Enrollment
257
Connecticut · 2024-25 NCES data
Other / mixed grade configuration · Higganum, CT
Killingworth Elementary School
Federal NCES profile for Killingworth Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 73/100.
2024-25 NCES dataOther / mixed grade configurationNCES 090353900760
👥 S:T ratio 55
🌟 Gifted program 70
📋 Attendance 94
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Killingworth Elementary School earns 73/100 on the Resource Investment Index, with class sizes near the Connecticut median. It is also less racially and ethnically mixed than most Connecticut schools.
- #1 of 3
- public schools in Higganum · Resource Index
- 73
- Resource Index · Higher
- 11.2:1
- students per teacher
- 11.3%
- free-lunch eligible
Killingworth Elementary School has class sizes near the Connecticut median. Computed live against every Connecticut school reporting to NCES.
By Resource Investment Index, Killingworth Elementary School ranks #1 of 3 public schools in Higganum, CT.
School address
District: Regional School District 17 · Connecticut
NCES ID 090353900760 Verify on NCES CCD record →
Teachers (FTE)
23.0
Federal CCD staff survey
Students per teacher
11.2:1
vs 12.1:1 Connecticut avg
-7% vs state
Free-lunch eligible
11.3%
vs 36.4% Connecticut avg
-69% vs state
Student-teacher ratio in context
How Killingworth Elementary School compares with Connecticut and U.S. medians
What stands out at Killingworth Elementary School
Killingworth Elementary School is a lower-poverty, small combined-grade school in Higganum, Connecticut, enrolling 257 students.
At 11.2:1, its student-teacher ratio sits close to the Connecticut median, within a few percentage points of the 12.1:1 state norm, neither notably crowded nor notably small.
Comparatively few students face economic hardship here, 11.3% free-meal eligibility runs 69% below the Connecticut average.
Enrollment of 257 puts it in the smaller third of Connecticut schools by headcount.
Its Resource Investment Index outscores 100% of the 1,003 Connecticut schools with a score on record, a top-tier result on this measure.
Among 135 similarly sized, similarly resourced-need Connecticut schools statewide, it ranks #2, a top-tier result once campus size and economic need are matched.
Its student body is predominantly White (88% of enrollment), among the less diverse in the state (diversity index 22/100).
Attendance holds up well here: only 2.3% of students were chronically absent, below the typical post-pandemic national figure.
Regional School District 17 also operates Haddam-Killingworth High School (466 students) and Haddam-Killingworth Middle School (423 students) alongside Killingworth 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
How Killingworth Elementary School compares
Killingworth 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 | 11.2:1 | ▼ 7% | 12.1:1 | 15.7:1 |
| Free-lunch eligible | 11.3% | ▼ 69% | 36.4% | 51.7% |
| Enrollment | 257 | top 85% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
11.2:1
Leaner classes than 82% of US schools, among the more generously staffed nationally.
257
Bigger than 26% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
11.3%
free-lunch eligible
- 69% below the Connecticut average of 36.4%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
11.2:1
students per teacher
- 7% below state mean
Top 43% in Connecticut - lower ratio than 57% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
2.3%
chronically absent (missed 10%+ of school days)
Below 5%, comfortably under the pre-pandemic national baseline for chronic absenteeism.
Funding equity
$25,698
per pupil, district-wide
- above Connecticut avg of $23,870
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
1
in-school suspensions + 0 out-of-school
Suspension rate: 0.4 per 100 students. Combined in-school and out-of-school rate: 0.4 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
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.
Student demographics
White 87.9%
Hispanic or Latino 5.8%
Two or More 5.1%
Asian 0.8%
African American 0.4%
Largest group: White at 87.9% of enrollment.
Student-body diversity index 22.1/100
Simpson diversity index - at 22.1, Killingworth Elementary School is less mixed than the Connecticut school average of 50.5.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Regional School District 17, which includes Killingworth Elementary School.
$25,698
Per student
+8%
vs Connecticut
Avg $23,870
+55%
vs U.S.
Avg $16,593
Revenue mix
Local 74.8%
State 22.0%
Federal 3.2%
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.
How Killingworth Elementary School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Haddam-Killingworth High School | Larger | Similar economic need | Lower S:T ratio |
| Haddam-Killingworth Middle School | Larger | Similar economic need | Similar S:T ratio |
| Haddam-Killingworth Intermediate School | Similar size | Similar economic need | Similar S:T ratio |
| Burr District Elementary School | Similar size | Similar economic need | Similar S:T ratio |
Comparisons are relative to Killingworth Elementary School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 466
- Students per teacher
- 9.1:1
- Resource Index
- 64/100
- Enrollment
- 423
- Students per teacher
- 10.6:1
- Resource Index
- 61/100
- Enrollment
- 280
- Students per teacher
- 10.4:1
- Resource Index
- 54/100
- Enrollment
- 278
- Students per teacher
- 9.9:1
- Resource Index
- 70/100
Similar other schools statewide
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.
Similar enrollment (~257 students)
Similar student-teacher ratio (~11.2:1)
Next steps
Verify locally before acting on Killingworth Elementary School's federal record.
- Compare Killingworth Elementary School against another school. Compare schools
- Regional School District 17's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
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.
Frequently asked questions about Killingworth Elementary School
How many students attend Killingworth Elementary School?
Killingworth Elementary School has 257 students enrolled. It is a public school in Higganum, CT.
What is the student-teacher ratio at Killingworth Elementary School?
The student-teacher ratio at Killingworth Elementary School is 11.2:1, which is 7% lower than the Connecticut average of 12.1:1 and 29% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Killingworth Elementary School?
11.3% of students at Killingworth Elementary School are eligible for free lunch, compared to the Connecticut average of 36.4%.
What is the racial and ethnic makeup of Killingworth Elementary School?
The largest demographic group at Killingworth Elementary School is White at 87.9% of enrollment, in Higganum, CT.
What is the Resource Investment Index for Killingworth Elementary School?
Killingworth Elementary School has a Resource Investment Index of 73/100 (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).
How does Killingworth Elementary School rank among public schools in Higganum?
By Resource Investment Index, Killingworth Elementary School ranks #1 of 3 public schools in Higganum, CT. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Higganum on the city page.
Is Killingworth Elementary School a good school?
Killingworth Elementary School earns 73/100 on the Resource Investment Index, with class sizes near the Connecticut median. It is also less racially and ethnically mixed than most 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.
What other schools are in Regional School District 17?
Besides Killingworth Elementary School, Regional School District 17 also operates Haddam-Killingworth High School (466 students), Haddam-Killingworth Middle School (423 students), and Haddam-Killingworth Intermediate School (280 students). See the Regional School District 17 district page for the complete list.
Related tools
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.