Sherrardswood School  Sherrardswood School is an independent, coeducational school for students aged two to eighteen, located in Welwyn, Hertfordshire, England. The school was founded in 1928 by Ethel Wragg.The current headmistress is Anna Wright. The current Chair of Governors is Ali Khan  John Clements (GC), a schoolmaster at the school, was posthumously awarded the George Cross on 7 December 1976 for actions during a school ski trip that saved the lives of thirty-seven children.