The International School Bangkok (ISB; Thai: โรงเรียนสถานศึกษานานาชาติ, RTGS: Rong Rian Sathan Suksa Nana Chat) is a private PK-12 American-style school in the Pak Kret District of Nonthaburi Province, Thailand in the Bangkok Metropolitan Area. It is accredited by the Western Association of Schools and Colleges (WASC) in the United States.