Portsmouth High School is a Public School in with 1,078 students, ranking it #17 in enrollments out of 96 New Hampshire High Schools.
The 89 teachers at Portsmouth High School teach grades 9 through 12 and are responsible for 12.13 students on average, receiving a A grade in student-teacher ratio.
Based on several factors like math and ELA proficiency, diversity, and student-teacher ratio, Portsmouth High School receives a rating of B+.