This is the SACE Honour Roll, listing every award, merit or prize won by South Australian SACE students in 2018, along with their school and subject details.
The report also includes significant Australian national awards and prizes such as the Australian Student Prize.
| 875 | RUSSO, Eliza | SA | Merit | Child Studies | |
| 876 | RUSSO, Eliza | SA | Merit | English | |
| 877 | RUSSO, Patrick | SA | Merit | English | |
| 878 | RUSSO, Patrick | SA | Merit | Integrated Learning A | |
| 879 | RUTHERFORD, Tess Louise | SA | Merit | Research Project B | |
| 880 | RYAN, Amelia Lillian | SA | Merit | Research Project B | |
| 881 | RYBENSKI, Isabella | SA | Merit | Food and Hospitality | |
| 882 | SAFIEDDIN, Katia | SA | Merit | Research Project B | |
| 883 | SAJI EATTIMOOTTIL, Stalin | SA | Merit | Biology | |
| 884 | SAJI, Cyril | SA | Merit | English Literary Studies | |
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| 885 | SAJI, Cyril | SA | Merit | Integrated Learning A | |
| 886 | SAJI, Cyril | SA | Merit | Psychology | |
| 887 | Saji, Cyril | Rostrevor College | Woodforde | Prize: Tennyson Medal | English Studies |
| 888 | SALERNO, Aidan | SA | Merit | Business and Enterprise | |
| 889 | SALERNO, Emma Grace | SA | Merit | Drama | |
| 890 | SALERNO, Emma Grace | SA | Merit | English | |
| 891 | SALERNO, Emma Grace | SA | Merit | General Mathematics | |
| 892 | SALERNO, Emma Grace | SA | Merit | Psychology | |
| 893 | SALTER, Isabel | SA | Merit | English Literary Studies | |
| 894 | SALTER, Isabel | SA | Merit | Psychology | |
| 895 | SANDERSON-BROMLEY, Iteka Ukarla | SA | Merit | Aboriginal Studies | |
| 896 | SAREEN, Aryan | SA | Merit | Research Project B | |
| 897 | SAROAR, Rifat Bin | SA | Merit | Mathematical Methods | |
| 898 | SARUNIC, Tristan | SA | Merit | Material Products I | |
| 899 | SAS, Mikaela Morgan | SA | Merit | Research Project B | |
| 900 | SAUERWALD, Corey | SA | Merit | Workplace Practices | |
| 901 | SAVAGE, Brianna | SA | Merit | Research Project B | |
| 902 | SAVVOUDIS, George | SA | Merit | Chemistry | |
| 903 | SAVVOUDIS, George | SA | Merit | Mathematical Methods | |
| 904 | SCHAR, Thomas | SA | Merit | Chemistry | |
| 905 | SCHILLER, Ariana Paige | SA | Merit | Research Project A | |
| 906 | SCHRAPEL, Erin Jade | SA | Merit | Research Project B | |
| 907 | SCHUBERT, Maggie Grace | SA | Merit | Research Project B | |
| 908 | SCHUBERT, Maggie Grace | SA | Merit | Visual Arts - Art | |
| 909 | SCHUBERT, Stephanie Alice | SA | Merit | Material Products I | |
| 910 | Schultz, Ella | Loxton High School | Loxton | Gov of SA SACE Award | |
| 911 | SCHULTZ, Jordan Alexander | SA | Merit | Physics | |
| 912 | Schutz, Elijah | Pedare Christian College | Golden Grove | Gov of SA SACE Award | |
| 913 | SCHUTZ, Elijah James | SA | Merit | Chemistry | |
| 914 | SCHUTZ, Elijah James | SA | Merit | Mathematical Methods | |
| 915 | SCHUTZ, Elijah James | SA | Merit | Physics | |
| 916 | SCHUTZ, Elijah James | SA | Merit | Research Project B | |
| 917 | SCHUTZ, Elijah James | SA | Merit | Specialist Mathematics | |
| 918 | SCHUTZ, Henry Eric | SA | Merit | General Mathematics | |
| 919 | SCURRAH, Zeb Stephen | SA | Merit | Workplace Practices | |
| 920 | SEABROOK-BRIDGE, Luka | SA | Merit | English | |
| 921 | SEARLE, Katelyn | SA | Merit | Modern History | |
| 922 | SENADHIPATHI, Tharindi | SA | Merit | Biology | |
| 923 | SEPULVEDA RIVEROS, Catalina | SA | Merit | Communication Products I | |
| 924 | SEQUEIRA, Samantha | SA | Merit | Research Project B | |