| School | Suburb | Date Certified |
|---|---|---|
| ONE ARM POINT REMOTE COMMUNITY SCHOOL | Broome | February 2016 |
| ONGERUP PRIMARY SCHOOL | Ongerup | March 2007 |
| ORELIA PRIMARY SCHOOL | Orelia | June 2018 |
| OSBORNE PRIMARY SCHOOL | Osbourne Park | March 2007 |
| OUR LADY OF MERCY | Girrawheen | June 2015 |
| OUR LADY STAR OF THE SEA | Esperance | February 2007 |
| OUR LADY'S ASSUMPTION SCHOOL | Dianella | November 2012 |
| PALMYRA PRIMARY SCHOOL | Palmyra | June 2007 |
571 certified schools found.