| 1931 | Marcellin College | Randwick | Physics | 4 |
| 1932 | Marian Catholic College | ? | Personal Development, Health and Physical Education | 4 |
| 1933 | Marist College Eastwood | Eastwood | Physics | 4 |
| 1934 | Marist College Kogarah | Bexley | Legal Studies | 4 |
| 1935 | Marist College Kogarah | Bexley | Senior Science | 4 |
| |
||||
| 1936 | Marist College North Shore | North Sydney | English Extension 1 | 4 |
| 1937 | Marist College North Shore | North Sydney | Mathematics Extension 1 | 4 |
| 1938 | Marist College North Shore | North Sydney | Studies of Religion II | 4 |
| 1939 | Marist Sisters College Woolwich | Woolwich | Biology | 4 |
| 1940 | Marist Sisters College Woolwich | Woolwich | Personal Development, Health and Physical Education | 4 |
| 1941 | Marist Sisters College Woolwich | Woolwich | Visual Arts | 4 |
| 1942 | Marsden High School | Meadowbank | Mathematics Extension 1 | 4 |
| 1943 | Mary MacKillop College | Wakeley | History Extension | 4 |
| 1944 | Mary MacKillop College | Wakeley | Mathematics | 4 |
| 1945 | Masada College | St Ives | Software Design and Development | 4 |
| 1946 | McCarthy Catholic College Emu Plains | Emu Plains | Personal Development, Health and Physical Education | 4 |
| 1947 | McCarthy Catholic College Emu Plains | Emu Plains | Studies of Religion I | 4 |
| 1948 | Menai High School | Menai | Modern History | 4 |
| 1949 | Merewether High School | Broadmeadow | Music 2 | 4 |
| 1950 | Merewether High School | Broadmeadow | Textiles and Design | 4 |
| 1951 | Meriden School | Strathfield | Drama | 4 |
| 1952 | Meriden School | Strathfield | English Extension 2 | 4 |
| 1953 | Meridian College Pty Ltd | Surry Hills | Mathematics Extension 1 | 4 |
| 1954 | MLC School | Burwood | Design and Technology | 4 |
| 1955 | MLC School | Burwood | General Mathematics | 4 |
Source: NSW Education Standards Authority (NESA).
Supplementary data from school publications.
Supplementary data from school publications.
Last Updated: 22 Feb 2021