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.
| 25 | Altus, Brandon David | SA | Merit | Work and the Community | |
| 26 | Amafuji, Hiromi | SA | Merit | English Communications | |
| 27 | Amery-Gale, Jemima | SA | Merit | Biology | |
| 28 | Amery-Gale, Jemima | SA | Merit | Geography Studies | |
| 29 | Ametov, Anton | SA | Merit | Specialist Mathematics | |
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| 30 | Anderton, Jordan | SA | Merit | Australian History | |
| 31 | Angove, Elizabeth Lindsay | SA | Merit | Biology | |
| 32 | Angove, Elizabeth Lindsay | SA | Merit | Chemistry | |
| 33 | Anstey, Claire Lacey | SA | Merit | Legal Studies | |
| 34 | Apostol, Radu Mihai | SA | Merit | English Studies | |
| 35 | Apsimon, Victoria Louise | SA | Merit | Australian and International Politics | |
| 36 | Apsimon, Victoria Louise | SA | Merit | English Studies | |
| 37 | Apsimon, Victoria Louise | SA | Merit | Modern History | |
| 38 | Arman, Jemma Maree | SA | Merit | Legal Studies | |
| 39 | Arman, Jemma Maree | SA | Merit | Modern History | |
| 40 | Arman, Jemma Maree | SA | Merit | Psychology | |
| 41 | Arman, Jemma Maree | Unley High School | Netherby | Australian Student Prize | |
| 42 | Artuso, Gino Carlo | SA | Merit | Technology and the Community II | |
| 43 | Assels, Jennifer | SA | Merit | Australian History | |
| 44 | Asser, Tegan | SA | Merit | Mathematical Studies | |
| 45 | Astrauskas-Graves, Kate | SA | Merit | Business Studies | |
| 46 | Aunger, Krystle | SA | Merit | Broadcasting and Multimedia A | |
| 47 | Badrinath, Karthik | SA | Merit | Mathematical Studies | |
| 48 | Bahrami, Bobak | SA | Merit | Physics | |
| 49 | Bailey, Joshua Luke Stanley | SA | Merit | English Communications | |