| Henderson, Alex W. | Kalgoorlie I | Assistant Teacher | 1911 |
| Henderson, Alex W. | Kalgoorlie I | Assistant Teacher | 1912 |
| Henderson, Alex W. | James Street I. | Temp. 1st A. | 1919 |
| Henderson, Alex. W | Kalgoorlie I | Assistant Teacher | 1918 |
| Henderson, Alex. W. | Boulder I | Assistant Teacher | 1905 |
| Henderson, Alexander | Kalgoorlie I | Assistant Teacher | 1906 |
| Henderson, Alexander | Kalgoorlie I | Assistant Teacher | 1908 |
| Henderson, Alexander | Kurrawang V | Temporary Head Teacher | 1921 |
| Henderson, Alexander | Caversham V | Head Teacher | 1923 |
| Henderson, Alexander | Capel V | Head Teacher | 1924 |
| Henderson, Alexander | Capel V | Head Teacher | 1925 |
| Henderson, Alexander | Capel V | Head Teacher | 1926 |
| Henderson, Alexander | Capel V | Head Teacher | 1927 |
| Henderson, Alexander | Capel V | Head Teacher | 1928 |
| Henderson, Alexander | Boulder, South V. | Head Teacher | 1929 |
| Henderson, Alexander | Boulder, South V. | Head Teacher | 1930 |
| Henderson, Alexander | Boulder, South V. | Head Teacher | 1931 |
| Henderson, Alexander | Boulder, South V. | Head Teacher | 1931 |
| Henderson, Alexander | Boulder, South V. | Head Teacher | 1933 |
| Henderson, Alexander | Wanneroo V | Head Teacher | 1934 |
| Henderson, Alexander | Wanneroo V | Head Teacher | 1936 |
| Henderson, Alexander | Wanneroo V | Head Teacher | 1937 |
| Henderson, Alexander | Cookernup VI | Monitor | 1943 |
| Henderson, Alexander | Unattached | Head Teacher on Probation | 1944 |
| Henderson, Alexander | Unattached | Head Teacher on Probation | 1945 |
| Henderson, Alexander | Unattached V | Head Teacher on Probation | 1946 |
| Henderson, Alexander | Richmond II | Temporary Assistant Teacher on Probation | 1949 |
| Henderson, Alexander | Richmond High School II | Assistant Teacher on Probation | 1950 |
| Henderson, Alexander | Richmond High School II | Assistant Teacher | 1951 |
| Henderson, Alexander | Perths Boys High School II | Assistant Teacher on Supply 7. | 1952 |
| Henderson, Alexander | East Perth I Junior High School | Assistant Teacher | 1952 |
| Henderson, Alexander | Perth Boys High School | Assistant Teacher on Supply | 1953 |
| Henderson, Alexander | Bicton Primary School | Assistant Teacher | 1953 |
| Henderson, Alexander | Bicton I | Master (Teacher) | 1954 |
| Henderson, Alexander | Bicton Primary School I | Master (Teacher) | 1955 |
| Henderson, Alexander | Mt Lawley Primary School | Master (Teacher) T.Trg. | 1956 |
| Henderson, Alexander | Mt Lawley Primary School | Master (Teacher) | 1957 |
| Henderson, Alexander | Mount Lawley Primary Class I | Relieving Deputy Headmaster | 1958 |
| Henderson, Alexander | Mount Lawley Primary School | Relieving Deputy Headmaster | 1959 |
| Henderson, Alexander | Mt Lawley Primary School I | Relieving Headmaster | 1960 |
| Henderson, Alexander | Mt Lawley Primary School I | Deputy Headmaster | 1961 |
| Henderson, Alexander | Mt Lawley Primary School I | Deputy Headmaster | 1962 |
| Henderson, Alexander | Mt Lawley Primary School I | Deputy Headmaster | 1963 |
| Henderson, Alexander | Mt Lawley Primary School I | Deputy Headmaster | 1964 |
| Henderson, Alexander | Mt Lawley Primary School | Deputy Headmaster | 1965 |
| Henderson, Alexander | Mt Lawley Senior High School | Deputy Headmaster | 1966 |
| Henderson, Alexander | Mount Lawley Primary School | Deputy Headmaster | 1967 |
| Henderson, Alexander | Mount Lawley Primary School | Deputy Headmaster | 1970 |
| Henderson, Alexander C. | Mount Lawley Primary School | Deputy Headmaster | 1968 |
| Henderson, Alexander C. | Mount Lawley Primary School | Deputy Headmaster | 1969 |
