Serving 1,022 students in grades 9-13, Portsmouth High School ranks in the top 10% of all schools in New Hampshire for overall test scores (math proficiency is top 20%, and reading proficiency is top 20%).
The percentage of students achieving proficiency in math is 61% (which is higher than the New Hampshire state average of 40%). The percentage of students achieving proficiency in reading/language arts is 79% (which is higher than the New Hampshire state average of 51%).
The student:teacher ratio of 12:1 is higher than the New Hampshire state level of 11:1.
Minority enrollment is 18% of the student body (majority Hispanic and Asian), which is equal to the New Hampshire state average of 18% (majority Hispanic).
Quick Stats (2025)
- Grades: 9-13
- Enrollment: 1,022 students
- Student:Teacher Ratio: 12:1
- Minority Enrollment: 18%
- Graduation Rate: 95% (Top 20% in NH)
- Overall Testing Rank: Top 10%
- Math Proficiency: 61% (Top 20%)
- Reading Proficiency: 79% (Top 5%)
- Science Proficiency: 35% (Btm 50%)
- Source: National Center for Education Statistics (NCES), NH Dept. of Education
Top Rankings
Portsmouth High School ranks among the top 20% of public schools in New Hampshire for:
Category
Attribute
Overall Rank
Math Proficiency
Reading/Language Arts Proficiency
Graduation Rate
School Overview
Portsmouth High School's student population of 1,022 students has declined by 9% over five school years.
The teacher population of 87 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-13
(No virtual instruction)
(No virtual instruction)
Total Students
1,022 students
Gender %
Total Classroom Teachers
87 teachers
School Rankings
Portsmouth High School ranks within the top 10% of all 457 schools in New Hampshire (based off of combined math and reading proficiency testing data).
The diversity score of Portsmouth High School is 0.32, which is equal to the diversity score at state average of 0.32. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#45 out of 457 schools
(Top 10%)
(Top 10%)
Math Test Scores (% Proficient)
61%
40%
Reading/Language Arts Test Scores (% Proficient)
79%
51%
Science Test Scores (% Proficient)
35%
36%
Student : Teacher Ratio
12:1
11:1
American Indian
n/a
n/a
Asian
4%
3%
Hispanic
5%
8%
Black
1%
2%
White
82%
82%
Hawaiian
n/a
n/a
Two or more races
8%
5%
All Ethnic Groups
Graduation Rate
95%
88%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
9%
20%
Eligible for Reduced Lunch
2%
4%
School District Name
Source: National Center for Education Statistics (NCES), NH Dept. of Education
Profile last updated: 02/09/2025
Frequently Asked Questions
What is Portsmouth High School's ranking?
Portsmouth High School is ranked #45 out of 457 schools, which ranks it among the top 10% of public schools in New Hampshire.
What schools are Portsmouth High School often compared to?
Portsmouth High Schoolis often viewed alongside schools like Exeter High School, Winnacunnet High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
61% of students have achieved math proficiency (compared to the 40% NH state average), while 79% of students have achieved reading proficiency (compared to the 51% NH state average).
What is the graduation rate of Portsmouth High School?
The graduation rate of Portsmouth High School is 95%, which is higher than the New Hampshire state average of 88%.
How many students attend Portsmouth High School?
1,022 students attend Portsmouth High School.
What is the racial composition of the student body?
82% of Portsmouth High School students are White, 8% of students are Two or more races, 5% of students are Hispanic, 4% of students are Asian, and 1% of students are Black.
What is the student:teacher ratio of Portsmouth High School?
Portsmouth High School has a student ration of 12:1, which is higher than the New Hampshire state average of 11:1.
What grades does Portsmouth High School offer ?
Portsmouth High School offers enrollment in grades 9-13 (No virtual instruction).
What school district is Portsmouth High School part of?
Portsmouth High School is part of Portsmouth School District.
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