Serving 472 students in grades 6-8, Portsmouth Middle School ranks in the top 20% 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 57% (which is higher than the New Hampshire state average of 40%). The percentage of students achieving proficiency in reading/language arts is 74% (which is higher than the New Hampshire state average of 51%).
The student:teacher ratio of 10:1 is lower than the New Hampshire state level of 11:1.
Minority enrollment is 25% of the student body (majority Asian), which is higher than the New Hampshire state average of 18% (majority Hispanic and Asian).
Quick Stats (2025)
- Grades: 6-8
- Enrollment: 472 students
- Student:Teacher Ratio: 10:1
- Minority Enrollment: 25%
- Overall Testing Rank: Top 20% in NH
- Math Proficiency: 57% (Top 20%)
- Reading Proficiency: 74% (Top 10%)
- Science Proficiency: 50-54% (Top 20%)
- Source: National Center for Education Statistics (NCES), NH Dept. of Education
Top Rankings
Portsmouth Middle School ranks among the top 20% of public schools in New Hampshire for:
Category
Attribute
Overall Rank
Math Proficiency
Reading/Language Arts Proficiency
Science Proficiency
Diversity
School Overview
Portsmouth Middle School's student population of 472 students has declined by 11% over five school years.
The teacher population of 47 teachers has declined by 6% over five school years.
Grades Offered
Grades 6-8
(No virtual instruction)
(No virtual instruction)
Total Students
472 students
Gender %
Total Classroom Teachers
47 teachers
School Rankings
Portsmouth Middle School ranks within the top 20% of all 457 schools in New Hampshire (based off of combined math and reading proficiency testing data).
The diversity score of Portsmouth Middle School is 0.42, which is more than the diversity score at state average of 0.32. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#58 out of 457 schools
(Top 20%)
(Top 20%)
Math Test Scores (% Proficient)
57%
40%
Reading/Language Arts Test Scores (% Proficient)
74%
51%
Science Test Scores (% Proficient)
50-54%
36%
Student : Teacher Ratio
10:1
11:1
American Indian
n/a
n/a
Asian
7%
3%
Hispanic
5%
8%
Black
1%
2%
White
75%
82%
Hawaiian
n/a
n/a
Two or more races
12%
5%
All Ethnic Groups
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
13%
20%
Eligible for Reduced Lunch
1%
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 Middle School's ranking?
Portsmouth Middle School is ranked #58 out of 457 schools, which ranks it among the top 20% of public schools in New Hampshire.
What percent of students have achieved state testing proficiency in math and reading?
57% of students have achieved math proficiency (compared to the 40% NH state average), while 74% of students have achieved reading proficiency (compared to the 51% NH state average).
How many students attend Portsmouth Middle School?
472 students attend Portsmouth Middle School.
What is the racial composition of the student body?
75% of Portsmouth Middle School students are White, 12% of students are Two or more races, 7% of students are Asian, 5% of students are Hispanic, and 1% of students are Black.
What is the student:teacher ratio of Portsmouth Middle School?
Portsmouth Middle School has a student ration of 10:1, which is lower than the New Hampshire state average of 11:1.
What grades does Portsmouth Middle School offer ?
Portsmouth Middle School offers enrollment in grades 6-8 (No virtual instruction).
What school district is Portsmouth Middle School part of?
Portsmouth Middle School is part of Portsmouth School District.
School Reviews
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