For the 2025-26 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 (2025-26)
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 51³Ô¹ÏÍøºÚÁÏ (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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