The Gyeonggi Suwon International School (GSIS) is an international school located in Suwon, Gyeonggi Province, South Korea. GSIS is one of two schools in South Korea accredited by the IBO to offer all three programs: the PYP, MYP and DP. It opened on September 16, 2006 and educates students in junior kindergarten (ages 3–4) to Grade 12.