Enrollment
701
Connecticut · 2024-25 NCES data
High school (grades 9-12) · Ellington, CT
Ellington High School
Federal NCES profile for Ellington High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 63/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 090144000237
👥 S:T ratio 58
📚 AP courses 90
🌟 Gifted program 30
🎓 Counselors 65
📋 Attendance 72
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Ellington High School earns 63/100 on the Resource Investment Index, with class sizes smaller than 70% of Connecticut schools.
- #1 of 5
- public schools in Ellington · Resource Index
- 63
- Resource Index · Higher
- 10.6:1
- small classes for Connecticut
- 12.9%
- free-lunch eligible
Ellington High School has class sizes smaller than 70% of Connecticut schools. Computed live against every Connecticut school reporting to NCES.
By Resource Investment Index, Ellington High School ranks #1 of 5 public schools in Ellington, CT.
School address
District: Ellington School District · Connecticut
NCES ID 090144000237 Verify on NCES CCD record →
Teachers (FTE)
66.0
Federal CCD staff survey
Students per teacher
10.6:1
vs 12.1:1 Connecticut avg
-12% vs state
Free-lunch eligible
12.9%
vs 36.4% Connecticut avg
-65% vs state
Student-teacher ratio in context
How Ellington High School compares with Connecticut and U.S. medians
What stands out at Ellington High School
Ellington High School is a lower-poverty, mid-sized high school in Ellington, Connecticut, enrolling 701 students.
Class sizes run a bit leaner than typical: 10.6:1 puts it in the smaller third of Connecticut schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 12.9% of students eligible for free meals.
Enrollment of 701 puts it in the larger third of Connecticut schools by headcount.
Its Resource Investment Index lands in the upper third of 1,003 scored Connecticut schools.
Against 166 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #64.
Its student body is led by White (74%) and Asian (10%) (diversity index 43/100).
On the academic-pipeline side it reports 18 Advanced Placement courses.
Counselor coverage is strong, about 175 students per counselor, inside the American School Counselor Association's recommended 250:1.
11.4% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
The federal civil-rights collection also records 3 expulsions at this campus for 2021-22.
Ellington School District also operates Windermere School (627 students) and Center School (445 students) alongside Ellington High 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 Ellington High School compares
Ellington High 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 | 10.6:1 | ▼ 12% | 12.1:1 | 15.7:1 |
| Free-lunch eligible | 12.9% | ▼ 65% | 36.4% | 51.7% |
| Enrollment | 701 | top 16% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
10.6:1
Leaner classes than 85% of US schools, among the more generously staffed nationally.
701
Bigger than 80% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
12.9%
free-lunch eligible
- 65% 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
10.6:1
students per teacher
- 12% below state mean
Top 30% in Connecticut - lower ratio than 70% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
11.4%
chronically absent (missed 10%+ of school days)
In the 10-15% range, above the pre-pandemic national baseline but within the broader post-pandemic picture.
Funding equity
$20,308
per pupil, district-wide
- below 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
Counselors4.0 FTE
Per 175 students, the combined health-and-guidance staffing load for this school.
Discipline context
46
in-school suspensions + 44 out-of-school
Suspension rate: 6.6 per 100 students. Combined in-school and out-of-school rate: 12.8 per 100 students. Reported via the Civil Rights Data Collection. Includes 3 expulsions.
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 74.1%
Asian 10.3%
Hispanic or Latino 8.7%
African American 4.1%
Two or More 2.7%
Largest group: White at 74.1% of enrollment.
Student-body diversity index 43.0/100
Simpson diversity index - at 43.0, Ellington High School is less mixed than the Connecticut school average of 50.5.
Programs
AP courses offered 18
Funding & spending
District-wide per-pupil expenditure for Ellington School District, which includes Ellington High School.
$20,308
Per student
-15%
vs Connecticut
Avg $23,870
+22%
vs U.S.
Avg $16,593
Revenue mix
Local 60.7%
State 35.1%
Federal 4.2%
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 Ellington High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Windermere School | Similar size | Similar economic need | Higher S:T ratio |
| Center School | Smaller | Similar economic need | Higher S:T ratio |
| Ellington Middle School | Smaller | Similar economic need | Similar S:T ratio |
| Crystal Lake School | Smaller | Similar economic need | Higher S:T ratio |
Comparisons are relative to Ellington High 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
- 445
- Students per teacher
- 13.5:1
- Resource Index
- 51/100
- Enrollment
- 393
- Students per teacher
- 11.6:1
- Resource Index
- 54/100
- Enrollment
- 308
- Students per teacher
- 13.4:1
- Resource Index
- 46/100
Similar high 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 (~701 students)
Similar student-teacher ratio (~10.6:1)
Next steps
Verify locally before acting on Ellington High School's federal record.
- Compare Ellington High School against another school. Compare schools
- Ellington School District'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 Ellington High School
How many students attend Ellington High School?
Ellington High School has 701 students enrolled. It is a high school in Ellington, CT.
What is the student-teacher ratio at Ellington High School?
The student-teacher ratio at Ellington High School is 10.6:1, which is 12% lower than the Connecticut average of 12.1:1 and 32% 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 Ellington High School?
12.9% of students at Ellington High School are eligible for free lunch, compared to the Connecticut average of 36.4%.
What is the racial and ethnic makeup of Ellington High School?
The largest demographic group at Ellington High School is White at 74.1% of enrollment, in Ellington, CT.
What is the Resource Investment Index for Ellington High School?
Ellington High School has a Resource Investment Index of 63/100 (higher reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Ellington High School rank among public schools in Ellington?
By Resource Investment Index, Ellington High School ranks #1 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.
Is Ellington High School a good school?
Ellington High School earns 63/100 on the Resource Investment Index, with class sizes smaller than 70% 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.
What other schools are in Ellington School District?
Besides Ellington High School, Ellington School District also operates Windermere School (627 students), Center School (445 students), and Ellington Middle School (393 students). See the Ellington School District 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.