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
Two Rivers Detention Facility increased to over $40 million and it had cost the City of Hardin $582,595 paid to Two Rivers since 2004 to maintain the facility. Emerald ceased all business in 2017. Montana U.S. Senator Steve Daines has pressed the Bureau of Indian Affairs to contract with the facility, hoping to hold prisoners by January 2018. Two Rivers Detention Facility Two Rivers Regional Detention Facility is a privately operated detention facility located in Hardin, Montana, which was first proposed as economic development in 2004, and was completed in the summer of 2007. It first held prisoners in 2014, substantially under capacity, until