The International School of Amsterdam (founded in 1964) is a private international school located in the city of Amstelveen, over 11 kilometres (6.8 mi) away from the city centre of Amsterdam. It hosts students from over 65 countries from pre-kindergarten to 12th grade (ages 3–18). The official language and language of instruction of the school is English. Dutch, French, German, Japanese, Mandarin, and Spanish are offered as additional languages. Around 50 other languages are spoken within the school community. The academic program is based on the International Baccalaureate Programme. Recently (2011-2012 School Year), there were around 1.000 enrolled in the school, from over 45 different nations.