Enrollment
543
Connecticut · 2024-25 NCES data
High school (grades 9-12) · Pawcatuck, CT
Federal NCES profile for Stonington High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 49/100.
The verdict
Stonington High School earns 49/100 on the Resource Investment Index, with class sizes smaller than 70% of Connecticut schools.
Stonington High School has class sizes smaller than 70% of Connecticut schools. Computed live against every Connecticut school reporting to NCES.
NCES ID 090438000881 Verify on NCES CCD record →
Enrollment
543
Connecticut · 2024-25 NCES data
Teachers (FTE)
51.0
Federal CCD staff survey
Students per teacher
10.6:1
vs 12.1:1 Connecticut avg
-12% vs state
Free-lunch eligible
17.3%
vs 36.4% Connecticut avg
-52% vs state
How Stonington High School compares with Connecticut and U.S. medians
At or below state median
10.6:1 - 1.5 below the Connecticut state median of 12.1:1, indicating smaller average class loads than typical schools in the state.
Stonington High School is a lower-poverty, mid-sized high school in Pawcatuck, Connecticut, enrolling 543 students.
Class sizes run a bit leaner than typical: 10.6:1 puts it in the smaller third of Connecticut schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 17.3% of students eligible for free meals.
Enrollment of 543 puts it in the larger third of Connecticut schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 1,003 scored Connecticut schools.
Among 270 similarly sized, similarly resourced-need Connecticut schools statewide, it ranks #202, in the lower tier once campus size and economic need are matched.
Its student body is predominantly White (84% of enrollment) (diversity index 29/100).
On the academic-pipeline side it reports 12 Advanced Placement courses.
Counselor coverage is strong, about 136 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 29.3% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The federal civil-rights collection also records 1 expulsion at this campus for 2021-22.
Stonington School District also operates Deans Mill School (429 students) and Stonington Middle School (366 students) alongside Stonington High School.
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
Stonington High School on the metrics families compare, against Connecticut and U.S. means.
| Metric | This school | vs Connecticut | Connecticut avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 10.6:1 | ▼ 12% | 12.1:1 | 15.7:1 |
| Free-lunch eligible | 17.3% | ▼ 52% | 36.4% | 51.7% |
| Enrollment | 543 | top 28% | - | - |
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 83.6% of enrollment.
Simpson diversity index - at 29.1, Stonington High School is less mixed than the Connecticut school average of 50.5.
District-wide per-pupil expenditure for Stonington School District, which includes Stonington High 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 |
|---|---|---|---|
| Deans Mill School | Similar size | Similar economic need | Similar S:T ratio |
| Stonington Middle School | Smaller | Similar economic need | Lower S:T ratio |
| West Vine Street School | Smaller | Higher economic need | Lower S:T ratio |
Comparisons are relative to Stonington High School's own figures; each column derives from NCES Common Core of Data.
Matched by enrollment size and by staffing ratio across all of Connecticut, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Stonington High 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.
Stonington High School has 543 students enrolled. It is a high school in Pawcatuck, CT.
The student-teacher ratio at Stonington High School is 10.6:1, which is 12% lower than the Connecticut average of 12.1:1 and 32% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
17.3% of students at Stonington High School are eligible for free lunch, compared to the Connecticut average of 36.4%.
The largest demographic group at Stonington High School is White at 83.6% of enrollment, in Pawcatuck, CT.
Stonington High School has a Resource Investment Index of 49/100 (higher reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
Stonington High School earns 49/100 on the Resource Investment Index, with class sizes smaller than 70% of Connecticut schools. 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 Stonington High School, Stonington School District also operates Deans Mill School (429 students), Stonington Middle School (366 students), and West Vine Street School (342 students). See the Stonington 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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Last updated:
PlainSchools, “Stonington High School, Pawcatuck CT.” 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/stonington-high-school-ct
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