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.
| 653 | McPherson, Rebecca | SA | Merit | Tourism | |
| 654 | McPherson, Rebecca | SA | Merit | Visual Arts Studies | |
| 655 | McPherson, Rebecca Kate | Brighton Secondary School | North Brighton | Australian Student Prize | |
| 656 | McRostie, Kate Jayne | SA | Merit | Communication Products A | |
| 657 | Meathrel, Kate Alexandra | SA | Merit | English Communications | |
| 658 | Meegan, James Michael | SA | Merit | Legal Studies | |
| 659 | Mellen, Phillip Roy | SA | Merit | Chemistry | |
| 660 | Mellen, Phillip Roy | SA | Merit | Physics | |
| 661 | Mellor, Clementine Sophie Rose | SA | Merit | Drama Studies | |
| 662 | Mellor, Clementine Sophie Rose | SA | Merit | English Studies | |
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| 663 | Mercorella, Amanda Ann | SA | Merit | Information Technology Studies | |
| 664 | Merola, Melissa Anne | SA | Merit | Food and Hospitality Studies | |
| 665 | Metcalfe, Samantha | SA | Merit | English Communications | |
| 666 | Middleton, Elizabeth Sarah | SA | Merit | English Communications | |
| 667 | Miller, Siobhan Ellen | SA | Merit | Drama Studies | |
| 668 | Milner, Edward John | SA | Merit | Mathematical Methods | |
| 669 | Milson, Bridget Jane | SA | Merit | Visual Arts Studies | |
| 670 | Minucci, Matthew Miles | SA | Merit | Biology | |
| 671 | Mitchell, Emma Grace | SA | Merit | Environment and the Community I | |
| 672 | Mitchell, Emma Grace | SA | Merit | Lifestyle and the Community I | |
| 673 | Mitchell, Emma Grace | SA | Merit | Science and the Community I | |
| 674 | Mitchell, Emma Grace | SA | Merit | Science and the Community II | |
| 675 | Mitsigeorgis, Nicole Anne | SA | Merit | Mathematical Applications | |
| 676 | Molinari, Konstantin | SA | Merit | Mathematical Applications | |
| 677 | Money, Emmah | SA | Merit | Lifestyle and the Community | |
| 678 | Monteodorisio, Jodie Marie Louise | SA | Merit | Health, Recreation and the Community I | |
| 679 | Monto, James Jari | SA | Merit | Contemporary Issues and Science | |
| 680 | Moo, Kat Phin | SA | Merit | Design Practical | |
| 681 | Moore, Angus Edward Jewell | SA | Merit | Mathematical Studies | |
| 682 | Moran, Caroline Rose | SA | Merit | Biology | |
| 683 | Morcom, Stacey | SA | Merit | Geography Studies | |
| 684 | Morel, Stephen Peter | SA | Merit | Ensemble Performance | |
| 685 | Moroney, Morgan Bedford | SA | Merit | English Communications | |
| 686 | Moroney, Morgan Bedford | SA | Merit | Geography Studies | |
| 687 | Morris, Anna | SA | Merit | Tourism | |
| 688 | Morris, Lauren | SA | Merit | Accounting Studies | |
| 689 | Morris, Lauren | SA | Merit | Economics | |
| 690 | Mosca, Anthony | SA | Merit | Information Technology Studies | |
| 691 | Moyle, Shane | SA | Merit | Mathematical Studies | |
| 692 | Mueller, Annina Helene | SA | Merit | Economics | |
| 693 | Muggridge, Heather | SA | Merit | Ensemble Performance | |
| 694 | Muggridge, Heather | SA | Merit | Performance Special Study | |
| 695 | Muggridge, Heather | SA | Merit | Solo Performance | |
| 696 | Murdoch, Hannah | SA | Merit | Broadcasting and Multimedia B | |
| 697 | Mutton, Jordan Thomas | SA | Merit | Communication Products A | |
| 698 | Myhill, Elizabeth Jane | SA | Merit | English Communications | |
| 699 | Mylius, Benjamin James | SA | Merit | English Studies | |
| 700 | Mylius, Benjamin James | SA | Merit | Japanese (Continuers) | |
| 701 | Mylius, Benjamin James | SA | Prize: Tennyson Medal | English Studies | |
| 702 | Mysak, Talia Anne | SA | Merit | Tourism | |