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
Arakawa River (Fukushima) ineffective, and the river continued to periodically flood, culminating in a large-scale flood on August 5th, 1986. In 2004 the Arakawa River's flood control system was completely overhauled, and 13 new check dams were built along the main river and numerous other dams built on its tributaries. In 2008 the Agency for Cultural Affairs designated the Arakawa First Check Dam as a Registered Tangible Cultural Property. In 2007 the Arakawa River tied with six other rivers for having the best quality river water in country based on biochemical oxygen demand tests conducted by the Ministry of Land, Infrastructure, Transport and