For the 2026 school year, there is 1 public high school serving 1,022 students in Portsmouth, NH. The top-ranked public high school in Portsmouth, NH is Portsmouth High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Portsmouth, NH public high school have an average math proficiency score of 53% (versus the New Hampshire public high school average of 35%), and reading proficiency score of 79% (versus the 61% statewide average). High schools in Portsmouth have an average ranking of 9/10, which is in the top 20% of New Hampshire public high schools.
Portsmouth, NH public high school have a Graduation Rate of 97%, which is more than the New Hampshire average of 88%.
The school with highest graduation rate is Portsmouth High School, with 97% graduation rate. Read more about public school graduation rate statistics in New Hampshire or national school graduation rate statistics.
Minority enrollment is 18% of the student body (majority Hispanic), which is more than the New Hampshire public high school average of 17% (majority Hispanic).
Best Public High Schools in Portsmouth, NH (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Portsmouth High School
(Math: 53% | Reading: 79%)
Rank:
Rank:
9/
Top 20%10
50 Andrew Jarvis Dr.
Portsmouth, NH 03801
(603) 436-7100
Portsmouth, NH 03801
(603) 436-7100
Gr: 9-13 | 1,022 student Student-teacher ratio: 12:1 Minority enrollment: 18%
Portsmouth, New Hampshire Public Schools (Closed)
School
Location
Quick Facts
100 Campus Dr Ste 21
Portsmouth, NH 03801
(603) 422-8228
Portsmouth, NH 03801
(603) 422-8228
Gr: PK | 31 students Student-teacher ratio: 16:1 Minority enrollment: 13%
Frequently Asked Questions
What are the top-ranked public high schools in Portsmouth, NH?
The top-ranked public high schools in Portsmouth, NH include Portsmouth High School. Portsmouth has one of the highest concentrations of top-ranked public schools in New Hampshire.
How many public high schools are located in Portsmouth?
1 public high schools are located in Portsmouth.
What is the racial composition of students in Portsmouth?
Portsmouth public high schools minority enrollment is 18% of the student body (majority Hispanic), which is more than the New Hampshire public high schools average of 17% (majority Hispanic).
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