 It is the largest preparatory school in London and was originally a boys-exclusive school, turning fully coeducational in 1981.The school is known for its distinct uniform, which includes thick mustard cable-knit jumpers (known as 'golden jumpers'), burgundy corduroy knickerbockers, knitted hats, and bags in British racing-green.The school was founded in Switzerland in 1949 and in London in 1951 by Lieutenant-Colonel Townend.