Marlborough College is a public school (English independent boarding school) for pupils aged 13 to 18 in Marlborough, Wiltshire, England. Founded in 1843 for the sons of Church of England clergy, it is now co-educational. For the academic year 2015/16, Marlborough charged £9,610 per term for day pupils, making it the most expensive day school in the Headmasters' and Headmistresses' Conference (HMC) – the association of British independent schools.