studies | |
| 1088 | Sprod, George Reginald | SA | Merit | Geography Studies | |
| 1089 | Stamper, Veronica Anne | SA | Merit | Foods and the Community | |
| 1090 | Stamper, Veronica Anne | SA | Merit | Lifestyles and the Community | |
| 1091 | Stamper, Veronica Anne | SA | Merit | The Arts and the Community | |
| 1092 | Stamper, Veronica Anne | SA | Merit | The Community and the Environment | |
| 1093 | Stankovic, Elida | SA | Merit | Classical Studies | |
| 1094 | Stanley, Claire Louise | SA | Merit | Visual Arts Studies | |
| 1095 | Stanton, Danielle | SA | Merit | Vocational Studies A | |
| 1096 | Starick, Zoe | SA | Merit | Business Documents | |
| 1097 | Starick, Zoe | SA | Merit | English Communications | |
| 1098 | Stephenson, Tanya Nicole | SA | Merit | Business Documents | |
| 1099 | Stewart, Benjamin | SA | Merit | Accounting Studies | |
| 1100 | Stewart, Benjamin | SA | Merit | Mathematical Studies | |
| 1101 | Stock, Anna Louise | SA | Merit | English Communications | |
| 1102 | Stoilas, Kelly | SA | Prize: Australian Hellenic Educational Progressive Association Prize | Modern Greek | |
| 1103 | Stoilas, Kelly Marie | SA | Merit | Modern Greek (Continuers) | |
| 1104 | Stolz, Nathan Geoffrey | SA | Merit | Mathematical Studies | |
| 1105 | Stolz, Nathan Geoffrey | SA | Merit | Physics | |
| 1106 | Stoner, Alexandra Louise | SA | Merit | Tourism | |
| 1107 | Stringer, Jessica Kate | SA | Merit | Child Studies | |
| 1108 | Stringer, Jessica Kate | SA | Merit | Vocational Studies A | |
| 1109 | Stringer, Leisa Marie | SA | Merit | Vocational Studies A | |
| 1110 | Stump, Caitlin | SA | Merit | Child Studies | |
| 1111 | Stump, Samuel John | SA | Merit | Mathematical Studies | |
| 1112 | Sullivan, Adrienne Emilie | SA | Merit | Biology | |
| 1113 | Sullivan, Adrienne Emilie | SA | Merit | English Studies | |
| 1114 | Sullivan, Adrienne Emilie | SA | Merit | Mathematical Studies | |
| 1115 | Sullivan, Adrienne Emilie | St Peters Girls School | Stonyfell | Australian Student Prize | |
| 1116 | Sullivan, Chloe | SA | Merit | Physical Education | |
| 1117 | Sullivan, Sandra Lorraine | SA | Merit | The Arts and the Community | |
| 1118 | Sutton, Tamara Lee | SA | Merit | Health Education | |
| 1119 | Swifte, Edward | SA | Merit | Physical Education | |
| 1120 | Synnot, Ceridwen Emily | SA | Merit | Chemistry | |
| 1121 | Synnot, Ceridwen Emily | SA | Merit | Geography Studies | |
| 1122 | Synnot, Ceridwen Emily | SA | Merit | Physics | |