Ashville College is a co-educational independent school for both day and boarding pupils aged 3–18 in Harrogate, North Yorkshire, England. Its headmaster, Richard Marshall, is a member of the Headmasters' and Headmistresses' Conference. It was founded in 1877 as a boarding school for boys by the United Methodist Free Church, and incorporated Elmfield College and New College, Harrogate in the 1930s. It is now open to non-Methodists and to those of non-Christian religions. The college accepted girls in 1982 and is fully co-educational. It thrives as the oldest independent school in Harrogate and owns an estate of 60 acres on the south side of the spa town.