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.
| 973 | Rigoni, Venetia Illaria | SA | Merit | Research Project B | |
| 974 | Ritter, Charlee Anne | SA | Merit | English Communications | |
| 975 | Roache, Grace Isabella Dennis | SA | Merit | Chemistry | |
| 976 | Roache, Grace Isabella Dennis | SA | Merit | Physics | |
| 977 | Robert, Lachlan | SA | Merit | English Communications | |
| 978 | Roberts, Lucy Madeline | SA | Merit | Research Project B | |
| 979 | Robinson, Michael Campbell | Saint Ignatius College | Athelstone | Gov of SA SACE Award | |
| 980 | Robinson, Rosie Annabel | SA | Merit | Biology | |
| 981 | Robinson, Rosie Annabel | SA | Merit | Research Project B | |
| 982 | Robst-Lyon, Inca | SA | Merit | Food and Hospitality | |
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| 983 | Rocca, Sarah Rosa | SA | Merit | Research Project B | |
| 984 | Rodgers, Alyssa Kate | SA | Merit | Agricultural and Horticultural Studies | |
| 985 | Rogers, Jacinta Elysse | SA | Merit | Material Products I | |
| 986 | Rollis, Melpomeni | SA | Merit | English Communications | |
| 987 | Romyn, Teagan | SA | Merit | English Studies | |
| 988 | Romyn, Teagan | SA | Merit | Physics | |
| 989 | Romyn, Teagan | SA | Merit | Research Project B | |
| 990 | Roocke, Carla | SA | Merit | Physical Education | |
| 991 | Roscarel, Lisa Sheridan | SA | Merit | Biology | |
| 992 | Roscarel, Lisa Sheridan | SA | Merit | English Communications | |
| 993 | Rosmini, Giorgia | SA | Merit | Italian (Continuers) | |
| 994 | Ross, Corbin Dennett | SA | Merit | Research Project B | |
| 995 | Rossi, Michaela | SA | Merit | Research Project B | |
| 996 | Rowe, Erica Jane | SA | Merit | Health | |
| 997 | Rueda Pinzon, Daniela | SA | Merit | Spanish (Continuers) | |
| 998 | Russell-von Bujdoss, Zoe Jordi | SA | Merit | Research Project B | |
| 999 | Ryan, Alana | SA | Merit | Research Project B | |
| 1000 | Sabab, Ahad Ismam | SA | Merit | Biology | |
| 1001 | Sabab, Ahad Ismam | SA | Merit | Mathematical Studies | |
| 1002 | Sabab, Ahad Ismam | SA | Merit | Physics | |
| 1003 | Saegenschnitter, Sophie Lauren | SA | Merit | Biology | |
| 1004 | Saegenschnitter, Sophie Lauren | SA | Merit | Chemistry | |
| 1005 | Saegenschnitter, Sophie Lauren | SA | Merit | Psychology | |
| 1006 | Saegenschnitter, Sophie Lauren | SA | Merit | Research Project B | |
| 1007 | Salerno, Anthony | SA | Merit | Research Project B | |
| 1008 | Sanders, Tessa | SA | Merit | Mathematical Applications | |
| 1009 | Sapio, Aidan | SA | Merit | Scientific Studies | |
| 1010 | Satani, Krutarthkumar Jayeshkumar | SA | Merit | Chemistry | |
| 1011 | Satani, Krutarthkumar Jayeshkumar | SA | Merit | Physics | |
| 1012 | Schaefer, Brianna Emily | SA | Merit | Chemistry | |
| 1013 | Schaefer, Brianna Emily | SA | Merit | English Communications | |
| 1014 | Schaefer, Brianna Emily | SA | Merit | Physics | |
| 1015 | Schapel, Lucy Antonia | SA | Merit | Mathematical Applications | |
| 1016 | Schneider, Emily Nicole | SA | Merit | Accounting | |
| 1017 | Schofield, Benjamin Douglas | SA | Merit | Visual Arts - Art | |
| 1018 | Scholefield, Nicole | SA | Merit | Research Project B | |
| 1019 | Scholz, Nathan Kevin | SA | Merit | Systems and Control Products II | |
| 1020 | Schopp, Madeline | SA | Merit | Modern History | |
| 1021 | Schopp, Madeline | SA | Merit | Research Project B | |
| 1022 | Schutz, Alexandra Louise | SA | Merit | Mathematical Studies | |