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Hiroshima International School holds three formal accreditation/membership statuses public on its site. The school is accredited by the Council of International Schools (CIS) and by the International Baccalaureate Organisation (IBO). It is also a member of the Japan Council of International Schools (JCIS). CIS accreditation is current, with a CIS reaccreditation announced on January 6, 2026. The IB accreditation confirms the school offers IB programmes (PYP, MYP, and the Diploma Programme) as part of its IB World School status. The JCIS membership situates HIS within a national network of international schools in Japan. References: HIS accreditation page, which states “Accredited by the Council of International Schools and the International Baccalaureate Organisation. A member of the Japan Council of International Schools.”; HIS About/IB information showing IB World School status and PYP/MYP/DP offerings; CIS reaccreditation notice. Citations: turn1view0; turn0search1; turn2view0; turn0search0.
Hiroshima International School (HIS) is an IB World School founded in 1962 and located in Kurakake, Asakita-ku, on the edge of Hiroshima in a quiet residential district. Students follow the IB Primary Years Programme (ages 3–11), Middle Years Programme (Grades 6–10), and Diploma Programme (Grades 11–12). English is the language of instruction, and Japanese is taught as a subject. The campus facilities listed by the school include a large gymnasium, library, music room, art room, dance studio, science laboratory and an enclosed playground. A distinctive feature is the Thousand Crane Club: each year students deliver paper cranes sent from around the world to the Children’s (Sadako) Monument in Peace Memorial Park.