Complex sentence: Whitgift School was situated near the Almshouses until 1931 when it moved to its current site in Haling Park in South Croydon, the Middle School (renamed Trinity School of John Whitgift in 1954) remained on the site until 1965 when it moved to Shirley Park.
Split into simpler sentences: Whitgift School was situated near the Almshouses until 1931 when it moved to its current site in Haling Park in South Croydon. The Middle School (renamed Trinity School of John Whitgift in 1954) remained on the site until 1965 when it moved to Shirley Park.