Yokosuka Municipal Yokosuka Sogo High School is a secondary school located in Yokosuka, Kanagawa Prefecture, Japan. Yokosuka Sogo, which opened on April 1, 2003, is the only high school operated by the Yokosuka Education System, a municipally controlled school district serving Yokosuka residents. As of 2016, the principal of Yokosuka Sogo is Yoshiyuki Yamagishi.