- Principals
- Sister Hannah CSC (1895–1903)
- Sister Adele CSC (1903–1912)
- Sister Mildred CSC (1912–1925)
- Sister Persis CSC (1925–1933)
- Sister Dora Beatrice CSC (1934–1939)
- Sister Eudora CSC (1939–1944)
- Sister Karina CSC (1945–1949)
- Sister Shirley CSC (1950–1952)
- Sister Gabrielle CSC (1953–1954)
- Sister Patricia CSC (1955–1963)
- Sister Scholastica CSC (1963–1966)
- Sister Gabrielle CSC (1966–1967)
- Sister Scholastica CSC (1967–1968)
- Sister Elizabeth May CSC (1968–1970)
- Sister Scholastica CSC (1971–1972)
- Headmistresses
- May Vicars Foote (1937–1946)
- Dorothy Benson (1963–1965)
- Margaret Thomas (1965–1979)
- Headmaster
- Anthony Hewison, AM (1980–1999)
- Head of the School
- Simon Gipson (2000–present)
Read more about this topic: St Michael's Grammar School