- Enrollment
- 701
- Students per teacher
- 10.6:1
- Resource Index
- 56/100
Elementary school (grades K-5) · Ellington, CT
Center School
Federal NCES profile for Center School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 51/100.
2024-25 NCES dataElementary school (grades K-5)NCES 090144000235
👥 S:T ratio 46
🌟 Gifted program 30
📋 Attendance 76
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Center School earns 51/100 on the Resource Investment Index, with class sizes larger than 81% of Connecticut schools.
- #3 of 5
- public schools in Ellington · Resource Index
- 51
- Resource Index · Higher
- 13.5:1
- large classes for Connecticut
- 15.7%
- free-lunch eligible
Center School has class sizes larger than 81% of Connecticut schools. Computed live against every Connecticut school reporting to NCES.
By Resource Investment Index, Center School ranks #3 of 5 public schools in Ellington, CT.
School address
District: Ellington School District · Connecticut
NCES ID 090144000235 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-10 students YoY
Center School held near 456 students from 2022-23 to 2023-24 (-10 headcount).
Teacher FTE added 33.1 → 34.6 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-10 students YoY 090144000235 · Ellington, CT Elementary · SMALL · TRAD
445 enr · 13.5:1 · 15.7% lunch · RII 51
Nearest enrollment peer: Ellington High School (701 students)
Center School held near 456 students from 2022-23 to 2023-24 (-10 headcount). Teacher FTE added 33.1 → 34.6 across the same CCD years. Read with this school → · District book → · Connecticut schools → · Find another →
Center School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Ellington High
Ellington High School
701 students
- Windermere Sch
Windermere School
627 students
- This school
Center School
445 students
- Ellington Midd
Ellington Middle School
393 students
- Crystal Lake S
Crystal Lake School
308 students
What this shows Center School reports 445 students on the CCD universe file.
How Center School compares
Center School held steady on CCD headcount: ratios and free-lunch share vs Connecticut and U.S. means.
| Metric | This school | vs Connecticut | Connecticut avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 13.5:1 | ▲ 12% | 12.1:1 | 15.7:1 |
| Free-lunch eligible | 15.7% | ▼ 57% | 36.4% | 51.7% |
| Enrollment | 445 | top 42% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
13.5:1
Leaner classes than 62% of US schools, a middle-of-the-pack class size.
445
Bigger than 54% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
15.7%
free-lunch eligible
- 57% below the Connecticut average of 36.4%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
13.5:1
students per teacher
- 12% above state mean
Top 81% in Connecticut - lower ratio than 19% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
9.7%
chronically absent (missed 10%+ of school days)
In the 5-10% range, close to the pre-pandemic national baseline.
Funding equity
$21,456
per pupil, district-wide
- below Connecticut avg of $24,680
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
6
in-school suspensions + 11 out-of-school
Suspension rate: 1.3 per 100 students. Combined in-school and out-of-school rate: 3.8 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 82.0%
Hispanic or Latino 8.3%
African American 4.0%
Two or More 3.8%
Asian 1.8%
Largest group: White at 82.0% of enrollment.
Student-body diversity index 31.7/100
Simpson diversity index - at 31.7, Center School is less mixed than the Connecticut school average of 50.5.
Programs
District finance for Ellington School District reports $21,456 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Center School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Ellington High School | Larger | Similar economic need | Lower S:T ratio |
| Windermere School | Larger | Similar economic need | Similar S:T ratio |
| Ellington Middle School | Similar size | Similar economic need | Lower S:T ratio |
| Crystal Lake School | Smaller | Similar economic need | Similar S:T ratio |
Comparisons are relative to Center School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 627
- Students per teacher
- 12.3:1
- Resource Index
- 49/100
- Enrollment
- 393
- Students per teacher
- 11.6:1
- Resource Index
- 54/100
- Enrollment
- 308
- Students per teacher
- 13.4:1
- Resource Index
- 46/100
Nationwide elementary schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~445 students)
Frequently asked questions about Center School
How many students attend Center School?
Center School has 445 students enrolled. It is an elementary school in Ellington, CT. CCD year-over-year: 466 (2022-23) → 456 (2023-24), nearly flat (-10).
What is the student-teacher ratio at Center School?
The student-teacher ratio at Center School is 13.5:1, which is 12% higher than the Connecticut average of 12.1:1 and 14% lower than the national average of 15.7:1.
What percentage of students receive free lunch at Center School?
15.7% of students at Center School are eligible for free lunch, compared to the Connecticut average of 36.4%.
What is the racial and ethnic makeup of Center School?
The largest demographic group at Center School is White at 82.0% of enrollment, in Ellington, CT.
What is the Resource Investment Index for Center School?
Center School has a Resource Investment Index of 51/100 (higher reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, gifted-program reporting, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Center School rank among public schools in Ellington?
By Resource Investment Index, Center School ranks #3 of 5 public schools in Ellington, 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 Ellington on the city page.
What other schools are in Ellington School District?
Besides Center School, Ellington School District also operates Ellington High School (701 students), Windermere School (627 students), and Ellington Middle School (393 students). See the Ellington School District district page for the complete list.