Portsmouth High School

Portsmouth High School may refer to:


 * United Kingdom
 * Portsmouth High School (Southsea) &mdash; Southsea, England


 * United States
 * Portsmouth Abbey School &mdash; Portsmouth, Rhode Island (private school)
 * Portsmouth High School (Rhode Island) &mdash; Portsmouth, Rhode Island (public school)
 * Portsmouth High School (New Hampshire) &mdash; Portsmouth, New Hampshire
 * Portsmouth High School (Ohio) &mdash; Portsmouth, Ohio
 * Portsmouth West High School &mdash; West Portsmouth, Ohio