Arakawa, Tokyo Nature Park Public elementary and middle schools are operated by the Arakawa City Board of Education. Public high schools are operated by the Tokyo Metropolitan Government Board of Education. The Tokyo First Korean Elementary and Junior High School (), a North Korean school, is in the ward. The metropolis operated the Tokyo Metropolitan College of Aeronautical Engineering in Arakawa until 2010. Additional facilities are under construction. Arakawa, Tokyo Arakawa has sister-city relationships with Donaustadt in Vienna, Austria, and with Corvallis, Oregon, U.S. Domestically, it has similar relationships with nine cities, towns and villages. As of May 1, 2015, the ward
Sumida River Ryosai I and his son Inoue Ryosai II. In the late 1890s, Ryosai I developed a style of applied figures on a surface with flowing glaze, based on Chinese glazes called "flambe." Sumida pieces could be teapots, ash trays, or vases, and were made for export to the West. Inoue Ryosai III, grandson of Ryosai I, moved the manufacturing site to Yokohama in 1924, but the pieces continued to be identified as Sumida ware. The pottery has been subject to various myths, such as being manufactured on the make-believe island of Poo, which was washed away by a typhoon, or