Several schools in the U.S. are named Portland High School including:
Gregory-Portland High School — Portland, Texas Portland Adventist Academy — Portland, Oregon Portland High School — Portland, Connecticut Portland Arts and Technology High School — Portland, Maine Portland Christian School — Louisville, Kentucky Portland High School, which became Lincoln High School (Portland, Oregon) in 1909 Portland Christian Schools — Portland, Oregon Portland High School — Portland, Indiana Portland High School (Maine) — Portland, Maine Portland High School (Michigan) — Portland, Michigan Portland High School (Tennessee) — Portland, Tennessee South Portland High School — South Portland, Maine