St Mary's College, Toowoomba is an independent Catholic senior primary and secondary school for boys, located in Newtown, Toowoomba, Queensland, Australia. The College was established by the Congregation of Christian Brothers in 1899 and is a member of Edmund Rice Education Australia.
In 2016, the school had an enrolment of 851 students from Years 5 to 12. St Mary's College has an iPad program to improve learning.