Westbourne Grammar School is an independent and non-denominational Christian co-educational day school in Truganina, an outer south-western suburb of Melbourne, Victoria, Australia. Westbourne has two campuses. The larger campus, opened in 1978, is located on Sayers Road in Truganina and offers classes for students at all levels, kindergarten to the Victorian Certificate of Education (VCE). A smaller campus is situated in nearby Williamstown and provides education for students up to and including Year 3. There is also a childcare centre at the Truganina campus.