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Schools in Portsmouth School District

6 public schools in this New Hampshire school district: 4 elementary · 1 middle · 1 high. Ranked by our score, based on 2025-26 state test results.

Rankings renumber to share equal ranks and fill gaps when schools are hidden. Scores compare each school with schools of the same type across New Hampshire.

Elementary schools

4 schools in Portsmouth School District, best first
1
Mary C. Dondero Elementary School 94.9
Portsmouth · Grades K-5 · 337 students
ELA 78%Math 79%Science 70%
#11 of 205 in New Hampshire · #1 in Portsmouth
2
New Franklin School 94.4
Portsmouth · Grades K-5 · 256 students
ELA 85%Math 80%Science 54%
#12 of 205 in New Hampshire · #2 in Portsmouth
3
Little Harbour School 93.4
Portsmouth · Grades K-5 · 335 students
ELA 78%Math 84%Science 51%
#14 of 205 in New Hampshire · #3 in Portsmouth
–
PEEP School - Pre School Program —
Portsmouth · Grades PK · 18 students
No published test results

Middle schools

1 school in Portsmouth School District
1
Portsmouth Middle School 91.4
Portsmouth · Grades 6-8 · 472 students
ELA 77%Math 62%Science 52%
#8 of 87 in New Hampshire

High schools

1 school in Portsmouth School District
1
Portsmouth High School 93.9
Portsmouth · Grades 9-13 · 1,025 students
ELA 82%Math 51%Science 61%
#6 of 90 in New Hampshire

Cities and towns in Portsmouth School District

Nearby school districts