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SCHOOL COMMUNITY·PORTSMOUTH SCHOOL DISTRICT·NCES 330582000378

Portsmouth Middle School

155 Parrott Ave., Portsmouth, NH 03801 · (603) 436-5781 · Rockingham County
GRADES 06–08MIDDLE23-SUBURBREGULAR SCHOOL486 STUDENTS
Enrollment
486
Middle
DISTRICT 405 · STATE 379
Student : Teacher
10.3:1
47 FTE teachers
DISTRICT 8.9:1 · STATE 11.1:1
Free / Reduced Lunch
17%
84 students
DISTRICT 18% · STATE 26%
Community
1
0 members
Enrollment and student:teacher ratio compared against other middle schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Grade 6
160
Grade 7
160
Grade 8
166
Student demographics
White
36375%
DISTRICT 78% · STATE 81%
Hispanic
255%
DISTRICT 6% · STATE 8%
Black
71%
DISTRICT 1% · STATE 2%
Asian
378%
DISTRICT 6% · STATE 3%
Two+
5411%
DISTRICT 8% · STATE 5%
Student head counts by race/ethnicity from federal NCES enrollment data. Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
24851%
Female
23849%

Discussions

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Test scores

NHSAS 2024-25 . % Above Proficient
English Language Arts
72.0%
NH avg 55.2%
Math
61.0%
NH avg 43.0%
Source: NHSAS. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
64.1%
composite math + reading, all grades
Predicted
52.4%
based on NH schools with similar FRL share
Beats by
+11.7pp
above demographic expectation
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

7-year change

SY 2017-18 vs SY 2024-25
Enrollment
486
-50 (-9%) vs 2017
Student : Teacher
10.3:1
was 10.3:1
% White
75%
was 80%
% Hispanic
5%
was 4%
% Black
1%
was 1%
% Asian
8%
was 5%
Source: NCES Common Core of Data

About Portsmouth Middle School

Portsmouth Middle School is a mid-sized junior high in Portsmouth, New Hampshire, one of the schools within Portsmouth School District. The school teaches 486 students in grades 6 through 8. That puts it 28% above the typical public school in New Hampshire, which averages around 379 students.

Across the 6 schools in Portsmouth School District (2,427 students total), Portsmouth Middle School accounts for its share of the district's footprint.

In terms of who attends, Portsmouth Middle School reports that the largest single group is White, at 75% of enrollment. The remainder comes out to 11% multiracial, 8% Asian, 5% Hispanic. By comparison, Rockingham County as a whole is about 91% White, so the school skews meaningfully less White than its surroundings.

Looking at the economic backdrop, The school currently runs with 47 full-time-equivalent teachers, for a student-teacher ratio near 10.3:1. The state averages around 11.1:1, so this campus is tighter than the state norm typical. Around 17% of the student body qualifies for free or reduced-price meals, a number frequently used as a low-income enrollment indicator.

Adjusting for the school's free-and-reduced-lunch share, Portsmouth Middle School performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 52.4%, the actual is 64.1%, a residual of +11.7 points.

Zooming out to the county, ACS estimates for Rockingham County put the typical household earns roughly $118,331 per year, about 46% of the adult population holds a bachelor's degree or above, and census figures put the poverty rate at about 3%. In all, Rockingham County runs 99 public schools (combined enrollment of about 41,753 students), of which Portsmouth Middle School is one.

Little Harbour School is the nearest neighboring public school, about 0.6 miles from this campus. Within five miles, there are 8 other public schools. Among the 5 schools in that immediate cluster with test data (this one included), Portsmouth Middle School ranks 5th on composite proficiency, below the local average of 74.1%.

The school occupies a commuter-belt site.

Over the past 7-year window. Portsmouth Middle School's enrollment has contracted 9% since 2018, when it stood at 536 (now 486). Over the same period, the White share contracted from 80% to 75%.

On allk12, members of the Portsmouth Middle School community share and discuss enrollment questions, classroom assignments, and PTA news. Members of the school community can share what they know.

Rockingham County at a glance

View full county profile
Population
319,082
Census ACS
Median income
$118,331
Household, ACS
Bachelor's+
46%
Adults 25+
Poverty rate
3%
Below federal line
Schools in county
99
41,753 students

Quick facts

School name
Portsmouth Middle School
District
Portsmouth School District
Address
155 Parrott Ave., Portsmouth, NH 03801
Phone
(603) 436-5781
County
Rockingham County
Level
Middle
Grade range
06–08
Total enrollment
486
Teachers (FTE)
47
Student–teacher ratio
10.3:1
Free/Reduced lunch
84 (17%)
Locale
23-Suburb: Small
NCES ID
330582000378
Charter school
No
Virtual school
No

Related schools

Other schools in Portsmouth School District
Other schools in Portsmouth
Nearby schools

Frequently asked questions

About Portsmouth Middle School
How large is Portsmouth Middle School?
Portsmouth Middle School enrolls approximately 486 students in grades 06-08.
What age range does Portsmouth Middle School serve?
Portsmouth Middle School serves students from grade 06 through grade 08.
How many students per teacher at Portsmouth Middle School?
Approximately 10.3:1 students per teacher at Portsmouth Middle School.
How diverse is Portsmouth Middle School?
Portsmouth Middle School reports a student body of 75% White, 5% Hispanic, 1% Black, 8% Asian, 11% Two or more.
Who oversees Portsmouth Middle School?
Portsmouth Middle School is overseen by Portsmouth School District in Rockingham County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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