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.
| 939 | Ragg, Anna Elizabeth | SA | Merit | Mathematical Studies | |
| 940 | Ragno, Anthony | SA | Merit | Information Processing and Publishing | |
| 941 | Rahimi, Mersel | SA | Merit | Research Project B | |
| 942 | Rahman, Shabab | SA | Merit | Physics | |
| 943 | Raju, Mahima | SA | Merit | Research Project B | |
| 944 | Rajvi, Benita Preethi Roy | SA | Merit | Research Project B | |
| 945 | Rana, Khizar | SA | Merit | Chemistry | |
| 946 | Rana, Khizar | SA | Merit | Mathematical Studies | |
| 947 | Rana, Khizar | SA | Merit | Physics | |
| 948 | Rana, Khizar | SA | Prize: Way College Prize and Medal | Chemistry | |
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| 949 | Rana, Khizar | Pulteney Grammar School | Adelaide | Gov of SA SACE Award | |
| 950 | Randell-Deptula, Bodhi | SA | Merit | Modern History | |
| 951 | Raschella, Matthew | SA | Merit | Economics | |
| 952 | Ratsch, Caitlin | SA | Merit | Communication Products I | |
| 953 | Ravenscroft, Hollie Lorna | SA | Merit | Mathematical Applications | |
| 954 | Ravi, Neha | SA | Merit | Research Project B | |
| 955 | Raywood Cross, Beth Rose Jagungal | SA | Merit | Legal Studies | |
| 956 | Raywood Cross, Beth Rose Jagungal | SA | Merit | Research Project B | |
| 957 | Redford, Kristen Molly | SA | Merit | Food and Hospitality | |
| 958 | Reinli, Bianca Elizabeth | SA | Merit | English Communications | |
| 959 | Renfrey, Josephine Margaret | SA | Merit | English Studies | |
| 960 | Reseigh, Matthew John | SA | Merit | Outdoor Education | |
| 961 | Ricci, Serena | SA | Merit | English Studies | |
| 962 | Ricci, Serena | SA | Merit | Mathematical Methods | |
| 963 | Ricci, Serena | Loreto College | Marryatville | Gov of SA SACE Award | |
| 964 | Richards, Marguerite Rebecca | SA | Merit | Mathematical Applications | |
| 965 | Richardson, Jack Donald | SA | Merit | Music Technology | |
| 966 | Richardson, Jack Donald | SA | Merit | Research Project B | |
| 967 | Richardson, Jillian Kay | SA | Merit | Child Studies | |
| 968 | Richardson, Matthew James | SA | Merit | English Communications | |
| 969 | Richter, Sophie Elyse | SA | Merit | Mathematical Methods | |
| 970 | Riddell, Simon Frank | SA | Merit | Research Project B | |
| 971 | Rigoni, Venetia Illaria | SA | Merit | Biology | |
| 972 | Rigoni, Venetia Illaria | SA | Merit | Chemistry | |
| 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 | |
| 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 | |