| 1 | Abernethy, Imogen | SA | Merit | Vocational Studies B | |
| 2 | Adcock, Abbey | SA | Merit | Material Products I | |
| 3 | Agnew, Gabrielle | SA | Merit | Research Project B | |
| 4 | Ahmed, Zaeem | SA | Merit | Chemistry | |
| 5 | Ahn, Joshua Jung Ro | SA | Merit | Chemistry | |
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| 6 | Ahn, Joshua Jung Ro | SA | Prize: Way College Prize and Medal (shared) | Chemistry | |
| 7 | Ahrens, Emma-Louise | SA | Merit | Child Studies | |
| 8 | Ainscough, Anne | SA | Merit | English Communications | |
| 9 | Aird, Rohan | SA | Merit | Chemistry | |
| 10 | Aird, Rohan | SA | Merit | Mathematical Studies | |
| 11 | Aird, Rohan | SA | Merit | Physics | |
| 12 | Aird, Rohan | Tatachilla Lutheran College | Mclaren Vale | Australian Student Prize | |
| 13 | Aird, Rohan | Tatachilla Lutheran College | Mclaren Vale | Gov of SA SACE Award | |
| 14 | Alexander, Bernard | SA | Merit | Solo Performance | |
| 15 | Alexander, Elizabeth | SA | Merit | English Studies | |
| 16 | Alexander, Elizabeth | SA | Merit | Physics | |
| 17 | Alexander, Elizabeth | Tenison Woods College | Mount Gambier | Gov of SA SACE Award | |
| 18 | Allen, Courtney | SA | Merit | Outdoor Education | |
| 19 | Allen, Courtney | SA | Merit | Research Project B | |
| 20 | Allen, Luke | SA | Merit | Physical Education | |
| 21 | Aloi, Marialuisa | SA | Merit | Biology | |
| 22 | Altmann, Mitchell | SA | Merit | English Communications | |
| 23 | Amberg, Ben | SA | Merit | English Communications | |
| 24 | Amici, Navar | SA | Merit | Philosophy | |
| 25 | Anderson, Ross | SA | Merit | English Communications | |