Williamwood High School is a non-denominational comprehensive secondary school in Clarkston, East Renfrewshire, Scotland, with a roll of around 1700 pupils. It was originally opened in the 1930s as Eastwood Senior Secondary School, located on Seres Road in the Williamwood area of Clarkston. In 2006 the school relocated to a new site at Eaglesham Road on the southern edge of Clarkston, with fields and farm roads to the south, west and north, about 1.5 miles from the original site. As of 2018, the school contained 1632 pupils out of a capacity of 1710.

Clarkston is a suburban town in East Renfrewshire, in the Central Lowlands of Scotland. A dormitory town with a population of around 10,000, Clarkston is on the southern fringe of the Greater Glasgow conurbation and directly adjoins the neighbouring suburban villages of Busby and Netherlee, as well as the towns of Newton Mearns and Giffnock.