📊 Data: NCES CCD 2024–2025·🔄 Updated: August 2026·Editorial standards
📍 Portsmouth, NH · Rockingham County

Portsmouth School District

Grades Pre-K – Ungraded · 2,490 students · 6 schools · 1 zip code

10
out of 10 Rating Excellent
State reading & math proficiency · 93rd percentile among New Hampshire districts. Ranked within New Hampshire only — not comparable across states.
Check a Zip Code
33,000+ zip codes across all 50 states
School District · New Hampshire
Portsmouth School District
📍 Portsmouth, NH · Rockingham County · NCES LEAID 3305820
10/10
Rating
2,490
Students
6
Schools
Pre-K – Ungraded
Grade Span
1
Zip Codes

District Contact & Information

Source: NCES CCD 2024–25
📚
Grades Served
Pre-K – Ungraded
📞
District Phone
📍
District Mailing Address
1 Junkins Avenue Suite 402, Portsmouth, NH 03801
🎓
Enrollment
2,490 students
🏫
Schools
6
🏷
NCES District ID (LEAID)
3305820
🏛
District Type
Public School District

Schools in Portsmouth School District

6 schools listed
SchoolLevelGradesStudentsCity
Little Harbour SchoolElementaryKindergarten – 5th325Portsmouth
Mary C. Dondero Elementary SchoolElementaryKindergarten – 5th328Portsmouth
New Franklin SchoolElementaryKindergarten – 5th247Portsmouth
PEEP School - Pre School ProgramElementaryPre-K24Portsmouth
Portsmouth Middle SchoolMiddle6th – 8th486Portsmouth
Portsmouth High SchoolHigh9th – Ungraded1,017Portsmouth

Zip Codes Served by Portsmouth School District

1 zip code
Zip CodeCityCountyState
03801PortsmouthRockingham CountyNH

Frequently Asked Questions

What zip codes are in Portsmouth School District?
Portsmouth School District serves 1 zip code: 03801. Zip codes and district boundaries do not line up exactly, so confirm your exact address with the district office before you rely on an assignment.
How is Portsmouth School District rated?
Portsmouth School District has an overall rating of 10 out of 10 (Excellent), based on the share of students proficient in reading and math on state assessments (NCES EDFacts). That places it in the 93rd percentile among New Hampshire school districts. Ratings are percentile-ranked within New Hampshire only and are not comparable across states.
How many students attend Portsmouth School District?
The NCES Common Core of Data directory reports enrollment of 2,490 students across 6 schools for Portsmouth School District.
What grades does Portsmouth School District serve?
Portsmouth School District is listed in the NCES directory as serving grades Pre-K – Ungraded.
What schools are in Portsmouth School District?
NCES lists 6 schools operating under Portsmouth School District: 4 elementary, 1 middle, 1 high. Each school's grade span, enrollment and city are listed on this page. Attendance zones are set by the district and a school on this list is not necessarily the one your address is assigned to.
How do I contact Portsmouth School District?
You can reach Portsmouth School District by phone at (603)431-5080 or online at www.cityofportsmouth.com/school or by mail at 1 Junkins Avenue Suite 402, Portsmouth, NH 03801. Contact details come from the NCES district directory and are the best way to confirm which school your address is assigned to.

About Portsmouth School District

Portsmouth School District is a public school district serving 1 zip code in New Hampshire, primarily in Rockingham County. It carries an overall rating of 10/10 (Excellent), the 93rd percentile among New Hampshire districts. That rating reflects the share of students proficient in reading and math on state assessments (NCES EDFacts, 2021–22 for most districts with a 2017–18 fallback for the rest) and is ranked only against other New Hampshire districts — scores are not comparable between states. Directory details on this page come from the NCES Common Core of Data, 2024–25.

Schools in this district

NCES lists 6 schools operating under Portsmouth School District — 4 elementary, 1 middle and 1 high. The largest by enrollment is Portsmouth High School with 1,017 students. School-level enrollment comes from the NCES Common Core of Data school directory; a school with no reported enrollment is shown with a dash rather than a zero.

Checking your own address

District boundaries are address-specific and do not follow zip code lines exactly — a single zip code can be split between two or more districts. Use the zip codes listed above as a starting point, then confirm your assignment with the district office at (603)431-5080 before making a housing decision.