International School Manila (abbreviation: ISM) is a private, non-profit, non-sectarian international school located in Bonifacio Global City, Taguig, Metro Manila, Philippines. Founded in 1920 as the American School by a group of American and British parents living in Manila, it adopted its present name in 1970. International School Manila is one of six members of the Interscholastic Association of Southeast Asian Schools (IASAS).