Putney High School, GDST is an independent girls' day school in Putney, London. Often referred to as simply Putney, the school admits students from the ages 4–18. Founded in 1893 it is a member of the Girls' Day School Trust, a union of 26 schools with 19,500 students and 3,500 staff. The school uniform is purple and has always been since a uniform was put in place. On average, in the junior school, there are 48 children in a year, 2 classes in a year and 24 in each class. In the senior school, there are about 25–27 in a class and each year has an intake of about 110, so 4 classes a year.