| Costello, Winifred | Brentwood - Primary - Class II | Mistress (Teacher) | 1958 |
| Costello, Winifred | Brentwood Primary School | Mistress (Teacher) | 1959 |
| Costello, Winifred | Brentwood Primary School I | 1st Mistress (Teacher) | 1960 |
| Costello, Winifred | Brentwood Primary School I | 1st Mistress (Teacher) | 1962 |
| Costello, Winifred | Attadale Primary School I | Mistress (Teacher) | 1963 |
| Costello, Winifred | Attadale Primary School I | Mistress (Teacher) V.R. | 1964 |
| Costello, Winifred L. | Brentwood Primary School I | 1st Mistress (Teacher) | 1961 |
| Coster, Carrie | Claremont Primary School | MI/I | 1968 |
| Coster, Jane | Cue IV | Junior Monitor | 1905 |
| Coster, Jane | Cue IV | Junior Monitor | 1906 |
| Coster, Jane | Cue IV | Senior Monitor | 1907 |
| Coster, Jane | Cue IV | Assistant Teacher | 1910 |
| Coster, Jane | Cue IV | Assistant Teacher | 1911 |
| Coster, Jane | Cue VI | Assistant Teacher | 1912 |
| Coster, Jane | Cue V. | Assistant Teacher | 1914 |
| Coster, Jane | Cue V | Assistant Teacher | 1915 |
| Coster, Jane | Cne V | Assistant Teacher | 1917 |
| Coster, Lisa Karen | Wilson Park Primary School | Mistress (Teacher) Pre Primary | 1978 |
| Coster, Lisa Karen | Wilson Park Primary School | Mistress (Teacher) Pre Primary | 1979 |
| Coster, Susan Helen | Toodyay Junior HighSchool | Mistress (Teacher) | 1973 |
| Costley, Helen Elizabeth | Merredin Senior High School | Mistress (Teacher) | 1980 |
| Coswell, Laura | Norring VII | Head Teacher | 1939 |
| Cotchin, Gail Hilary | Carnavon Senior High School | Mistress (Teacher) | 1980 |
| Cotching, Gabrielle Elizabeth | Padbury Primary School IA | Mistress (Teacher) | 1975 |
| Cotching, Gabrielle Elizabeth | Padbury Primary School IA | Mistress (Teacher) | 1976 |
| Cotching, Gabrielle Elizabeth | Padbury Primary School | Mistress (Teacher) | 1977 |
| Cote, David Gordon | Eastern Goldfields Senior High School | Master (Teacher) | 1978 |
| Cote, Niki | Eastern Goldfields Senior High School | Master (Teacher) | 1977 |
| Cote, Niki | Eastern Goldfields Senior High School | Master (Teacher) | 1979 |
| Cote, Niki | Eastern Goldfields Senior High School | Master (Teacher) | 1980 |
| Cothers, Danny | Bunbury Senior High School | Master (Teacher) | 1969 |
| Cottam, Monica Mary | Tuart Hill Primary School IA | Mistress (Teacher) | 1975 |
| Cotte, Pamela Angela | Ashfield Primary School | Mistress (Teacher) | 1977 |
| Cotte, Pamela Angela | Ashfield Primary School | Mistress (Teacher) | 1978 |
| Cotte, Pamela Angela | Ashfield Primary School | Mistress (Teacher) | 1979 |
| Cotte, Pamela Angela | Ashfield Primary School | Mistress (Teacher) | 1980 |
| Cotteral, Terry | John Forrest Senior High School | Master (Teacher) | 1971 |
| Cotterall, Terry | John Forrest Senior High School | Temporary Master (Teacher) | 1970 |
| Cotterill, Judyth Anne | Boulder High SchoolJunior Primary School | Mistress (Teacher) | 1971 |
| Cotterill, Judyth Anne | Boulder Junior Primary School I | Mistress (Teacher) | 1973 |
| Cottle, Mary | Collie Primary School | Mistress (Teacher) on Probation | 1957 |
| Cottle, Mary | Collie Primary - Class I | Mistress (Teacher) on Probation | 1958 |
| Cottle, Mary | Fremantle East Primary School I | Mistress (Teacher) | 1960 |
| Cottle, Mary Lou | East Fremantle Primary School | Mistress (Teacher) | 1959 |
| Cottman, Janita Helen | Cyril Jackson Senior High School | Mistress (Teacher) | 1977 |
| Cottman, Janita Helen | Cyril Jackson Senior High School | Mistress (Teacher) | 1979 |
| Cottman, Janita Helen | Cyril Jackson Senior High School | Mistress (Teacher) | 1980 |
| Cottman, Jocelyn Ann | Cyril Senior High School | Mistress (Teacher) | 1978 |
| Cottman, Margaret | Swimming Classes | Assistant Teacher on Probation | 1948 |
| Cottman, Margaret | Gwalia IV | Assistant Teacher | 1949 |
