Best Portsmouth Public High Schools (2026)

For the 2026 school year, there is 1 public high school serving 1,014 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 62% 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 19% of the student body (majority Hispanic), which is more than the New Hampshire public high school average of 18% (majority Hispanic).