Initially, Indian students were the majority, but in the 2021 school year, the ratio reversed, with Japanese students going on to make up about 55% of overall students in the 2024 school year. Indian students accounted for around 35% of the total, with children from various backgrounds, including Chinese, South Korean and Russian, also attending. The number of campuses within the ward has grown from one to four. Currently, some 1,400 students aged between 3 and 18, equivalent to Japan's kindergarten through high school, attend GIIS.