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.
| 1023 | Schutz, Alexandra Louise | SA | Merit | Physics | |
| 1024 | Schutz, Alexandra Louise | SA | Merit | Specialist Mathematics | |
| 1025 | Schwarz, Dannielle | SA | Merit | Scientific Studies | |
| 1026 | Sciberras-Xiong, Angela | SA | Merit | Research Project B | |
| 1027 | Scott, Imogen Lea | SA | Merit | Research Project B | |
| 1028 | Scriven, Jessica Lee | SA | Merit | Biology | |
| 1029 | Scriven, Jessica Lee | SA | Merit | Mathematical Studies | |
| 1030 | Searby, Laura Saputri | SA | Merit | Research Project B | |
| 1031 | See, Kenneth | SA | Merit | Musicianship | |
| 1032 | See, Kenneth | SA | Merit | Physics | |
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| 1033 | See, Kenneth | SA | Merit | Specialist Mathematics | |
| 1034 | Seindanis, Erini | SA | Merit | Child Studies | |
| 1035 | Seki, Mai | SA | Merit | Material Products II | |
| 1036 | Shabibi, Mohammad Taha | SA | Merit | Research Project B | |
| 1037 | Shackleford, India | SA | Merit | Research Project B | |
| 1038 | Shenoda, John | SA | Merit | English Communications | |
| 1039 | Shetewi, Aseel | SA | Merit | English as Second Language Studies | |
| 1040 | Shibu, Roney | SA | Merit | Biology | |
| 1041 | Shin, Ji Min | SA | Merit | Physics | |
| 1042 | Silvestri, Lucinda | SA | Merit | Mathematical Studies | |
| 1043 | Simister, Erin Tayla | SA | Merit | Psychology | |
| 1044 | Sinainou, Stelio | SA | Merit | Society and Culture | |
| 1045 | Sisto, Carly Micah | SA | Merit | Psychology | |
| 1046 | Skinner, Zarli Ayers | SA | Merit | Research Project B | |
| 1047 | Skuse-Fildes, Alex | SA | Merit | Geography | |
| 1048 | Slater, Imogen | SA | Merit | Visual Arts - Art | |
| 1049 | Slater, Jasmine | SA | Merit | Music Individual Study | |
| 1050 | Slater, Natasha Joy | SA | Merit | Solo Performance | |
| 1051 | Slattery, Miriam | SA | Merit | Mathematical Studies | |
| 1052 | Slimming, Emily Rose | SA | Merit | Research Project B | |
| 1053 | Smerdon, Stefan Carl | SA | Merit | English Communications | |
| 1054 | Smerdon, Stefan Carl | SA | Merit | Religion Studies | |
| 1055 | Smith, Helen Christine | SA | Merit | Drama | |
| 1056 | Smith, Lachlan | SA | Merit | Physical Education | |
| 1057 | Smith, Lachlan | SA | Merit | Research Project B | |
| 1058 | Snell, Ada Sophia | SA | Merit | Research Project B | |
| 1059 | Snelling, William Alexander | SA | Merit | Research Project B | |
| 1060 | Sobey, Brieanna Angela | SA | Merit | Research Project B | |
| 1061 | Solanki, Dhaval | SA | Merit | Research Project B | |
| 1062 | Spajic, Dana | SA | Merit | Biology | |
| 1063 | Spajic, Dana | SA | Merit | English Studies | |
| 1064 | Spajic, Dana | SA | Prize: Hardwicke College Prize | Biology | |
| 1065 | Spano, Rhiannen | SA | Merit | Research Project B | |
| 1066 | Spanovskis, Tomas Peter | SA | Merit | Business and Enterprise | |
| 1067 | Spencer, David | SA | Merit | Drama | |
| 1068 | Spooner, Zoe Cecile | SA | Merit | Visual Arts - Art | |
| 1069 | Squires, Emily Jane Olivia | SA | Merit | Performance Special Study | |
| 1070 | Squires, Emily Jane Olivia | SA | Prize: Don Maynard Music Prize | Music | |
| 1071 | Stahl, Hope Jemimah | SA | Merit | Chemistry | |
| 1072 | Stahl, Hope Jemimah | SA | Merit | Mathematical Studies | |