Birkdale School is a Christian independent school for pupils aged 4–18, in the city of Sheffield, South Yorkshire in England. Founded by Maurice Asterley, in 1904, the school provides education underpinned by a strong Christian ethos. Birkdale is a member of the Headmasters' and Headmistresses' Conference, and is a registered charity, educating roughly 1000 students per annum. Previously just a boys school, since 1995 girls have been admitted to the Sixth Form, with the whole school becoming co-educational in September 2020, starting with the youngest four year groups. Source: Wikipedia (en)