| Osborne, Richard George | Perth Modern Senior High School | Senior Master/Mistress (Teacher) English | 1978 |
| Osborne, Richard George | Perth Modern Senior High School | Senior Master/Mistress (Teacher) English | 1979 |
| Osborne, Richard George | Perth Modern High SchoolSenior High School | Senior Master/Mistress (Teacher) English | 1980 |
| Osborne, Robert William | Carnarvon Primary School | Master (Teacher) | 1971 |
| Osborne, Robert William | Coolbellup Primary School | Master (Teacher) | 1972 |
| Osborne, Robert William | Three Springs Primary School III | Master (Teacher) | 1973 |
| Osborne, Robert William | Three Springs Primary School III | Master (Teacher) | 1975 |
| Osborne, Robert William | Three Springs Primary School II | Master (Teacher) | 1976 |
| Osborne, Robert William | Three Springs Primary School | Master (Teacher) | 1977 |
| Osborne, Robert William | Mt Tarcoola Primary School | Master (Teacher) | 1978 |
| Osborne, Robert William | Geraldton Regional Office | Education Officer | 1979 |
| Osborne, Robert William | Geraldton Regional Office | Acting Education Officer | 1980 |
| Osborne, Robin William | Bentley Senior High School | Master (Teacher) | 1972 |
| Osborne, Susan | Champman Valley Primary School | Mistress (Teacher) on Probation | 1969 |
| Osborne, Susan | Chapman Valley Primary School | Mistress (Teacher) on Probation | 1970 |
| Osborne, Susan Margaret | Merredin Senior High School | Mistress (Teacher) | 1975 |
| Osborne, Susan Primula | Sperwood Primary School | Mistress (Teacher) | 1971 |
| Osbourne, Adeline | Katanning II. | 1st Female Assistant Teacher | 1930 |
| Osbourne, John | Caversham V | A./C. | 1949 |
| Osbourne, Richard | Hillcrest Primary School IA I | Master (Teacher) | 1963 |
| Osbourne, Richard | Hillcrest AI Primary School | Master (Teacher) | 1965 |
| Oschsner, Russell L. | Armadale Senior High School | Temporary Master (Teacher) | 1970 |
| Oshannessy, J. | Cyril Jackson Senior High School | Clerical Asst FT | 1969 |
| OShannessy, J. | Cyril Jackson Senior High School | Clerical Assistant F.T. | 1970 |
| OShaughnessy, David Eugene | Gnowangerup Primary School | Master (Teacher) | 1980 |
| OShaughnessy, Thomas | Konongorring VII | Head Teacher | 1934 |
| OShaughnessy, Thomas` | KonongorringVII | Head Teacher | 1935 |
| OShea, Muriel | Protheroe VIII | Head Teacher on Supply | 1917 |
| OShea, Rose Anne | Yale Primary School | Mistress (Teacher) | 1978 |
| Osiejak, John | Gnowangerup Junior High School | Master (Teacher) on Probation | 1968 |
| Osiejak, John S. | National Service Trainees | Master (Teacher) on Probation | 1969 |
| OSillivan, Katherine | Mitchell School | Assistant Teacher | 1950 |
| Osman, Jeffrey Barry | Eastern Goldfields Senior High School | Master (Teacher) | 1979 |
| Osman, John | Eastern Goldfields Senior High School | Master (Teacher) | 1975 |
| Osman, John | Eastern Goldfields Senior High School | Master (Teacher) | 1976 |
| Osman, John | Eastern Goldfields Senior High School | Master (Teacher) | 1977 |
| Osman, John | Girrawheen Senior High School | Master (Teacher) | 1980 |
| Osman, Rose-Marie Antonia | Lockridge Senior High School | Mistress (Teacher) | 1978 |
| Osman, Susan | Cyril Jackson Senior High School | Temporary Mistress (Teacher) | 1970 |
| Osman, Susan Mary | Lockridge Senior high School | Mistress (Teacher) | 1977 |
| Osman, Trevor Alan | Eastern Goldfields Senior High School | Master (Teacher) | 1978 |
| Osmetti, Charles | Tuart Hill Senior High School | Master (Teacher) on Probation | 1966 |
| Osmetti, Charles | Calista Primary School | Master (Teacher) on Probation | 1967 |
| Osmetti, Charles K. | Calista Primary School | Master (Teacher) | 1968 |
| Osmetti, Charles K. | Calista Primary School | Master (Teacher) | 1969 |
| Osmetti, Charles K. | Kalgoorlie Primary School | Master (Teacher) | 1970 |
| Osmetti, Charles Kenneth | Kalgoorlie Primary School | Master (Teacher) | 1971 |
| Osmetti, Charles Kenneth | Kalgoorlie Primary School | Master (Teacher) | 1972 |
| Osmetti, Charles Kenneth | Kalgoorlie Primary School I | Master (Teacher) | 1973 |
| Osmetti, Charles Kenneth | Kalgoorlie Primary School IA | Master (Teacher) | 1975 |
