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) commissioned into the Republic of China Navy as the "Chiang Hsi" (). She was removed from the Japanese navy list on 3 May 1947. Captured during the Chinese Civil War by the People’s Republic of China, she was commissioned into the People's Liberation Army Navy on 30 November 1949 as the gunboat "Fu Jiang" (). She was finally scrapped in the 1960s. 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 ,