The initial parcel of land upon which the current San Mateo campus was built was bought in 1964. The project, designed by architect Innes Webster, broke ground December 1969, with the first brick laid by HE the British Ambassador Sir Peter Hope, while Andre Desouches was headmaster. The final project was completed in 1971, although the school has undergone major renovation and expansion. A domed room, called 'The Dome", used as an alternate concert venue to the gymnasium and as the biggest examination hall, was built as a third floor on top of the science laboratories in 1997. In 2001, a further six-room expansion was made at the back of the Senior Block.