Schools in Portsmouth, New Hampshire (2025)
6 schools · 2,427 students · 6 public · median Enrollment 328.
Portsmouth, in New Hampshire, has 6 schools in United States's 2025 data, together educating about 2,427 students. By level there are 3 elementary, 1 middle, 1 high, 1 other; by sector 6 public.
The median Enrollment across Portsmouth's schools is 328, above the New Hampshire median of 276. Students enrolled in the latest NCES directory year.
5 of the 6 schools qualify for the Success Index (US). The highest-scoring is New Franklin School (94.5, top 5% of elementary schools nationally), followed by Little Harbour School (93.9, top 5% of elementary schools nationally), and Mary C. Dondero Elementary School (92.7, top 5% of elementary schools nationally). 5 schools sit in the top 10% of United States for their type. Scores are percentiles within school type, so compare an elementary school with other elementary schools.
The largest schools are Portsmouth High School (1,017 students), Portsmouth Middle School (486 students), Mary C. Dondero Elementary School (328 students).
Ranked schools in Portsmouth
Ordered by Success Index (US). Rank positions shown on each profile are within United States and New Hampshire.
- 195New Franklin SchoolPortsmouth · Public Elementary87% Math proficiency · 247 students
- 294Little Harbour SchoolPortsmouth · Public Elementary78% Math proficiency · 325 students
- 393Mary C. Dondero Elementary SchoolPortsmouth · Public Elementary77% Math proficiency · 328 students
- 488Portsmouth Middle SchoolPortsmouth · Public Middle67% Math proficiency · 486 students
- 579Portsmouth High SchoolPortsmouth · Public High52% Math proficiency · 1,017 students
| # | School | Sector | Success Index (US) | Key result | Students |
|---|---|---|---|---|---|
| 1 | New Franklin School Portsmouth · Elementary · Grades K–5 | Public | 94.5 Top 5% | 87% Math proficiency | 247 |
| 2 | Little Harbour School Portsmouth · Elementary · Grades K–5 | Public | 93.9 Top 5% | 78% Math proficiency | 325 |
| 3 | Mary C. Dondero Elementary School Portsmouth · Elementary · Grades K–5 | Public | 92.7 Top 5% | 77% Math proficiency | 328 |
| 4 | Portsmouth Middle School Portsmouth · Middle · Grades 6–8 | Public | 88.3 Top 5% | 67% Math proficiency | 486 |
| 5 | Portsmouth High School Portsmouth · High · Grades 9–13 | Public | 79.1 Top 10% | 52% Math proficiency | 1,017 |
Other schools in Portsmouth
Schools without a rank: fewer than 60 students, no published Enrollment, or a school type that is not scored.
Compare the top 4 schools in Portsmouth side by side →
Other places in New Hampshire
- Manchester(28)
- Nashua(24)
- Salem(10)
- Keene(10)
- Derry(9)
- Concord(8)
- Rochester(8)
- Claremont(7)
- Merrimack(7)
- Hudson(7)
- Dover(6)
- Bedford(6)
- Londonderry(6)
- Newport(6)
- Exeter(5)
- Littleton(5)
- Conway(5)
- Windham(5)
- Laconia(5)
- Milford(5)
- Penacook(4)
- Pembroke(4)
- Lebanon(4)
- Bow(4)
- Peterborough(4)
- Goffstown(4)
- Wolfeboro(4)
- Hampton(4)
- Hollis(4)
- Raymond(4)
- Somersworth(4)
- Weare(3)
- Gorham(3)
- Milton(3)
- Amherst(3)
- Barrington(3)
- Berlin(3)
- Bethlehem(3)
- Hanover(3)
- Epping(3)
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
Frequently asked questions
What is the best school in Portsmouth?
New Franklin School is the highest-ranked school in Portsmouth with a Success Index (US) of 94.5 out of 100 (Top 5% of elementary schools in United States).
How many schools are in Portsmouth?
Portsmouth has 6 schools (3 elementary, 1 middle, 1 high, 1 other) educating 2,427 students in 2025.
What is the typical Enrollment in Portsmouth?
The median Enrollment across schools in Portsmouth is 328. Students enrolled in the latest NCES directory year.