Enrollment
549
Connecticut · 2024-25 NCES data
Elementary school (grades K-5) · Southington, CT
Federal NCES profile for Derynoski Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 50/100.
The verdict
Derynoski Elementary School earns 50/100 on the Resource Investment Index, with class sizes larger than 80% of Connecticut schools.
Derynoski Elementary School has class sizes larger than 80% of Connecticut schools. Computed live against every Connecticut school reporting to NCES.
By Resource Investment Index, Derynoski Elementary School ranks #4 of 5 elementary schools in Southington, CT.
NCES ID 090423000829 Verify on NCES CCD record →
Enrollment
549
Connecticut · 2024-25 NCES data
Teachers (FTE)
41.0
Federal CCD staff survey
Students per teacher
13.4:1
vs 12.1:1 Connecticut avg
+11% vs state
Free-lunch eligible
21.3%
vs 36.4% Connecticut avg
-41% vs state
How Derynoski Elementary School compares with Connecticut and U.S. medians
Slightly above state median
13.4:1 - 1.3 above the Connecticut state median of 12.1:1, indicating larger average class loads than typical schools in the state.
Derynoski Elementary School is a mid-sized elementary school in Southington, Connecticut, enrolling 549 students.
Class loads run somewhat heavier than typical: 13.4:1 puts it in the larger third of Connecticut schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 21.3% of students eligible for free meals.
Enrollment of 549 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.
Against 275 statewide peers matched on enrollment and economic need, it ranks mid-pack at #157.
Its student body is led by White (73%) and Hispanic or Latino (15%) (diversity index 44/100).
10.0% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
Among Southington's elementary schools, it stands alongside Thalberg Elementary School (443 students): Derynoski Elementary School is larger than that campus by headcount and runs leaner classes (13.4:1 vs 14.8:1).
Southington School District also operates Southington High School (1,905 students) and Joseph a. Depaolo Middle School (671 students) alongside Derynoski Elementary 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
Derynoski Elementary 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 | 13.4:1 | ▲ 11% | 12.1:1 | 15.7:1 |
| Free-lunch eligible | 21.3% | ▼ 41% | 36.4% | 51.7% |
| Enrollment | 549 | top 27% | - | - |
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 72.9% of enrollment.
Simpson diversity index - at 44.0, Derynoski Elementary School is less mixed than the Connecticut school average of 50.5.
District-wide per-pupil expenditure for Southington School District, which includes Derynoski Elementary 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 |
|---|---|---|---|
| Southington High School | Larger | Similar economic need | Similar S:T ratio |
| Joseph a. Depaolo Middle School | Similar size | Similar economic need | Lower S:T ratio |
| John F. Kennedy Middle School | Similar size | Similar economic need | Lower S:T ratio |
| Thalberg Elementary School | Similar size | Similar economic need | Similar S:T ratio |
| Hatton Elementary School | Smaller | Similar economic need | Lower S:T ratio |
Comparisons are relative to Derynoski Elementary School's own figures; each column derives from NCES Common Core of Data.
4 comparable elementary schools (grades K-5) 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 Derynoski Elementary 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.
Derynoski Elementary School has 549 students enrolled. It is an elementary school in Southington, CT.
The student-teacher ratio at Derynoski Elementary School is 13.4:1, which is 11% higher than the Connecticut average of 12.1:1 and 15% lower than the national average of 15.7:1.
21.3% of students at Derynoski Elementary School are eligible for free lunch, compared to the Connecticut average of 36.4%.
The largest demographic group at Derynoski Elementary School is White at 72.9% of enrollment, in Southington, CT.
Derynoski Elementary School has a Resource Investment Index of 50/100 (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, Derynoski Elementary School ranks #4 of 5 elementary schools in Southington, CT. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Southington on the city page.
Derynoski Elementary School earns 50/100 on the Resource Investment Index, with class sizes larger than 80% 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 Derynoski Elementary School, Southington School District also operates Southington High School (1,905 students), Joseph a. Depaolo Middle School (671 students), and John F. Kennedy Middle School (659 students). See the Southington 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.
Published by
PlainSchools Editorial
Independent public-data reference that compiles, verifies, and contextualizes official datasets. We do not accept compensation from entities we cover, and every dataset cites its originating public source.
Last updated:
PlainSchools, “Derynoski Elementary School, Southington 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/derynoski-elementary-school-ct
You are welcome to quote these figures with attribution to PlainSchools and the underlying source. The URL above is stable.