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Portsmouth High School

Public Grades 9-12
6th
SchoolDigger Rank ?
of 86 New Hampshire High Schools
Better than 93% of New Hampshire high schools
Summary

Portsmouth High School is a public high school serving grades 9-12 in Portsmouth, New Hampshire. With an enrollment of 1,025 students, the school is part of the Portsmouth School District, which is ranked 9th out of 158 districts in the state and has a 5-star rating from SchoolDigger.

Portsmouth High School consistently ranks among the top high schools in New Hampshire, with a statewide ranking between 4th and 22nd over the past several years. The school's performance on standardized tests is particularly impressive, with significantly higher proficiency rates compared to the state average in mathematics, reading, and science. Additionally, the school excels in serving various student subgroups, including female, Asian, Hispanic, and special education students. Portsmouth High School maintains high four-year graduation rates, ranging from 87.6% to 97.1%, and low dropout rates, ranging from 0.7% to 3.4%, which are better than the state average.

When compared to nearby high schools, such as Epping High School, Somersworth High School, and Great Bay Charter School, Portsmouth High School stands out as a top-performing institution, consistently outperforming these schools in academic metrics. The school's consistent high performance, diverse student population, and commitment to supporting all learners make it an exemplary model for other high schools to emulate.

1,017
Students ?
11.4
Student/teacher ratio ?
$19,004
Per pupil spending ?
11%
Free/discounted lunch ?
 50 Andrew Jarvis Dr.
       Portsmouth, NH  03801-5474

(603) 436-7100

District: Portsmouth School District


Feeder schools for Portsmouth High School:

Elementary:    Little Harbour School
    Mary C. Dondero Elementary School
    New Franklin School
Middle:    Portsmouth Middle School
Racial breakdown:

White:
80.8%
Two or more races:
7.7%
Hispanic:
5.8%
more
 See top rated New Hampshire high schools

 Compare Portsmouth High School to nearby high schools!
At a glance
Ranking trend: Improving — 73rd percentile in 2014 → 93rd in 2025
Strengths
Test scores above the New Hampshire average (65% vs 46% meeting standards)
Ranks in the top 7% of New Hampshire high schools
96% graduate in 4 years — above the New Hampshire average (87%)
Worth a look
!Some student groups rank well below the school's overall statewide standing
Students meeting standards (2024-2025) ?
This school65%
District avg67%
New Hampshire avg46%
6th of 86
New Hampshire public high schools ?
Top 7%▲ up 51 pts since 2015
From bottom 42% (2015) to top 7% (2025)
See the entire ranking list of New Hampshire High Schools →
SchoolDigger rating ?
9th of 158Portsmouth School District among New Hampshire districts
Statewide rank percentile over time (100 = the top-ranked school in the state; click a legend item to add a student group)
Show full rank history (all student groups)

All Students

YearAvg scoreStatewide rankNew Hampshire percentileRating
202590.66 of 8693.0%★★★★★
202492.14 of 8795.4%★★★★★
202386.212 of 8585.9%★★★★☆
202272.216 of 8581.2%★★★★☆
202165.222 of 8473.8%★★★★☆
201872.417 of 8179.0%★★★★☆
201786.010 of 8287.8%★★★★☆
201677.914 of 8483.3%★★★★☆
201538.145 of 7741.6%★★☆☆☆
201468.323 of 8572.9%★★★★☆
201360.927 of 8367.5%★★★★☆
201271.719 of 8377.1%★★★★☆
201181.011 of 8186.4%★★★★☆
201064.026 of 8167.9%★★★☆☆
200983.07 of 7991.1%★★★★★

Asian

YearAvg scoreStatewide rankNew Hampshire percentileRating
202574.83 of 1275.0%★★★★☆
202488.42 of 1485.7%★★★★★

Female

YearAvg scoreStatewide rankNew Hampshire percentileRating
202592.54 of 8095.0%★★★★★
202490.95 of 8193.8%★★★★★
202383.812 of 7884.6%★★★★☆
202273.217 of 7978.5%★★★★☆
202166.812 of 5979.7%★★★★☆
201967.917 of 6373.0%★★★★☆
201874.210 of 6083.3%★★★★☆

Hispanic

YearAvg scoreStatewide rankNew Hampshire percentileRating
202570.43 of 1478.6%★★★★☆
202456.87 of 2065.0%★★★☆☆
202260.33 of 966.7%★★★★☆
202179.01 of 580.0%★★★★★
201957.03 of 966.7%★★★★☆
201876.81 of 785.7%★★★★★

Male

YearAvg scoreStatewide rankNew Hampshire percentileRating
202581.212 of 7884.6%★★★★☆
202491.58 of 8290.2%★★★★★
202383.615 of 7880.8%★★★★☆
202273.114 of 7882.1%★★★★☆
202164.117 of 6071.7%★★★★☆
201966.814 of 6177.0%★★★★☆
201868.611 of 6182.0%★★★★☆

Multi-racial

YearAvg scoreStatewide rankNew Hampshire percentileRating
202572.13 of 966.7%★★★★☆
202463.25 of 1050.0%★★★☆☆
202368.33 of 1070.0%★★★★☆
202258.14 of 742.9%★★★☆☆
202136.11 of 250.0%★★★★★

Special Education

YearAvg scoreStatewide rankNew Hampshire percentileRating
202577.36 of 3582.9%★★★★☆
202479.64 of 3287.5%★★★★★
202376.95 of 2982.8%★★★★☆
202250.215 of 3253.1%★★★☆☆
202134.512 of 1414.3%★☆☆☆☆
201947.513 of 3158.1%★★★☆☆
201855.38 of 2161.9%★★★☆☆

White

YearAvg scoreStatewide rankNew Hampshire percentileRating
202590.07 of 8691.9%★★★★★
202493.23 of 8796.6%★★★★★
202385.311 of 8386.7%★★★★☆
202273.116 of 8581.2%★★★★☆
202165.415 of 6777.6%★★★★☆
201971.614 of 6678.8%★★★★☆
201880.09 of 6485.9%★★★★☆
How student groups rank statewide ? (each group's percentile vs the same group at other schools — higher is better; the +/- beside each compares the group with this school's overall percentile)
Female (2025)95th percentile~ school
White (2025)92nd percentile~ school
Male (2025)85th percentile-8 vs school
Special Education (2025)83rd percentile-10 vs school
Hispanic (2025)79th percentile-14 vs school
Asian (2025)75th percentile-18 vs school
Multi-racial (2025)67th percentile-26 vs school
By subject vs New Hampshire (2024-2025) ?
Reading80%+25 vs state
Science61%+23 vs state
Mathematics52%+10 vs state

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Frequently Asked Questions about Portsmouth High School

Portsmouth High School is fed by the following schools:

Elementary : Little Harbour School
Elementary : Mary C. Dondero Elementary School
Elementary : New Franklin School
Middle : Portsmouth Middle School

Students at Portsmouth High School are 81% White, 8% Two or more races, 6% Hispanic, 5% Asian.

In the 2024-25 school year, 1,017 students attended Portsmouth High School.

Yes. Portsmouth High School ranks in the top 7.0% of New Hampshire high schools.


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SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau and the New Hampshire Department of Education.

IMPORTANT DISCLAIMERS: Not all boundaries are included. We make every effort to ensure that boundaries are up-to-date. But it's important to note that these are approximations and are for general informational purposes only. To verify legal descriptions of boundaries or school locations, contact your local tax assessor's office and/or school district.





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