| Kersten, Leslie | Fremantle North II | Monitor | 1920 |
| Kersten, Leslie | Fremantle Boys Central IA | Monitor | 1921 |
| Kersten, Leslie | Murray, Upper VII | Head Teacher on Probation | 1923 |
| Kersten, Leslie | Bartons Mill VII | Head Teacher on Probation | 1925 |
| Kersten, Leslie | Bartons Mill VII | Head Teacher on Probation | 1926 |
| Kersten, Leslie | Victoria Park East I | Assistant Teacher on Probation | 1927 |
| Kersten, Leslie | Treeton VII | Head Teacher on Probation | 1928 |
| Kersten, Leslie | Group 132 VII. | Head Teacher | 1930 |
| Kersten, Leslie | Dinninup VII. | Head Teacher | 1931 |
| Kersten, Leslie | Dinninup VII. | Head Teacher | 1931 |
| Kersten, Leslie | Dinninup VII. | Head Teacher | 1933 |
| Kersten, Leslie | Yornup VII | Head Teacher | 1934 |
| Kersten, Leslie | Yornup VII | Head Teacher | 1935 |
| Kersten, Leslie | Yornup VII | Head Teacher | 1936 |
| Kersten, Leslie | Yornup VII | Head Teacher | 1937 |
| Kersten, Leslie | Yornup VII | Head Teacher | 1938 |
| Kersten, Leslie | Mosman Park III | Assistant Teacher | 1939 |
| Kersten, Leslie | Mosman Park III | Assistant Teacher | 1940 |
| Kersten, Leslie | Mosman Park III | Assistant Teacher | 1941 |
| Kersten, Leslie | Mosman Park II | Assistant Teacher | 1942 |
| Kersten, Leslie | Mosman Park II | Temporary 1st Assistant Teacher | 1943 |
| Kersten, Leslie | Mosman Park II | Assistant Teacher | 1946 |
| Kersten, Leslie | Mosman Park II | Assistant Teacher | 1947 |
| Kersten, Leslie | Salvation Army Boys Home IV | A./C. | 1949 |
| Kersten, Leslie | Mosman Park High School II | Assistant Teacher | 1950 |
| Kersten, Leslie | Mosman Park II | Assistant Teacher | 1951 |
| Kersten, Leslie | Mosman Park Junior High School I | Temporary 1st Assistant Teacher | 1952 |
| Kersten, Leslie | Mosman Park Primary School I | Temporary 1st Assistant Teacher | 1953 |
| Kersten, Leslie | Mosman Park Sp | Master (Teacher) | 1954 |
| Kersten, Leslie | Mosman Park Primary School I | Relieving Deputy Headmaster | 1955 |
| Kersten, Leslie | Mosman Park Primary School | Master (Teacher) Trg. | 1956 |
| Kersten, Leslie | Rivervale Primary School | Deputy Headmaster | 1957 |
| Kersten, Leslie | Rivervale Primary - Class I | Deputy Headmaster | 1958 |
| Kersten, Leslie | Riverdale Primary School | R.D. | 1959 |
| Kersten, Leslie | Rivervale Primary School I | Deputy Headmaster | 1960 |
| Kersten, Leslie | Rivervale Primary School I | Relieving Headmaster | 1961 |
| Kersten, Leslie | Rivervale Primary School I | Deputy Headmaster | 1962 |
| Kersten, Leslie | Rivervale Primary School I | Deputy Headmaster | 1963 |
| Kersten, Leslie | Rivervale Primary School I | Deputy Headmaster | 1964 |
| Kersten, Leslie | Rivervale Primary School IA | Relieving Headmaster | 1965 |
| Kersten, Leslie | Rivervale Senior High School | Deputy Headmaster | 1966 |
| Kersten, Leslie | Rivervale Primary School | Deputy Headmaster | 1967 |
| Kersten, Roland | Esperance High School IV | Assistant Teacher on Probation | 1950 |
| Kersten, Ronald | Midland JunctionPerth Boys IA | Monitor on Probation | 1946 |
| Kersten, Ronald | Boulder IA | Assistant Teacher on Probation | 1949 |
| Kersten, Ronald | Esperance High School IV | Assistant Teacher on Probation | 1951 |
| Kersten, Ronald | Williams IV Junior High School | Assistant Teacher on Probation | 1952 |
| Kersten, Ronald | Williams Primary School IV | Assistant Teacher | 1953 |
| Kersten, Ronald | Bayswater I | Master (Teacher) | 1954 |
| Kersten, Ronald | Perth North Primary School I | Master (Teacher) | 1955 |
