St Paul's Grammar School is an independent, non-denominational Christian, co-educational early learning, primary and secondary day school.

The school was founded in 1983 in Cranebrook, an outer western suburb of Sydney, New South Wales, Australia.

St. Paul's Grammar School has approximately 860 students, from early learning through kindergarten to year 12.

Co-curricular activities offered by the school include music groups, dance classes, drama groups, the Duke of Edinburgh Award scheme, chess and Bible study groups, and a New South Wales Rural Fire Service Cadets program.

[4] Sports offered by the school include: athletics (track and field – carnivals), cross country running, basketball, cricket, indoor soccer, netball, soccer, tennis, and touch football.