Westminster Abbey Choir School (W.A.C.S.) is a British boarding preparatory school and the only school in the United Kingdom exclusively for the education of boy choristers. It is located in Dean's Yard, by Westminster Abbey. It educates around 36 boys aged 7-13. The boys sing in the Choir of Westminster Abbey which takes part in state and national occasions and gives concert performances around the world. Its most recent tour was to Australia. The choirs makes frequent broadcasts and recordings..
The Headmaster is Jonathan Milton, former Headmaster of The Abbey School, Tewkesbury.
The original school opened in 1848; the present building was opened in 1915. It was extensively refurbished in 1994.
The Chairman of the Governors of the school is the Very Reverend John Hall, Dean of Westminster and former Chief Education Officer for the Church of England.
The school was inspected by the Independent Schools Inspectorate
in November 2006. The inspection report stated that the school provides an outstanding education.