This is the SACE Honour Roll, listing every award, merit or prize won by South Australian SACE students in 2005, along with their school and subject details.
The report also includes significant Australian national awards and prizes such as the Australian Student Prize.
| 890 | Sare, Diana | SA | Merit | Mathematical Applications | |
| 891 | Sarris, Dimitri | SA | Merit | Mathematical Methods | |
| 892 | Sarris, Dimitri | SA | Merit | Physical Education | |
| 893 | Sattler, Bettina | SA | Merit | Vocational Studies A | |
| 894 | Saunders, Christina | SA | Merit | Solo Performance | |
| 895 | Saunders, Rupert James | SA | Merit | Biology | |
| 896 | Schlicker, Maxwell Geoffrey | SA | Merit | Physical Education | |
| 897 | Schmaal, Sheree Anne | SA | Merit | English Studies | |
| 898 | Schoo, Nastashia Elena | SA | Merit | English Studies | |
| 899 | Schricker, Sarah Catherine | SA | Merit | German (Continuers) | |
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| 900 | Schricker, Sarah Catherine | SA | Prize: Schiller Prize | German | |
| 901 | Schumann, Adelaide Denise | SA | Merit | Biology | |
| 902 | Schumann, Adelaide Denise | SA | Merit | Chemistry | |
| 903 | Schumann, Adelaide Denise | SA | Prize: Hardwicke College Prize | Biology | |
| 904 | Schuurmans, Krista | SA | Merit | Biology | |
| 905 | Scott, Lauren Margaret | SA | Merit | Physical Education | |
| 906 | Scrimgeour, Lara Jade | SA | Merit | Indonesian (Accelerated) | |
| 907 | Semczuk, Megan Ann | SA | Merit | Vocational Studies B | |
| 908 | Seta, Paul Daniel | SA | Merit | Geography Studies | |
| 909 | Shahnam, Hamed | SA | Merit | Biology | |
| 910 | Sharrad, Liam Charles | SA | Merit | Communication Products B | |
| 911 | Sharrad, Lydia | SA | Merit | Performance Special Study | |
| 912 | Sharrad, Lydia | SA | Merit | Solo Performance | |
| 913 | Shirley, Alana Jayne | SA | Merit | Nutrition | |
| 914 | Sibbin, Cassandra Janet Anne | SA | Merit | English Communications | |
| 915 | Simakov, Nikita | SA | Merit | Physics | |
| 916 | Simmonds, Colleen Maree | SA | Merit | English Communications | |
| 917 | Simmonds, Mary-Claire | SA | Merit | Mathematical Applications | |
| 918 | Simmonds, Mary-Claire | SA | Merit | Psychology | |
| 919 | Simmonds, Samantha | SA | Merit | Physical Education | |
| 920 | Simmonds, Samantha | SA | Merit | Vocational Studies B | |
| 921 | Simms, Michael David | SA | Merit | English Studies | |
| 922 | Simms, Michael David | SA | Merit | Solo Performance | |
| 923 | Sims, Belinda Kaye | SA | Merit | Business Studies | |
| 924 | Sims, Belinda Kaye | SA | Merit | Legal Studies | |
| 925 | Sinanis, George | SA | Merit | Modern Greek (Continuers) | |
| 926 | Singla, Apresh Arun | SA | Merit | Mathematical Studies | |
| 927 | Siren, Hannu Alex | SA | Merit | Solo Performance | |
| 928 | Skaczkowski, Gemma Louise Amelia | SA | Merit | Biology | |
| 929 | Skaczkowski, Gemma Louise Amelia | SA | Merit | English Studies | |
| 930 | Skeer, Nick B | SA | Merit | English Communications | |
| 931 | Skinner, Brendon Peter | SA | Merit | Extension Studies A | |
| 932 | Skourides, Andreas | SA | Merit | Modern Greek (Continuers) | |
| 933 | Slater, Derek Henry | SA | Merit | Arts and the Community | |
| 934 | Slattery, Cendall Taryn | SA | Merit | English Communications | |
| 935 | Slattery, Therese Maria | SA | Merit | English Communications | |
| 936 | Sletvold, Nicole Lee | SA | Merit | Psychology | |
| 937 | Smith, Jack | SA | Merit | Communication Products B | |
| 938 | Smith, Nicholas | St Peters College | St Peters | Australian Student Prize | |
| 939 | Smith, Nicholas William Sinclair | SA | Merit | Biology | |