This is the SACE Honour Roll, listing every award, merit or prize won by South Australian SACE students in 2012, along with their school and subject details.
The report also includes significant Australian national awards and prizes such as the Australian Student Prize.
| 644 | Martin, James | SA | Merit | Mathematical Applications | |
| 645 | Martin, Michelle | SA | Merit | Workplace Practices | |
| 646 | Martin, Thomas | SA | Merit | Research Project B | |
| 647 | Massolino, Rose | SA | Merit | Psychology | |
| 648 | Matthews, San | SA | Merit | Psychology | |
| 649 | Matthews, San Kojima | SA | Merit | English Communications | |
| 650 | Maxted, Stuart | SA | Merit | Research Project B | |
| 651 | Mayger, Margaret | SA | Merit | Child Studies | |
| 652 | Mayo, Eleesheva | SA | Merit | Chemistry | |
| 653 | Mayo, Eleesheva | SA | Merit | Physics | |
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| 654 | McAllister, Jacqueline | SA | Merit | Biology | |
| 655 | McArdell, Holly | SA | Merit | Tourism | |
| 656 | McArthur, Lachlann | SA | Merit | Legal Studies | |
| 657 | McArthur, Lachlann | SA | Merit | Mathematical Studies | |
| 658 | McArthur, Lachlann | SA | Merit | Specialist Mathematics | |
| 659 | McArthur, Lachlann | Pulteney Grammar School | Adelaide | Australian Student Prize | |
| 660 | McCalden, Fiona | SA | Merit | Biology | |
| 661 | McCalden, Fiona | SA | Merit | Chemistry | |
| 662 | McCallum, Katelyn | SA | Merit | Information Processing and Publishing | |
| 663 | McCarthy, John | SA | Merit | Mathematical Studies | |
| 664 | McCauley, Ashlan | SA | Merit | Psychology | |
| 665 | McCullough, Rachael Alana | SA | Prize: Tennyson Medal (shared) | English Studies | |
| 666 | McDonald, Ella | SA | Merit | English Communications | |
| 667 | McGilp, Daniel | SA | Merit | Biology | |
| 668 | McHugh, Liam | SA | Merit | Workplace Practices | |
| 669 | McInerney, Brittany | SA | Merit | Physical Education | |
| 670 | McKay, Madeleine | SA | Merit | Research Project B | |
| 671 | McKellar, Elspeth | SA | Merit | Creative Arts | |
| 672 | McKellar, Elspeth | SA | Merit | Visual Arts - Arts | |
| 673 | McKenna, Matthew | SA | Merit | Workplace Practices | |
| 674 | McLachlan, Stephanie | SA | Merit | Workplace Practices | |
| 675 | McLean, Laura | SA | Merit | Research Project B | |
| 676 | McLean, Laura | SA | Merit | Visual Arts - Design | |
| 677 | McQueen, Fiona | SA | Merit | Geography | |
| 678 | McQueen, Fiona | SA | Merit | Mathematical Studies | |
| 679 | McQueen, Fiona | SA | Merit | Research Project B | |
| 680 | McQueen, Fiona | SA | Merit | Specialist Mathematics | |
| 681 | McQueen, Fiona | Cabra Dominican College | Cumberland Park | Australian Student Prize | |
| 682 | Meich, Ellie | SA | Merit | Child Studies | |
| 683 | Meich, Ellie | SA | Merit | Research Project B | |
| 684 | Meissner, Jaedyn | SA | Merit | Food and Hospitality | |
| 685 | Merrett, James | SA | Merit | Biology | |
| 686 | Merritt, Annie | SA | Merit | Society and Culture | |
| 687 | Messent, Jakson | SA | Merit | Research Project B | |
| 688 | Meyers, Courtney | SA | Merit | Information Processing and Publishing | |
| 689 | Michael, Thomas | SA | Merit | Physics | |
| 690 | Michael, Thomas | SA | Merit | Research Project B | |
| 691 | Mickan, Isabelle | SA | Merit | Legal Studies | |
| 692 | Mill, Deanna | SA | Merit | Research Project B | |
| 693 | Mills, Kaylene | SA | Merit | Information Processing and Publishing | |