| 1800 | Cert of Merit | Gomez, Alexis | Ellenbrook Secondary College | Ellenbrook | ||
| 1801 | Cert of Merit | Gonzalez Syminton, Lucas | John Curtin College of the Arts | Fremantle | ||
| 1802 | Cert of Merit | Gooch, Lachlan | St Marks Anglican Community School | Hillarys | ||
| 1803 | Cert of Merit | Goodchild, Taryn | Bullsbrook College | Bullsbrook | ||
| 1804 | Cert of Merit | Goodhew, Tylah | Thornlie Senior High School | Thornlie | ||
| 1805 | Cert of Merit | Goodwin, Ruby | Iona Presentation College | Mosman Park | ||
| 1806 | Cert of Merit | Gopal Subramanian, Karthik | Kolbe Catholic College | Rockingham | ||
| 1807 | Cert of Merit | Gopal, Dhevan | Mercy College | Koondoola | ||
| 1808 | Cert of Merit | Gordon, Oscar | Georgiana Molloy Anglican School | Busselton | ||
| 1809 | Cert of Merit | Gourlie, Cameron | Quinns Baptist College | Mindarie | ||
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| 1810 | Cert of Merit | Gowdie, Jazmin | Mandurah Catholic College | Mandurah | ||
| 1811 | Cert of Merit | Graffin, Amy | Sacred Heart College | Sorrento | ||
| 1812 | Cert of Merit | Graham, Jemima | Iona Presentation College | Mosman Park | ||
| 1813 | Cert of Merit | Granger, Emma | St Hildas Anglican School for Girls | Mosman Park | ||
| 1814 | Cert of Merit | Grdjan, Bianka | John Curtin College of the Arts | Fremantle | ||
| 1815 | Cert of Merit | Green, Daniel | Aquinas College | Salter Point | ||
| 1816 | Cert of Merit | Green, James | John XXIII College | Mount Claremont | ||
| 1817 | Cert of Merit | Green, Madison | St Marys Anglican Girls School | Karrinyup | ||
| 1818 | Cert of Merit | Greenaway, Edward | Christ Church Grammar School | Claremont | ||
| 1819 | Cert of Merit | Greenwood, Sanders | Prendiville Catholic College | Ocean Reef | ||
| 1820 | Cert of Merit | Greetham, Nicholas | Mindarie Senior College | Mindarie | ||
| 1821 | Cert of Merit | Gregorich, Katie | Prendiville Catholic College | Ocean Reef | ||
| 1822 | Cert of Merit | Grey, Jessica | Peter Moyes Anglican Community School | Mindarie | ||
| 1823 | Cert of Merit | Grida, Rosa-lie | Canning Vale College | Canning Vale | ||
| 1824 | Cert of Merit | Griffin, Nichole | Chisholm Catholic College | Bedford | ||
| 1825 | Cert of Merit | Griffiths, Lucy | Santa Maria College | Attadale | ||
| 1826 | Cert of Merit | Grubb, Alayna | St Brigids College | Lesmurdie | ||
| 1827 | Cert of Merit | Gualter, Ned | WA College of Agriculture Harvey | Wokalup | ||
| 1828 | Cert of Merit | Guest, Zara | Esperance Senior High School | Esperance | ||
| 1829 | Cert of Merit | Gulati, Pratham | Applecross Senior High School | Ardross | ||
| 1830 | Cert of Merit | Gunnink, Declan | John Calvin Christian College | Armadale | ||
| 1831 | Cert of Merit | Guruparan Sritharan, Sudarshan | Albany Senior High School | Albany | ||
| 1832 | Cert of Merit | Guy, Jaimee | Frederick Irwin Anglican School | Mandurah | ||
| 1833 | Cert of Merit | Ha, Su Yin | Kent Street Senior High School | Kensington | ||
| 1834 | Cert of Merit | Haar-Bellekom, Amalie | Churchlands Senior High School | Churchlands | ||
| 1835 | Cert of Merit | Hadfield, Stella | Greenwood College | Greenwood | ||
| 1836 | Cert of Merit | Hadland, Elise | Leeming Senior High School | Leeming | ||
| 1837 | Cert of Merit | Hadlow, Jack | Hale School | Wembley Downs | ||
| 1838 | Cert of Merit | Hailemariam, Kalkidan | Hampton Senior High School | Morley | ||
| 1839 | Cert of Merit | Hailes, Grace | St Marys Anglican Girls School | Karrinyup | ||
| 1840 | Cert of Merit | Hair, Imogen | Seton Catholic College | Samson | ||
| 1841 | Cert of Merit | Hales, Georgia | Bunbury Senior High School | Bunbury | ||
| 1842 | Cert of Merit | Hall, Abbielle | Kolbe Catholic College | Rockingham | ||
| 1843 | Cert of Merit | Hall, Blaise | Hale School | Wembley Downs | ||
| 1844 | Cert of Merit | Hall, Sigrid | Santa Maria College | Attadale | ||
| 1845 | Cert of Merit | Hall, Tabitha | Cyril Jackson Senior Campus | Bassendean | ||
| 1846 | Cert of Merit | Ham, Ewan | Wesley College | South Perth | ||
| 1847 | Cert of Merit | Hamilton, Alex | Belridge Secondary College | Beldon | ||
| 1848 | Cert of Merit | Hamilton, Geordie | Scotch College | Swanbourne | ||
| 1849 | Cert of Merit | Hamilton, Jessica | Manea Senior College | Bunbury | ||
Last Updated: 22 Jan 2023