Enrollment
413
Connecticut · 2024-25 NCES data
Other / mixed grade configuration · Lisbon, CT
Federal NCES profile for Lisbon Central School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 45/100.
The verdict
Lisbon Central School earns 45/100 on the Resource Investment Index, with class sizes larger than 73% of Connecticut schools.
Lisbon Central School has class sizes larger than 73% of Connecticut schools. Computed live against every Connecticut school reporting to NCES.
NCES ID 090219000403 Verify on NCES CCD record →
Enrollment
413
Connecticut · 2024-25 NCES data
Teachers (FTE)
32.0
Federal CCD staff survey
Students per teacher
12.9:1
vs 12.1:1 Connecticut avg
+7% vs state
Free-lunch eligible
28.8%
vs 36.4% Connecticut avg
-21% vs state
How Lisbon Central School compares with Connecticut and U.S. medians
Lisbon Central School is a mid-sized combined-grade school in Lisbon, Connecticut, enrolling 413 students.
Class loads run somewhat heavier than typical: 12.9:1 puts it in the larger third of Connecticut schools by student-teacher ratio.
Its free-meal eligibility rate of 28.8% lands close to the Connecticut typical range, neither a high- nor low-need campus by this measure.
With 413 students, its enrollment sits close to the Connecticut median campus size.
Its Resource Investment Index sits near the middle of the pack among 1,003 scored Connecticut schools.
Among 273 similarly sized, similarly resourced-need Connecticut schools statewide, it ranks #199, in the lower tier once campus size and economic need are matched.
Its student body is led by White (76%) and Hispanic or Latino (12%) (diversity index 41/100).
Counselor coverage is strong, about 203 students per counselor, inside the American School Counselor Association's recommended 250:1.
Attendance runs somewhat below the norm, with 23.7% of students chronically absent per the 2021-22 civil-rights collection.
Lisbon School District operates only this one school, so Lisbon Central School has no district-mates to compare against locally.
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
Lisbon Central 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 | 12.9:1 | ▲ 7% | 12.1:1 | 15.7:1 |
| Free-lunch eligible | 28.8% | ▼ 21% | 36.4% | 51.7% |
| Enrollment | 413 | 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 75.5% of enrollment.
Simpson diversity index - at 40.9, Lisbon Central School is less mixed than the Connecticut school average of 50.5.
District-wide per-pupil expenditure for Lisbon School District, which includes Lisbon Central 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.
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 Lisbon Central 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.
Lisbon Central School has 413 students enrolled. It is a public school in Lisbon, CT.
The student-teacher ratio at Lisbon Central School is 12.9:1, which is 7% higher than the Connecticut average of 12.1:1 and 18% lower than the national average of 15.7:1.
28.8% of students at Lisbon Central School are eligible for free lunch, compared to the Connecticut average of 36.4%.
The largest demographic group at Lisbon Central School is White at 75.5% of enrollment, in Lisbon, CT.
Lisbon Central School has a Resource Investment Index of 45/100 (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).
Lisbon Central School earns 45/100 on the Resource Investment Index, with class sizes larger than 73% 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.
None reported; Lisbon School District operates only Lisbon Central School as a public school district in NCES's records.
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.