Silverdale School is a coeducational secondary school and sixth form with academy status, in Sheffield, South Yorkshire, England. It opened in 1957 as a Secondary Modern school, and became a comprehensive school in 1969. It serves approximately 1,200 pupils from the local area, from ages 11 to 18. In 2004 Silverdale was placed 4th in Sheffield school performance exam league tables. Recent Ofsted reports have been outstanding, as of 2015. The school converted to academy status in January 2013.