| 1801 | Cert of Merit | CLEMENCE, PAUL WILLIAM | Kent Street Senior High School | Kensington | ||
| 1802 | Cert of Merit | CLEVERLY, ALANA | Servite College | Tuart Hill | ||
| 1803 | Cert of Merit | CLIFFORD, DYLAN | CBC Fremantle | Fremantle | ||
| 1804 | Cert of Merit | CLIFFORD, HARRISON | Great Southern Grammar School | Kalgan | ||
| 1805 | Cert of Merit | CLIFFORD, MATTHEW JOHN | Willetton Senior High School | Willetton | ||
| 1806 | Cert of Merit | CLIFFORD, NIAMH | Santa Maria College | Attadale | ||
| 1807 | Cert of Merit | COCHRANE, KATE | St Marys Anglican Girls School | Karrinyup | ||
| 1808 | Cert of Merit | CODE, BROOKE ELIZABETH | Lesmurdie Senior High School | Lesmurdie | ||
| 1809 | Cert of Merit | COETZEE, RONALD | Quinns Baptist College | Mindarie | ||
| 1810 | Cert of Merit | COLBOURNE, SOPHIA | Prendiville Catholic College | Ocean Reef | ||
| |
||||||
| 1811 | Cert of Merit | COLEMAN, BENJAMIN | Hale School | Wembley Downs | ||
| 1812 | Cert of Merit | COLEMAN, JASMYN | Carey Baptist College | Harrisdale | ||
| 1813 | Cert of Merit | COLEMAN, PHOEBE | St Hildas Anglican School for Girls | Mosman Park | ||
| 1814 | Cert of Merit | COLLIE, BAILEY | Seton Catholic College | Samson | ||
| 1815 | Cert of Merit | COLLINS, ADELE | Frederick Irwin Anglican School | Mandurah | ||
| 1816 | Cert of Merit | COLLINS, EMMA | Kingsway Christian College | Darch | ||
| 1817 | Cert of Merit | COLLINS, LIAM | Scotch College | Swanbourne | ||
| 1818 | Cert of Merit | COLTMAN, ANNA GRACE | Woodvale Secondary College | Woodvale | ||
| 1819 | Cert of Merit | COLWELL-MORSE, MADDISON AMY | Eastern Goldfields College | Kalgoorlie | ||
| 1820 | Cert of Merit | COMITO, MIKAYLA | St Marys Anglican Girls School | Karrinyup | ||
| 1821 | Cert of Merit | COMPTON, MIKAYLA | Frederick Irwin Anglican School | Mandurah | ||
| 1822 | Cert of Merit | CONGDON, MADELEINE | Bunbury Catholic College | Bunbury | ||
| 1823 | Cert of Merit | CONNELL, ELEANOR | Churchlands Senior High School | Churchlands | ||
| 1824 | Cert of Merit | CONNOLLY, JONATHON PATRICK | Shenton College | Shenton Park | ||
| 1825 | Cert of Merit | CONNOLLY, MIKAYLA | Newman College | Churchlands | ||
| 1826 | Cert of Merit | CONSTANTINE, BRADLEY JOHN | Halls Head College | Halls Head | ||
| 1827 | Cert of Merit | CONSTANTINE, LUCY | Presbyterian Ladies College | Peppermint Grove | ||
| 1828 | Cert of Merit | COOK, BONNIE APRIL | Newton Moore Senior High School | South Bunbury | ||
| 1829 | Cert of Merit | COOK, JESSE | Nagle Catholic College | Geraldton | ||
| 1830 | Cert of Merit | COOK, LIANNA | Sacred Heart College | Sorrento | ||
| 1831 | Cert of Merit | COOK, MICHAEL | Corpus Christi College | Bateman | ||
| 1832 | Cert of Merit | COOK, ROBERT | Churchlands Senior High School | Churchlands | ||
| 1833 | Cert of Merit | COOMBES, SAMUEL STEVEN | Duncraig Senior High School | Duncraig | ||
| 1834 | Cert of Merit | COOPER, CAITLIN | Penrhos College | Como | ||
| 1835 | Cert of Merit | COOPER, EVE | St Brigids College | Lesmurdie | ||
| 1836 | Cert of Merit | COOPER, HARRISON | St Josephs College | Albany | ||
| 1837 | Cert of Merit | COOPER, JACINTA THERESE | WA College of Agriculture Morawa | Morawa | ||
| 1838 | Cert of Merit | COOPER, NIAMH FRANCES | Leeming Senior High School | Leeming | ||
| 1839 | Cert of Merit | COOPER, REBEKAH CHARMAINE | Greenwood College | Greenwood | ||
| 1840 | Cert of Merit | COOPER, TZAR | Rossmoyne Senior High School | Rossmoyne | ||
| 1841 | Cert of Merit | COPCUTT, MADELINE | Methodist Ladies College | Claremont | ||
| 1842 | Cert of Merit | COPE, CHARLIE WROSE | Esperance Senior High School | Esperance | ||
| 1843 | Cert of Merit | COPELAND, AARON DOUGLAS | Newton Moore Senior High School | South Bunbury | ||
| 1844 | Cert of Merit | CORLESS, SOPHIE | Carey Baptist College | Harrisdale | ||
| 1845 | Cert of Merit | CORNELI, ISABELLA | Swan Valley Anglican Community School | Aveley | ||
| 1846 | Cert of Merit | CORREIA, AIMEE | Presbyterian Ladies College | Peppermint Grove | ||
| 1847 | Cert of Merit | COSGROVE, CHIARA | St Stephens School Duncraig | Duncraig | ||
| 1848 | Cert of Merit | COSKUN, STELLA | Chisholm Catholic College | Bedford | ||
| 1849 | Cert of Merit | COTGREAVE, HARRISON | Wesley College | South Perth | ||
| 1850 | Cert of Merit | COUTINHO, JAI | Guildford Grammar School | Guildford | ||
Last Updated: 24 Dec 2018