Enrollment
252
Connecticut · 2024-25 NCES data
Other / mixed grade configuration · Branford, CT
Federal NCES profile for John B. Sliney School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 49/100.
The verdict
John B. Sliney School earns 49/100 on the Resource Investment Index, with class sizes smaller than 90% of Connecticut schools.
John B. Sliney School has class sizes smaller than 90% of Connecticut schools. Computed live against every Connecticut school reporting to NCES.
By Resource Investment Index, John B. Sliney School ranks #2 of 3 schools in Branford, CT.
NCES ID 090042001119 Verify on NCES CCD record →
Enrollment
252
Connecticut · 2024-25 NCES data
Teachers (FTE)
28.0
Federal CCD staff survey
Students per teacher
9:1
vs 12.1:1 Connecticut avg
-26% vs state
Free-lunch eligible
29.5%
vs 36.4% Connecticut avg
-19% vs state
How John B. Sliney School compares with Connecticut and U.S. medians
Smaller classes than state median
9:1 - 3.1 below the Connecticut state median of 12.1:1, indicating smaller average class loads than typical schools in the state.
John B. Sliney School is a small combined-grade school in Branford, Connecticut, enrolling 252 students.
Classes run notably small here: at 9:1, John B. Sliney School is leaner than roughly 90% of Connecticut schools and 26% under the state's 12.1:1 norm, more adult attention per pupil than most peers.
Its free-meal eligibility rate of 29.5% lands close to the Connecticut typical range, neither a high- nor low-need campus by this measure.
Enrollment of 252 puts it in the smaller third of Connecticut schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 1,003 scored Connecticut schools.
Against 169 statewide peers matched on enrollment and economic need, it ranks mid-pack at #104.
Its student body is led by White (64%) and Hispanic or Latino (21%) (diversity index 53/100).
Attendance runs somewhat below the norm, with 18.7% of students chronically absent per the 2021-22 civil-rights collection.
Among Branford's public schools, it stands alongside Mary R. Tisko School (365 students): John B. Sliney School is smaller than that campus by headcount and runs leaner classes (9:1 vs 12.6:1).
Branford School District also operates Francis Walsh Intermediate School (775 students) and Branford High School (738 students) alongside John B. Sliney 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
John B. Sliney 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 | 9:1 | ▼ 26% | 12.1:1 | 15.7:1 |
| Free-lunch eligible | 29.5% | ▼ 19% | 36.4% | 51.7% |
| Enrollment | 252 | top 85% | - | - |
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 64.3% of enrollment.
Simpson diversity index - at 53.4, John B. Sliney School is more mixed than the Connecticut school average of 50.5.
District-wide per-pupil expenditure for Branford School District, which includes John B. Sliney 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 |
|---|---|---|---|
| Francis Walsh Intermediate School | Larger | Similar economic need | Higher S:T ratio |
| Branford High School | Larger | Similar economic need | Higher S:T ratio |
| Mary R. Tisko School | Larger | Lower economic need | Higher S:T ratio |
| Mary T. Murphy School | Larger | Similar economic need | Similar S:T ratio |
Comparisons are relative to John B. Sliney School's own figures; each column derives from NCES Common Core of Data.
2 comparable other schools (grades Mixed) serving the same city.
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 John B. Sliney 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.
John B. Sliney School has 252 students enrolled. It is a public school in Branford, CT.
The student-teacher ratio at John B. Sliney School is 9:1, which is 26% lower than the Connecticut average of 12.1:1 and 43% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
29.5% of students at John B. Sliney School are eligible for free lunch, compared to the Connecticut average of 36.4%.
The largest demographic group at John B. Sliney School is White at 64.3% of enrollment, in Branford, CT. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 53.4/100.
John B. Sliney School has a Resource Investment Index of 49/100 (higher reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, John B. Sliney School ranks #2 of 3 schools in Branford, CT. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Branford on the city page.
John B. Sliney School earns 49/100 on the Resource Investment Index, with class sizes smaller than 90% 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 John B. Sliney School, Branford School District also operates Francis Walsh Intermediate School (775 students), Branford High School (738 students), and Mary R. Tisko School (365 students). See the Branford 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, “John B. Sliney School, Branford 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/john-b-sliney-school-ct
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