Horizon Japan International School, also known as HJIS, is a Non-profit, Privately Owned institution headquartered in Japan. Founded in 2003, the school employs approximately 70 individuals. It operates as an international school located in Onocho, Kanagawa-ku, Yokohama, Kanagawa prefecture, Japan, educating students from preschool to high school – ages two and a half to eighteen – under the IB Diploma Programme.