| Duncan, John | Victoria Park East I | Assistant Teacher on Probation | 1941 |
| Duncan, John | Chidlow VI | Head Teacher | 1942 |
| Duncan, John | Victoria Park East I | Assistant Teacher | 1942 |
| Duncan, John | Chidlow VI | Head Teacher | 1943 |
| Duncan, John | Victoria Park East I | Assistant Teacher | 1943 |
| Duncan, John | Chidlow VI | Head Teacher | 1944 |
| Duncan, John | Victoria Park East I | Assistant Teacher | 1944 |
| Duncan, John | Chidlow VI | Head Teacher | 1945 |
| Duncan, John | Victoria Park East I | Assistant Teacher | 1945 |
| Duncan, John | Chidlow VI | Head Teacher | 1946 |
| Duncan, John | Yalgoo VII | Head Teacher | 1946 |
| Duncan, John | Serpentine VI | Head Teacher | 1947 |
| Duncan, John | Yalgoo VII | Head Teacher | 1947 |
| Duncan, John | Serpentine VI | Head Teacher | 1948 |
| Duncan, John | Yalgoo VII | Head Teacher | 1948 |
| Duncan, John | Jandakot VI | Head Teacher | 1949 |
| Duncan, John | Yorkrakine VII | Head Teacher | 1949 |
| Duncan, John | Jandakot High School | Head Teacher | 1950 |
| Duncan, John | Yorkakine High School I | Head Teacher | 1950 |
| Duncan, John | Jandakot High School | Head Teacher | 1951 |
| Duncan, John | Yorkrakine High School I | Head Teacher | 1951 |
| Duncan, John | Jandakot High School | Head Teacher | 1952 |
| Duncan, John | Yorkrakine I Junior High School | Head Teacher | 1952 |
| Duncan, John | Jandakot Primary School | Head Teacher | 1953 |
| Duncan, John | Shackleton Primary School | Head Teacher | 1953 |
| Duncan, John | Jandakot IV | Headmaster | 1954 |
| Duncan, John | Shackleton IV | Headmaster | 1954 |
| Duncan, John | Jandakot Primary School IV | Headmaster | 1955 |
| Duncan, John | Shackleton Primary School IV | Headmaster | 1955 |
| Duncan, John | Gingin Primary School | Headmaster | 1956 |
| Duncan, John | Jandakot Primary School | Headmaster | 1956 |
| Duncan, John | Gingin Primary School | Headmaster | 1957 |
| Duncan, John | Gingin Primary - Class IV | Headmaster | 1958 |
| Duncan, John | Three Springs V | Headmaster | 1959 |
| Duncan, John | Wembley Primary School I | Temporary Deputy Headmaster | 1960 |
| Duncan, John | Wembley Primary School I | Relieving Headmaster | 1961 |
| Duncan, John | Allendale Primary School II | Temporary Headmaster | 1962 |
| Duncan, John | Allendale Primary School II | Headmaster | 1963 |
| Duncan, John | Kelmscott Primary School II | Headmaster | 1964 |
| Duncan, John | Kelmscott Primary School | Headmaster | 1965 |
| Duncan, John | Kelmscott Primary School | Headmaster | 1966 |
| Duncan, John | Dalkeith Primary School | Headmaster | 1968 |
| Duncan, John Bamlett Harris | Lynwood High School | Master (Teacher) | 1975 |
| Duncan, John Bamlett Harris | Lynwood High School | Master (Teacher) | 1976 |
| Duncan, John Bamlett Harris | Dalwallinu District High School | Relieving Deputy Principal | 1977 |
| Duncan, John Bamlett Harris | Carnarvon Senior High School | Master (Teacher) | 1979 |
| Duncan, John Bamlett Harris | Carnavon Senior High School | Master (Teacher) | 1980 |
| Duncan, John McKenzie | Norseman District High School | Master (Teacher) | 1976 |
| Duncan, John McKenzie | Hamilton Senior High School | Master (Teacher) | 1977 |
| Duncan, John McKenzie | Hamiliton Senior High School | Master (Teacher) | 1978 |
