Enrollment
633
Connecticut · 2024-25 NCES data
High school (grades 9-12) · Willimantic, CT
Windham High School
Federal NCES profile for Windham High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 39/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 090519001086
👥 S:T ratio 68
📚 AP courses 30
🌟 Gifted program 30
🎓 Counselors 68
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Windham High School earns 39/100 on the Resource Investment Index, with class sizes smaller than 97% of Connecticut schools.
- #3 of 3
- high schools in Willimantic · Resource Index
- 39
- Resource Index · Typical
- 8:1
- small classes for Connecticut
- 67.1%
- free-lunch eligible
Windham High School has class sizes smaller than 97% of Connecticut schools. Computed live against every Connecticut school reporting to NCES.
By Resource Investment Index, Windham High School ranks #3 of 3 high schools in Willimantic, CT.
School address
District: Windham School District · Connecticut
NCES ID 090519001086 Verify on NCES CCD record →
Teachers (FTE)
79.0
Federal CCD staff survey
Students per teacher
8:1
vs 12.1:1 Connecticut avg
-34% vs state
Free-lunch eligible
67.1%
vs 36.4% Connecticut avg
+84% vs state
Student-teacher ratio in context
How Windham High School compares with Connecticut and U.S. medians
What stands out at Windham High School
Windham High School is a higher-need, mid-sized high school in Willimantic, Connecticut, enrolling 633 students.
Classes run notably small here: at 8:1, Windham High School is leaner than roughly 97% of Connecticut schools and 34% under the state's 12.1:1 norm, more adult attention per pupil than most peers.
Economic need is high: 67.1% of students qualify for free meals, 84% above the Connecticut average, a Title I-weighted population that federal funding formulas prioritise.
Enrollment of 633 puts it in the larger third of Connecticut schools by headcount.
Its Resource Investment Index lands in the lower third of 1,003 scored Connecticut schools.
Against 122 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #21.
Its student body is predominantly Hispanic or Latino (82% of enrollment) (diversity index 32/100).
On the academic-pipeline side it reports 6 Advanced Placement courses.
Counselor coverage is strong, about 158 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 53.9% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The federal civil-rights collection also records 4 expulsions at this campus for 2021-22.
Among Willimantic's high schools, it stands alongside Windham Technical High School (510 students): Windham High School is larger than that campus by headcount and runs leaner classes (8:1 vs 11.6:1).
Windham School District also operates Windham Middle School (583 students) and Charles H. Barrows Stem Academy (535 students) alongside Windham 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 Windham High School compares
Windham 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 | 8:1 | ▼ 34% | 12.1:1 | 15.7:1 |
| Free-lunch eligible | 67.1% | ▲ 84% | 36.4% | 51.7% |
| Enrollment | 633 | top 20% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
8:1
Leaner classes than 95% of US schools, among the more generously staffed nationally.
633
Bigger than 75% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
67.1%
free-lunch eligible
- 84% above the Connecticut average of 36.4%
Well above the 40% Title I schoolwide threshold, among the highest-need profiles in the state; federal funds support the whole school, not individual students.
Staffing depth
8:1
students per teacher
- 34% below state mean
Top 3% in Connecticut - lower ratio than 97% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
53.9%
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
$24,012
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
Counselors4.0 FTE
Per 158 students, the combined health-and-guidance staffing load for this school.
Discipline context
51
in-school suspensions + 44 out-of-school
Suspension rate: 8.1 per 100 students. Combined in-school and out-of-school rate: 15.0 per 100 students. Reported via the Civil Rights Data Collection. Includes 4 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
Hispanic or Latino 81.7%
White 12.0%
African American 3.3%
Two or More 2.5%
Asian 0.5%
Largest group: Hispanic or Latino at 81.7% of enrollment.
Student-body diversity index 31.6/100
Simpson diversity index - at 31.6, Windham High School is less mixed than the Connecticut school average of 50.5.
Programs
AP courses offered 6
Funding & spending
District-wide per-pupil expenditure for Windham School District, which includes Windham High School.
$24,012
Per student
+1%
vs Connecticut
Avg $23,870
+45%
vs U.S.
Avg $16,593
Revenue mix
Local 26.8%
State 64.1%
Federal 9.1%
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 Windham High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Windham Middle School | Similar size | Similar economic need | Higher S:T ratio |
| Charles H. Barrows Stem Academy | Similar size | Lower economic need | Higher S:T ratio |
| North Windham School | Smaller | Similar economic need | Higher S:T ratio |
| Natchaug School | Smaller | Similar economic need | Similar S:T ratio |
| W. B. Sweeney School | Smaller | Higher economic need | Similar S:T ratio |
Comparisons are relative to Windham High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 583
- Students per teacher
- 9.7:1
- Resource Index
- 38/100
- Enrollment
- 535
- Students per teacher
- 10.3:1
- Resource Index
- 28/100
- Enrollment
- 445
- Students per teacher
- 12:1
- Resource Index
- 32/100
- Enrollment
- 234
- Students per teacher
- 9.4:1
- Resource Index
- 31/100
- Enrollment
- 212
- Students per teacher
- 7.6:1
- Resource Index
- 33/100
Similar high schools in Willimantic
2 comparable high schools (grades 9-12) serving the same city.
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 (~633 students)
Next steps
Verify locally before acting on Windham High School's federal record.
- Compare Windham High School against another school. Compare schools
- Windham 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 Windham High School
How many students attend Windham High School?
Windham High School has 633 students enrolled. It is a high school in Willimantic, CT.
What is the student-teacher ratio at Windham High School?
The student-teacher ratio at Windham High School is 8:1, which is 34% lower than the Connecticut average of 12.1:1 and 49% 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 Windham High School?
67.1% of students at Windham High School are eligible for free lunch, compared to the Connecticut average of 36.4%.
What is the racial and ethnic makeup of Windham High School?
The largest demographic group at Windham High School is Hispanic or Latino at 81.7% of enrollment, in Willimantic, CT.
What is the Resource Investment Index for Windham High School?
Windham High School has a Resource Investment Index of 39/100 (typical 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 Windham High School rank among high schools in Willimantic?
By Resource Investment Index, Windham High School ranks #3 of 3 high schools in Willimantic, CT. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Willimantic on the city page.
Is Windham High School a good school?
Windham High School earns 39/100 on the Resource Investment Index, with class sizes smaller than 97% 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 Windham School District?
Besides Windham High School, Windham School District also operates Windham Middle School (583 students), Charles H. Barrows Stem Academy (535 students), and North Windham School (445 students). See the Windham 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.