Portsmouth Middle School
🇺🇸 Official data · 2025Portsmouth, New Hampshire 03801 · Portsmouth School District
#13 of 93 middle schools in New Hampshire
#433 of 15,369 nationally
About Portsmouth Middle School
Portsmouth Middle School is a public middle located in Portsmouth, in the Portsmouth School District school district of New Hampshire, United States. It caters for Grades 6–8. In 2025 it enrolled 486 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 88.3 out of 100, placing it in the top 5% of middle schools in United States and 13th of 93 ranked middle schools in New Hampshire. Its strongest component is community advantage (fewer free/reduced-price lunch) (93th percentile), and its weakest is math proficiency (85th percentile).
Other published figures: enrollment 486.
There are 6 schools in Portsmouth; Portsmouth Middle School ranks 4th of 5 scored schools there.
Success Index (US) breakdown
Each component is a percentile against middle schools across United States.
- Math proficiency (30%)67%
- Reading proficiency (30%)71%
- Community advantage (fewer free/reduced-price lunch) (25%)17.3%
- Students per teacher (15%)10.3
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Portsmouth Middle School by the official sources.
- Enrollment
- 486
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 17.3%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 10.3
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 71%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 67%
- Share of tested students proficient or above (all students, all grades).
Free academic assessment
Is your child on grade level in reading and math?
Success Tutoring offers personalised English and math tutoring from Kindergarten to Grade 12. Start with a free online assessment and a clear plan for the year ahead.
- Personalised learning plan mapped to the Australian Curriculum
- English & Maths from Kindergarten to Year 12
- Flexible memberships, no lock-in contracts
- Centres across NSW, VIC, QLD, WA, SA and ACT
Schools near Portsmouth Middle School
Closest schools by straight-line distance, with their Success Index (US).
Little Harbour School
Portsmouth · Public elementary · Grades K–5
325 students · 902 m away
PEEP School - Pre School Program
Portsmouth · Public other · Grades PK–PK
24 students · 902 m away
New Franklin School
Portsmouth · Public elementary · Grades K–5
247 students · 1.5 km away
Portsmouth High School
Portsmouth · Public high · Grades 9–13
1,017 students · 1.6 km away
Robert W Traip Academy
Kittery · Public high · Grades 9–12
294 students · 2.2 km away
Maude H. Trefethen School
New Castle · Public elementary · Grades K–6
33 students · 3.0 km away
Mary C. Dondero Elementary School
Portsmouth · Public elementary · Grades K–5
328 students · 4.0 km away
Shapleigh School
Kittery · Public middle · Grades 4–8
357 students · 4.8 km away
Horace Mitchell Primary School
Kittery Point · Public elementary · Grades PK–3
315 students · 4.9 km away
Rye Elementary School
Rye · Public elementary · Grades PK–4
211 students · 5.0 km away
Similar schools
Public middle schools in New Hampshire with a comparable Enrollment.
Merrimack Middle School
Merrimack · Public middle · Grades 7–8
480 students
Merrimack Valley Middle School
Penacook · Public middle · Grades 6–8
466 students
Lebanon Middle School
Lebanon · Public middle · Grades 5–8
464 students
Weare Middle School
Weare · Public middle · Grades 4–8
454 students
Bow Memorial School
Bow · Public middle · Grades 5–8
524 students
Milford Middle School
Milford · Public middle · Grades 6–8
445 students
Frequently asked questions
Is Portsmouth Middle School a good school?
Portsmouth Middle School has a Success Index (US) of 88.3 out of 100 (Top 5% of middle schools in United States) and ranks #13 of 93 in New Hampshire. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Portsmouth Middle School rank in New Hampshire?
Portsmouth Middle School ranks #13 of 93 middle schools in New Hampshire and #433 of 15,369 nationally on the Success Index (US) (2025 data).
How many students attend Portsmouth Middle School?
Portsmouth Middle School had 486 students in 2025.
Is Portsmouth Middle School a elementary school or a high school?
Portsmouth Middle School is classified as a middle covering Grades 6–8. It is a public school.
What other schools are near Portsmouth Middle School?
There are 10 schools within 15 km of Portsmouth Middle School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.