Nile C. Kinnick High School is a U.S. military-operated school that originally opened in Yokohama, Japan in 1946 during the occupation after World War II. The school later moved to US Fleet Activities Yokosuka, Japan in 1971, but kept the Yo-Hi Red Devils mascot to honor the schools beginnings. The school was named after Nile Clarke Kinnick, Jr. in 1990. Kinnick High School usually has around 600 students and is about 45 km from Tokyo.