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
Japanese gunboat Sumida (1939) Japanese gunboat Sumida (1939) "Sumida" was the second of two vessels in the river gunboats authorized under the 3rd Naval Armaments Supplement Programme of 1937. "Sumida" had a hull with an overall length of and width of , with a normal displacement of 338 tons and draft of . She was propelled by two Kampon steam turbine engines with two boilers driving two shafts, producing and had a top speed of 17 knots. The ship was armed with one /28 cal. gun and one 25mm machine gun. " Sumida" was laid down on 13 April 1939 and launched 30 October