- Enrollment
- 486
- Students per teacher
- 10.3:1
- Resource Index
- 51/100
High school (grades 9-12) · Portsmouth, NH
Portsmouth High School
Federal NCES profile for Portsmouth High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 45/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 330582000379
👥 S:T ratio 54
🌟 Gifted program 30
🎓 Counselors 75
📋 Attendance 22
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Portsmouth High School earns 45/100 on the Resource Investment Index, with class sizes near the New Hampshire median. It is also one of the largest schools in New Hampshire.
- #4 of 6
- public schools in Portsmouth · Resource Index
- 45
- Resource Index · Typical
- 11.6:1
- students per teacher
- 9.2%
- free-lunch eligible
Portsmouth High School has class sizes near the New Hampshire median. Computed live against every New Hampshire school reporting to NCES.
By Resource Investment Index, Portsmouth High School ranks #4 of 6 public schools in Portsmouth, NH.
School address
District: Portsmouth School District · New Hampshire
NCES ID 330582000379 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-7 students YoY
Portsmouth High School held near 1,025 students from 2022-23 to 2023-24 (-7 headcount).
Teacher FTE lost 88.0 → 87.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-7 students YoY 330582000379 · Portsmouth, NH High · MID · TRAD
1,017 enr · 11.6:1 · 9.2% lunch · RII 45
Nearest enrollment peer: Portsmouth Middle School (486 students)
Portsmouth High School held near 1,025 students from 2022-23 to 2023-24 (-7 headcount). Teacher FTE lost 88.0 → 87.0 across the same CCD years. Read with this school → · District book → · New Hampshire schools → · Find another →
Portsmouth High School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- This school
Portsmouth High School
1,017 students
- Portsmouth Mid
Portsmouth Middle School
486 students
- Mary C. Donder 328
Mary C. Dondero Elementary School
328 students
- Little Harbour 325
Little Harbour School
325 students
- New Franklin S 247
New Franklin School
247 students
- Peep School - 24
Peep School - Pre School Program
24 students
What this shows Portsmouth High School reports 1,017 students on the CCD universe file.
How Portsmouth High School compares
Portsmouth High School held steady on CCD headcount: ratios and free-lunch share vs New Hampshire and U.S. means.
| Metric | This school | vs New Hampshire | New Hampshire avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 11.6:1 | ▲ 3% | 11.3:1 | 15.7:1 |
| Free-lunch eligible | 9.2% | ▼ 57% | 21.5% | 51.7% |
| Enrollment | 1,017 | top 3% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
11.6:1
Leaner classes than 79% of US schools, among the more generously staffed nationally.
1,017
Bigger than 91% of US schools by enrollment, a large campus nationally.
Equity indicators methodology
Economic need
9.2%
free-lunch eligible
- 57% below the New Hampshire average of 21.5%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
11.6:1
students per teacher
- 3% above state mean
Top 63% in New Hampshire - lower ratio than 37% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
31.2%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$25,059
per pupil, district-wide
- above New Hampshire avg of $24,919
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors8.0 FTE
Per 127 students, the combined health-and-guidance staffing load for this school.
Discipline context
83
in-school suspensions + 49 out-of-school
Suspension rate: 8.2 per 100 students. Combined in-school and out-of-school rate: 13.0 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 80.8%
Two or More 7.7%
Hispanic or Latino 5.8%
Asian 4.8%
African American 0.7%
American Indian / Alaska Native 0.1%
Native Hawaiian / Pacific Islander 0.1%
Largest group: White at 80.8% of enrollment.
Student-body diversity index 33.5/100
Simpson diversity index - at 33.5, Portsmouth High School is more mixed than the New Hampshire school average of 24.3.
Programs
AP courses offered 10
District finance for Portsmouth School District reports $25,059 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Portsmouth High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Portsmouth Middle School | Smaller | Similar economic need | Similar S:T ratio |
| Mary C. Dondero Elementary School | Smaller | Similar economic need | Similar S:T ratio |
| Little Harbour School | Smaller | Similar economic need | Lower S:T ratio |
| New Franklin School | Smaller | Similar economic need | Lower S:T ratio |
| Peep School - Pre School Program | Smaller | Higher economic need | Similar S:T ratio |
Comparisons are relative to Portsmouth High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 328
- Students per teacher
- 10.3:1
- Resource Index
- 41/100
- Enrollment
- 325
- Students per teacher
- 9.8:1
- Resource Index
- 50/100
- Enrollment
- 247
- Students per teacher
- 9.5:1
- Resource Index
- 50/100
- Enrollment
- 24
- Students per teacher
- 12:1
- Resource Index
- 27/100
Nationwide high schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~1,017 students)
Frequently asked questions about Portsmouth High School
How many students attend Portsmouth High School?
Portsmouth High School has 1,017 students enrolled. It is a high school in Portsmouth, NH. CCD year-over-year: 1,032 (2022-23) → 1,025 (2023-24), nearly flat (-7).
What is the student-teacher ratio at Portsmouth High School?
The student-teacher ratio at Portsmouth High School is 11.6:1, which is 3% higher than the New Hampshire average of 11.3:1 and 26% lower than the national average of 15.7:1.
What percentage of students receive free lunch at Portsmouth High School?
9.2% of students at Portsmouth High School are eligible for free lunch, compared to the New Hampshire average of 21.5%.
What is the racial and ethnic makeup of Portsmouth High School?
The largest demographic group at Portsmouth High School is White at 80.8% of enrollment, in Portsmouth, NH.
What is the Resource Investment Index for Portsmouth High School?
Portsmouth High School has a Resource Investment Index of 45/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Portsmouth High School rank among public schools in Portsmouth?
By Resource Investment Index, Portsmouth High School ranks #4 of 6 public schools in Portsmouth, NH. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Portsmouth on the city page.
What other schools are in Portsmouth School District?
Besides Portsmouth High School, Portsmouth School District also operates Portsmouth Middle School (486 students), Mary C. Dondero Elementary School (328 students), and Little Harbour School (325 students). See the Portsmouth School District district page for the complete list.