Enrollment
277
New Hampshire · 2024-25 NCES data
Elementary school (grades K-5) · Seabrook, NH
Federal NCES profile for Seabrook Middle School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 33/100.
The verdict
Seabrook Middle School earns 33/100 on the Resource Investment Index, with class sizes near the New Hampshire median.
Seabrook Middle School has class sizes near the New Hampshire median. Computed live against every New Hampshire school reporting to NCES.
NCES ID 330615000601 Verify on NCES CCD record →
Enrollment
277
New Hampshire · 2024-25 NCES data
Teachers (FTE)
27.0
Federal CCD staff survey
Students per teacher
10.3:1
vs 11.3:1 New Hampshire avg
-9% vs state
Free-lunch eligible
36.7%
vs 21.5% New Hampshire avg
+71% vs state
How Seabrook Middle School compares with New Hampshire and U.S. medians
At or below state median
10.3:1 - 1.0 below the New Hampshire state median of 11.3:1, indicating smaller average class loads than typical schools in the state.
Seabrook Middle School is a mid-sized elementary school in Seabrook, New Hampshire, enrolling 277 students.
Class sizes run a bit leaner than typical: 10.3:1 puts it in the smaller third of New Hampshire schools by student-teacher ratio.
Economic need is high: 36.7% of students qualify for free meals, 71% above the New Hampshire average, a Title I-weighted population that federal funding formulas prioritise.
With 277 students, its enrollment sits close to the New Hampshire median campus size.
Its Resource Investment Index lands in the lower third of 500 scored New Hampshire schools.
Among 83 similarly sized, similarly resourced-need New Hampshire schools statewide, it ranks #68, in the lower tier once campus size and economic need are matched.
Its student body is led by White (78%) and Two or More (11%) (diversity index 38/100).
Counselor coverage runs a bit thin, about 277 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Chronic absenteeism is elevated: 71.8% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Its district, Seabrook School District, also runs Seabrook Elementary School (302 students).
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
Seabrook Middle School on the metrics families compare, against New Hampshire and U.S. means.
| Metric | This school | vs New Hampshire | New Hampshire avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 10.3:1 | ▼ 9% | 11.3:1 | 15.7:1 |
| Free-lunch eligible | 36.7% | ▲ 71% | 21.5% | 51.7% |
| Enrollment | 277 | top 49% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Largest group: White at 77.6% of enrollment.
Simpson diversity index - at 37.8, Seabrook Middle School is more mixed than the New Hampshire school average of 24.3.
District-wide per-pupil expenditure for Seabrook School District, which includes Seabrook Middle School.
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Seabrook Elementary School | Similar size | Similar economic need | Lower S:T ratio |
Comparisons are relative to Seabrook Middle School's own figures; each column derives from NCES Common Core of Data.
Matched by enrollment size and by staffing ratio across all of New Hampshire, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Seabrook Middle School's federal record.
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Seabrook Middle School has 277 students enrolled. It is an elementary school in Seabrook, NH.
The student-teacher ratio at Seabrook Middle School is 10.3:1, which is 9% lower than the New Hampshire average of 11.3:1 and 34% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
36.7% of students at Seabrook Middle School are eligible for free lunch, compared to the New Hampshire average of 21.5%.
The largest demographic group at Seabrook Middle School is White at 77.6% of enrollment, in Seabrook, NH.
Seabrook Middle School has a Resource Investment Index of 33/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
Seabrook Middle School earns 33/100 on the Resource Investment Index, with class sizes near the New Hampshire median. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
Besides Seabrook Middle School, Seabrook School District also operates Seabrook Elementary School (302 students). See the Seabrook School District district page for the complete list.
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.
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PlainSchools, “Seabrook Middle School, Seabrook NH.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/seabrook-middle-school-nh
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