| 2017 | Portsmouth Pythons | Portsmouth Pythons | Portsmouth Pythons |
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| 2015 | | ASL | Spencer |
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| 2013 | Reading Wildcats | Walcountian Blues | Spencer |
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| 1979 | Ernest Bevin School |
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| 1978 | Ernest Bevin School |
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| 1977 | Ernest Bevin School |
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| 1976 | Carshalton School |
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| 1975 | Ernest Bevin School |
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| 1974 | Carshalton School |
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| 1973 | Carshalton School |
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| 1972 | Swanley School |
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| 1971 | Swanley School |
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| 1970 | Sidcup |
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| 1969 | Garth School |
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| 1968 | Garth School |
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| 1967 | Hillcroft School |
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| 1966 | John Ruskin Grammar School |
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| 1965 | John Ruskin Grammar School |
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| 1964 | John Ruskin Grammar School |
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| 1963 | Henry Thornton School |
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| 1962 | Canterbury School |
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| 1961 | Lee |
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| 1960 | Lee |
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| 1959 | Kenton |
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| 1958 | Henry Thornton School |
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| 1957 | Henry Thornton School |
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| 1956 | Henry Thornton School |
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| 1955 | Henry Thornton School |
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| 1954 | Henry Thornton School |
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