This is the SACE Honour Roll, listing every award, merit or prize won by South Australian SACE students in 2003, along with their school and subject details.
The report also includes significant Australian national awards and prizes such as the Australian Student Prize.
| 777 | McCaskill, Rachel | SA | Merit | English Communications | |
| 778 | McConnell, Ross | SA | Merit | Physical Education | |
| 779 | McConnell, Scott | SA | Merit | Music Individual Study | |
| 780 | McCormack, Carlee Jade | SA | Merit | Child Studies | |
| 781 | McFarlane, Anthony James | SA | Merit | Community Work II | |
| 782 | McGlone, Brian Roy | SA | Merit | Art Practical | |
| 783 | McGovern, Margot Elsie | SA | Merit | Drama Studies | |
| 784 | McGregor, Daisy | SA | Merit | Economics | |
| 785 | McInerney, Tara | SA | Merit | Food and Hospitality | |
| 786 | McLean, Matthew Gregory | SA | Merit | Biology | |
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| 787 | McLean, Micaela | SA | Merit | French (Continuers) | |
| 788 | McLean, Micaela | SA | Prize: Alliance Francaise de l'Australie du Sud Prize | French | |
| 789 | McLean, Micaela | SA | Prize: Annie Montgomerie Martin Prize and Medal for French | French | |
| 790 | McLeod, Julia | SA | Merit | Graphics | |
| 791 | McMahon, Michelle Elizabeth | SA | Merit | Physical Education | |
| 792 | McMillan, Eve Elizabeth | SA | Merit | Ensemble Performance | |
| 793 | McNicol, Isaac James | SA | Merit | Mathematical Studies | |
| 794 | McNicol, Isaac James | SA | Merit | Physics | |
| 795 | McRostie, Cherie Elise | SA | Merit | Accounting Studies | |
| 796 | McRostie, Cherie Elise | SA | Merit | Biology | |
| 797 | Mendis, Rangana Pasindu | SA | Merit | Information Technology Studies | |
| 798 | Merchant, Troy Robert | SA | Merit | Music Individual Study | |
| 799 | Mesbah, Jaleel | SA | Merit | Chemistry | |
| 800 | Mesbah, Jaleel | SA | Merit | English as Second Language Studies | |
| 801 | Mesbah, Jaleel | SA | Merit | Mathematical Studies | |
| 802 | Mesbah, Jaleel | SA | Merit | Physics | |
| 803 | Mesbah, Jaleel | SA | Merit | Specialist Mathematics | |
| 804 | Mesbah, Jaleel | SA | Prize: Campbell Award for Students Attending Government Schools | ||
| 805 | Mesbah, Jaleel | Unley High School | Netherby | Australian Student Prize | |
| 806 | Michael, Nicole | SA | Merit | Child Studies | |
| 807 | Micik, Christopher Jan | SA | Merit | Economics | |
| 808 | Midson, Cassie | SA | Merit | Mathematical Methods | |
| 809 | Mieglich, Kate Narelle | SA | Merit | English Communications | |
| 810 | Migliaccio, Natalie | SA | Merit | Health Education | |
| 811 | Mignone, Jessica | SA | Merit | Art Practical | |
| 812 | Millard, Sarah Kathryn | SA | Merit | Child Studies | |
| 813 | Millard, Sarah Kathryn | SA | Merit | English Communications | |
| 814 | Miller, Matthew | SA | Merit | English Communications | |
| 815 | Millevoi, Fuchsia Lucy | SA | Merit | Visual Arts Studies | |
| 816 | Milne, Kimberley Janette | SA | Merit | Legal Studies | |
| 817 | Milton, Jamie Francis | SA | Merit | English Communications | |
| 818 | Milton, Jamie Francis | SA | Merit | Physical Education | |
| 819 | Minervini, Rebecca | SA | Merit | Business Studies | |
| 820 | Minne, Ruth Elizabeth | SA | Merit | Child Studies | |
| 821 | Missikos, William Matthew Mills | SA | Merit | Legal Studies | |
| 822 | Mitchell, Clare Elizabeth Mary | SA | Merit | Ensemble Performance | |
| 823 | Mitchell, Eleanor Claire | SA | Merit | Mathematical Studies | |
| 824 | Mitchell, Elizabeth Rose | SA | Merit | Physical Education | |
| 825 | Mohan, Preethi | SA | Merit | English as Second Language Studies | |
| 826 | Moloney, Jacqueline Jane | SA | Merit | Tourism | |