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.
| 1018 | Roberts, Lisa | SA | Merit | Science | |
| 1019 | Robertson, Alice | SA | Merit | Solo Performance | |
| 1020 | Robertson, Alister | SA | Merit | Technical Graphics | |
| 1021 | Robertson, Caitlin Eve | SA | Merit | Classical Studies | |
| 1022 | Robertson, Kimberley Sarah | SA | Merit | English Communications | |
| 1023 | Robertson, Kimberley Sarah | SA | Merit | Visual Arts Studies | |
| 1024 | Rogers, Kristen Janelle | SA | Merit | Music in Society | |
| 1025 | Rogers, Sally Jo-Anne | SA | Merit | Child Studies | |
| 1026 | Rose, Sarah | SA | Merit | English Communications | |
| 1027 | Rosser, Julie Elizabeth | SA | Merit | English Communications | |
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| 1028 | Rossi, Daniella | SA | Merit | Business Studies | |
| 1029 | Rotman, Melissa Nellie | SA | Merit | English Communications | |
| 1030 | Row, Jennifer Helen | SA | Merit | Work and the Community | |
| 1031 | Rowe, Emily Hannah | SA | Merit | Women's Studies | |
| 1032 | Ruan, Zheng | SA | Merit | Accounting Studies | |
| 1033 | Ruan, Zheng | SA | Merit | Chinese (Background Speakers) | |
| 1034 | Rundle, Charles William | SA | Merit | Physical Education | |
| 1035 | Russell, Hannah Joy | SA | Merit | Furniture Construction | |
| 1036 | Salatino, Andrea Mario | SA | Merit | Music Individual Study | |
| 1037 | Sanderson, Malia Ruth | SA | Merit | Music Individual Study | |
| 1038 | Sarantaugas, Alexi | SA | Merit | Accounting Studies | |
| 1039 | Sargent, Leigh Rosslyn | SA | Merit | Mathematical Methods | |
| 1040 | Saunders, David William | SA | Merit | Musicianship | |
| 1041 | Saunders, David William | SA | Merit | Solo Performance | |
| 1042 | Saxon, Christopher | SA | Merit | Vocational Studies A | |
| 1043 | Scales, Raymond | SA | Merit | Health, Recreation and the Community | |
| 1044 | Schaefer, Marissa Kate | SA | Merit | Geography Studies | |
| 1045 | Schirmer, Amy Catherine | SA | Merit | Biology | |
| 1046 | Schmaal, Heidi Elise | SA | Merit | Biology | |
| 1047 | Schmaal, Heidi Elise | SA | Merit | Chemistry | |
| 1048 | Schmidt, Rachel Naomi | SA | Merit | Child Studies | |
| 1049 | Schmitz, Joanna Ruth | SA | Merit | Ensemble Performance | |
| 1050 | Schmitz, Joanna Ruth | SA | Merit | Music Individual Study | |
| 1051 | Schumann, Ellen | SA | Merit | English Communications | |
| 1052 | Schutz, Leanne | SA | Merit | Accounting Studies | |
| 1053 | Scollin, Ashleigh Jayne | SA | Merit | Food and Hospitality | |
| 1054 | Scott, Elise Joy | SA | Merit | Solo Performance | |
| 1055 | Scott, Naomi Heather | SA | Merit | Music Individual Study | |
| 1056 | Scott-Hoy, Lachlan Sidney | SA | Merit | Mathematical Studies | |
| 1057 | Seaton, Fiona | SA | Merit | Biology | |
| 1058 | Seppelt, Lucy Alexandra | SA | Merit | Australian History | |
| 1059 | Shea, Jessica Cecile | SA | Merit | Legal Studies | |
| 1060 | Sheedy, Henry | SA | Merit | Music Individual Study | |
| 1061 | Shepherd, Andrew Robert Hyatt | SA | Merit | Information Technology | |
| 1062 | Sheridan, Samuel John | SA | Merit | English Studies | |
| 1063 | Sheridan, Samuel John | SA | Merit | Religions in Australia | |
| 1064 | Shillabeer, Amy Louise | SA | Merit | Technology and the Community | |
| 1065 | Shortt-Smith, Anna Geraldine | SA | Merit | Visual Arts Studies | |
| 1066 | Sidey, Alice Molly | SA | Merit | Biology | |
| 1067 | Sidey, Alice Molly | SA | Merit | Physical Education | |