Eton College

Eton College, or just Eton, is a British independent school for boys between the ages of 1318. It was founded in 1440 by King Henry VI, as the King's College of Our Lady of Eton. 
Eton College is in Eton, near Windsor in the English county of Berkshire. It is north of Windsor Castle. The school is one of the original nine English "public schools" as defined by the Public Schools Act 1868. The school is a member of the Eton Group of independent schools in the United Kingdom. The current Headmaster is Simon Henderson. For every 8 pupils there is one teacher. 
Eton is a full boarding school. All pupils live at the school. It is one of four such remaining boys' public schools (the others being Winchester College, Harrow School, and Radley College). Eton has educated many British and foreign aristocrats. Prince William and his brother Prince Harry went there. 
The list of graduates includes twenty former prime ministers, including David Cameron and Boris Johnson. "The Good Schools Guide" called the school "the number one boys' public school", adding "The teaching and facilities are second to none". The school is a member of the G20 Schools Group. It is registered as a charity.