- Enrollment
- 1,095
- Students per teacher
- 9.3:1
- Resource Index
- 55/100
Other / mixed grade configuration · Windsor, CT
Oliver Ellsworth School
Federal NCES profile for Oliver Ellsworth School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 37/100.
2024-25 NCES dataOther / mixed grade configurationNCES 090522001092
👥 S:T ratio 60
🌟 Gifted program 30
📋 Attendance 21
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Oliver Ellsworth School earns 37/100 on the Resource Investment Index, with class sizes smaller than 81% of Connecticut schools. It is also more racially and ethnically mixed than most Connecticut schools.
- #3 of 3
- schools in Windsor · Resource Index
- 37
- Resource Index · Typical
- 9.9:1
- small classes for Connecticut
- 34.8%
- free-lunch eligible
Oliver Ellsworth School has class sizes smaller than 81% of Connecticut schools. Computed live against every Connecticut school reporting to NCES.
By Resource Investment Index, Oliver Ellsworth School ranks #3 of 3 schools in Windsor, CT.
School address
District: Windsor School District · Connecticut
NCES ID 090522001092 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-20 students YoY
Oliver Ellsworth School held near 411 students from 2022-23 to 2023-24 (-20 headcount).
Teacher FTE held 38.0 → 38.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-20 students YoY 090522001092 · Windsor, CT Other · SMALL · TRAD
378 enr · 9.9:1 · 34.8% lunch · RII 37
Nearest enrollment peer: Windsor High School (1,095 students)
Oliver Ellsworth School held near 411 students from 2022-23 to 2023-24 (-20 headcount). Teacher FTE held 38.0 → 38.0 across the same CCD years. Read with this school → · District book → · Connecticut schools → · Find another →
Oliver Ellsworth School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Windsor High S
Windsor High School
1,095 students
- Sage Park Midd
Sage Park Middle School
719 students
- John F. Kenned 412
John F. Kennedy School
412 students
- This school 378
Oliver Ellsworth School
378 students
- Poquonock Elem 328
Poquonock Elementary School
328 students
- Clover Street 276
Clover Street School
276 students
What this shows Oliver Ellsworth School reports 378 students on the CCD universe file.
How Oliver Ellsworth School compares
Oliver Ellsworth 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 | 9.9:1 | ▼ 18% | 12.1:1 | 15.7:1 |
| Free-lunch eligible | 34.8% | ▼ 4% | 36.4% | 51.7% |
| Enrollment | 378 | top 57% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
9.9:1
Leaner classes than 89% of US schools, among the more generously staffed nationally.
378
Bigger than 44% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
34.8%
free-lunch eligible
- 4% 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
9.9:1
students per teacher
- 18% below state mean
Top 19% in Connecticut - lower ratio than 81% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
31.7%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$27,154
per pupil, district-wide
- above 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
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
African American 36.0%
Hispanic or Latino 27.2%
White 23.3%
Two or More 9.5%
Asian 4.0%
Largest group: African American at 36.0% of enrollment.
Student-body diversity index 73.2/100
Simpson diversity index - at 73.2, Oliver Ellsworth School is more mixed than the Connecticut school average of 50.5.
Programs
District finance for Windsor School District reports $27,154 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Oliver Ellsworth School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Windsor High School | Larger | Similar economic need | Similar S:T ratio |
| Sage Park Middle School | Larger | Similar economic need | Similar S:T ratio |
| John F. Kennedy School | Similar size | Similar economic need | Higher S:T ratio |
| Poquonock Elementary School | Similar size | Similar economic need | Similar S:T ratio |
| Clover Street School | Smaller | Similar economic need | Similar S:T ratio |
Comparisons are relative to Oliver Ellsworth School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 719
- Students per teacher
- 10.1:1
- Resource Index
- 54/100
- Enrollment
- 412
- Students per teacher
- 11.4:1
- Resource Index
- 61/100
- Enrollment
- 328
- Students per teacher
- 11.3:1
- Resource Index
- 44/100
- Enrollment
- 276
- Students per teacher
- 9.2:1
- Resource Index
- 58/100
Similar other schools in Windsor
2 comparable other schools (grades Mixed) serving the same city.
Nationwide other 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 (~378 students)
Frequently asked questions about Oliver Ellsworth School
How many students attend Oliver Ellsworth School?
Oliver Ellsworth School has 378 students enrolled. It is a public school in Windsor, CT. CCD year-over-year: 431 (2022-23) → 411 (2023-24), nearly flat (-20).
What is the student-teacher ratio at Oliver Ellsworth School?
The student-teacher ratio at Oliver Ellsworth School is 9.9:1, which is 18% lower than the Connecticut average of 12.1:1 and 37% 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 Oliver Ellsworth School?
34.8% of students at Oliver Ellsworth School are eligible for free lunch, compared to the Connecticut average of 36.4%.
What is the racial and ethnic makeup of Oliver Ellsworth School?
The largest demographic group at Oliver Ellsworth School is African American at 36.0% of enrollment, in Windsor, CT. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 73.2/100.
What is the Resource Investment Index for Oliver Ellsworth School?
Oliver Ellsworth School has a Resource Investment Index of 37/100 (typical 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 Oliver Ellsworth School rank among schools in Windsor?
By Resource Investment Index, Oliver Ellsworth School ranks #3 of 3 schools in Windsor, CT. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Windsor on the city page.
What other schools are in Windsor School District?
Besides Oliver Ellsworth School, Windsor School District also operates Windsor High School (1,095 students), Sage Park Middle School (719 students), and John F. Kennedy School (412 students). See the Windsor School District district page for the complete list.