| 1901 | Cert of Merit | DE BRUIN, NARISSA MESSINA | Carine Senior High School | Carine | ||
| 1902 | Cert of Merit | DE GUZMAN, RANDY AUDRIC | Melville Senior High School | Melville | ||
| 1903 | Cert of Merit | DE LACY, SEBASTIAN | Hale School | Wembley Downs | ||
| 1904 | Cert of Merit | DE MOELLER-SAMARIN, ANDRE | Aquinas College | Salter Point | ||
| 1905 | Cert of Merit | DE MOOIJ, AMY | John Calvin Christian College | Armadale | ||
| 1906 | Cert of Merit | DE NARDI, LILLI | St Hildas Anglican School for Girls | Mosman Park | ||
| 1907 | Cert of Merit | DE SARAN, LOUIS | Mazenod College | Lesmurdie | ||
| 1908 | Cert of Merit | DE VILLIERS, TARYN JESSICA | Mindarie Senior College | Mindarie | ||
| 1909 | Cert of Merit | DE VITA, JESSICA | Perth College | Mount Lawley | ||
| 1910 | Cert of Merit | DEAN, LILIAN | Penrhos College | Como | ||
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| 1911 | Cert of Merit | DEAN, WILLIAM | Frederick Irwin Anglican School | Mandurah | ||
| 1912 | Cert of Merit | DELACEY, RUBY KENDLE | Albany Senior High School | Albany | ||
| 1913 | Cert of Merit | DEMARTI, ADAM LUKE | Eaton Community College | Eaton | ||
| 1914 | Cert of Merit | DEMPSTER, PHOEBE | Iona Presentation College | Mosman Park | ||
| 1915 | Cert of Merit | DEN BOER, STEPHEN | John Calvin Christian College | Armadale | ||
| 1916 | Cert of Merit | DERODRA, BHAIRVI | Churchlands Senior High School | Churchlands | ||
| 1917 | Cert of Merit | DERRICK, ABIGAIL JANE | North Lake Senior Campus | Kardinya | ||
| 1918 | Cert of Merit | DERSCHOW, KATELYN | The Kings College | Wellard | ||
| 1919 | Cert of Merit | DESVEAUX, CLAUDIA | Mater Dei College | Edgewater | ||
| 1920 | Cert of Merit | DEVESON, JONATHAN | Great Southern Grammar School | Kalgan | ||
| 1921 | Cert of Merit | DEVLIN, RUBY | Newman College | Churchlands | ||
| 1922 | Cert of Merit | DEWAN, NIRJANA | Rossmoyne Senior High School | Rossmoyne | ||
| 1923 | Cert of Merit | DEWAR, EMERSEN GRAESON | Collie Senior High School | Collie | ||
| 1924 | Cert of Merit | DI CHIERA, SOFIA | Mount Lawley Senior High School | Mount Lawley | ||
| 1925 | Cert of Merit | DI CICCO, SAMANTHA | Servite College | Tuart Hill | ||
| 1926 | Cert of Merit | DI CINO, DAVID | Servite College | Tuart Hill | ||
| 1927 | Cert of Merit | DI IORIO, OLIVIA | Santa Maria College | Attadale | ||
| 1928 | Cert of Merit | DIBBIN, PHOEBE | Kennedy Baptist College | Murdoch | ||
| 1929 | Cert of Merit | DICK, ROHAN | Scotch College | Swanbourne | ||
| 1930 | Cert of Merit | DICKHART, ALIESHA MAE | Eastern Goldfields College | Kalgoorlie | ||
| 1931 | Cert of Merit | DICKSON, CONNOR | Ursula Frayne Catholic College | Victoria Park | ||
| 1932 | Cert of Merit | DIEP, SANG | Ballajura Community College | Ballajura | ||
| 1933 | Cert of Merit | DILLON, ALANNAH | Mercedes College | Perth | ||
| 1934 | Cert of Merit | DIMMICK, LILY | Iona Presentation College | Mosman Park | ||
| 1935 | Cert of Merit | DINGLEY, THOMAS | Hale School | Wembley Downs | ||
| 1936 | Cert of Merit | DIX, THOMAS CHARLES | Carine Senior High School | Carine | ||
| 1937 | Cert of Merit | DIXON-HOTCHKIN, JAIMEE | Bunbury Catholic College | Bunbury | ||
| 1938 | Cert of Merit | DIZON, PHERLYN | Canning Vale College | Canning Vale | ||
| 1939 | Cert of Merit | DO, VAN QUYNH | Mount Lawley Senior High School | Mount Lawley | ||
| 1940 | Cert of Merit | DODAMPE GAMAGE, NISILA DINIL | Rossmoyne Senior High School | Rossmoyne | ||
| 1941 | Cert of Merit | DODDS, GIVERNY | Kennedy Baptist College | Murdoch | ||
| 1942 | Cert of Merit | DODGE, LACHLAN | Aquinas College | Salter Point | ||
| 1943 | Cert of Merit | DOHERTY, KATHLEEN | Mercedes College | Perth | ||
| 1944 | Cert of Merit | DOLLAR, RACHELLE | All Saints College | Bull Creek | ||
| 1945 | Cert of Merit | DOLMAN, KYLA | Perth College | Mount Lawley | ||
| 1946 | Cert of Merit | DONALDSON, ELIZA | Presbyterian Ladies College | Peppermint Grove | ||
| 1947 | Cert of Merit | DONALDSON, PAIGE | Lesmurdie Senior High School | Lesmurdie | ||
| 1948 | Cert of Merit | DONALDSON, TANIKA JANE | Safety Bay Senior High School | Safety Bay | ||
| 1949 | Cert of Merit | DONG, NGUYEN | Perth Modern School | Subiaco | ||
| 1950 | Cert of Merit | DONNISON, ANIKA | Swan Christian College | Middle Swan | ||
Last Updated: 24 Dec 2018