Westbourne School is a coeducational independent day and boarding school, nursery and prep school for pupils between the ages of 2 and 18 located in the commuter town of Penarth, in the Vale of Glamorgan, Wales 5.2 miles south west from the Welsh capital city of Cardiff.

Penarth is a town and community in the Vale of Glamorgan, Wales, approximately 3 miles (4.8 km) south of Cardiff city centre on the west shore of the Severn Estuary at the southern end of Cardiff Bay.