This is the SACE Honour Roll, listing every award, merit or prize won by South Australian SACE students in 2020, along with their school and subject details.
The report also includes significant Australian national awards and prizes such as the Australian Student Prize.
| 941 | Quick, Aaron | SA | Merit | English Literary Studies | |
| 942 | Quick, Aaron | SA | Merit | Research Project B | |
| 943 | Rahmanian, Arman | SA | Merit | Mathematical Methods | |
| 944 | Rajendra Kumar, Rahul | SA | Merit | Research Project A | |
| 945 | Ralph, Samuel | SA | Merit | Robotic and Electronic Systems | |
| 946 | Ramirez Torres, Armando Daniel | SA | Merit | Research Project B | |
| 947 | Rathjen, Kate Isabel | SA | Merit | Visual Arts - Art | |
| 948 | Raval, Disha Pankaj | SA | Merit | Research Project B | |
| 949 | Raval, Jayom | SA | Merit | English | |
| 950 | Ravenscroft, Willard | SA | Merit | English | |
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| 951 | Ravenscroft, Willard | SA | Merit | Modern History | |
| 952 | Rawat, Rianna Maria | SA | Merit | Biology | |
| 953 | Rawat, Rianna Maria | SA | Merit | General Mathematics | |
| 954 | Rawlings, Benjamin Alan | SA | Merit | Specialist Mathematics | |
| 955 | Rea, Elisha Louise | SA | Merit | Psychology | |
| 956 | Redding, Maddison | SA | Merit | Outdoor Education | |
| 957 | Reilly, Asha Rohan | SA | Merit | General Mathematics | |
| 958 | Rendall, Jackson Frederick | SA | Merit | Chemistry | |
| 959 | Rentis, Elly | SA | Merit | Essential English | |
| 960 | Reubenicht, Zoe | SA | Merit | Religion Studies | |
| 961 | Rice, Harrison Finlay | SA | Merit | Chemistry | |
| 962 | Rice, Harrison Finlay | SA | Merit | English | |
| 963 | Rice, Harrison Finlay | SA | Merit | Research Project B | |
| 964 | Riches, Kaylee | SA | Merit | Workplace Practices | |
| 965 | Rimington, Hugo Dean | SA | Merit | Research Project B | |
| 966 | Rizwan, Abdullah | SA | Merit | Biology | |
| 967 | Rizwan, Abdullah | SA | Merit | Chemistry | |
| 968 | Roberts, Emily | SA | Merit | English | |
| 969 | Roberts, Emily | SA | Merit | Research Project B | |
| 970 | Roberts, Emily | SA | Merit | Society and Culture | |
| 971 | Roberts, Linden Hyacinthus Morgan | SA | Merit | Information Processing and Publishing | |
| 972 | Robinson, Paris | SA | Merit | Business Innovation | |
| 973 | Robinson, Paris | SA | Merit | Drama | |
| 974 | Robinson, Prudence Georgina | SA | Merit | English | |
| 975 | Robinson, Talia | SA | Merit | Chemistry | |
| 976 | Robinson, Talia | SA | Merit | Physics | |
| 977 | Robson, Thomas | SA | Merit | Business Innovation | |
| 978 | Rodrigues, Timothy Louis | SA | Merit | Biology | |
| 979 | Rogers, Manuela Leia | SA | Merit | Biology | |
| 980 | Romaniuk, Annelise | SA | Merit | Food and Hospitality | |
| 981 | Roos, Madeline | SA | Merit | English | |
| 982 | Roos, Madeline | SA | Merit | Geography | |
| 983 | Rose, Claire | SA | Merit | Material Solutions | |
| 984 | Rositano, Laura May | SA | Merit | English | |
| 985 | Rositano, Laura May | SA | Merit | Physical Education | |
| 986 | Ross, Aidan Alexander | SA | Merit | Research Project B | |
| 987 | Rosser, Richard Brian | SA | Merit | English | |
| 988 | Rossi, Jacinta | SA | Merit | Research Project B | |
| 989 | Rossi, Jacinta | SA | Merit | Workplace Practices | |
| 990 | Rothe, Ella Jacinta | SA | Merit | Child Studies | |