Enrollment
1,202
Connecticut · 2024-25 NCES data
High school (grades 9-12) · Wilton, CT
Federal NCES profile for Wilton High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 69/100.
The verdict
Wilton High School earns 69/100 on the Resource Investment Index, with class sizes near the Connecticut median. It is also one of the largest schools in Connecticut.
Wilton High School has class sizes near the Connecticut median. Computed live against every Connecticut school reporting to NCES.
By Resource Investment Index, Wilton High School ranks #1 of 4 public schools in Wilton, CT.
NCES ID 090513001076 Verify on NCES CCD record →
Enrollment
1,202
Connecticut · 2024-25 NCES data
Teachers (FTE)
111.0
Federal CCD staff survey
Students per teacher
10.8:1
vs 12.1:1 Connecticut avg
-11% vs state
Free-lunch eligible
8.4%
vs 36.4% Connecticut avg
-77% vs state
How Wilton High School compares with Connecticut and U.S. medians
At or below state median
10.8:1 - 1.3 below the Connecticut state median of 12.1:1, indicating smaller average class loads than typical schools in the state.
Wilton High School is a lower-poverty, large high school in Wilton, Connecticut, enrolling 1,202 students.
Class sizes run a bit leaner than typical: 10.8:1 puts it in the smaller third of Connecticut schools by student-teacher ratio.
Comparatively few students face economic hardship here, 8.4% free-meal eligibility runs 77% below the Connecticut average.
By headcount it is one of the larger campuses in Connecticut, bigger than 96% of state schools at 1,202 students.
Its Resource Investment Index lands in the upper third of 1,003 scored Connecticut schools.
Against 49 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #15.
Its student body is led by White (75%) and Asian (11%) (diversity index 41/100).
On the academic-pipeline side it reports 23 Advanced Placement courses.
Counselor coverage is strong, about 172 students per counselor, inside the American School Counselor Association's recommended 250:1.
Attendance holds up well here: only 2.9% of students were chronically absent, below the typical post-pandemic national figure.
Wilton School District also operates Middlebrook School (852 students) and Miller-Driscoll School (845 students) alongside Wilton 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
Wilton 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 | 10.8:1 | ▼ 11% | 12.1:1 | 15.7:1 |
| Free-lunch eligible | 8.4% | ▼ 77% | 36.4% | 51.7% |
| Enrollment | 1,202 | top 4% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
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.
Largest group: White at 75.2% of enrollment.
Simpson diversity index - at 41.4, Wilton High School is less mixed than the Connecticut school average of 50.5.
District-wide per-pupil expenditure for Wilton School District, which includes Wilton High School.
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.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Middlebrook School | Smaller | Similar economic need | Similar S:T ratio |
| Miller-Driscoll School | Smaller | Similar economic need | Higher S:T ratio |
| Cider Mill School | Smaller | Similar economic need | Higher S:T ratio |
Comparisons are relative to Wilton High School's own figures; each column derives from NCES Common Core of Data.
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.
Next steps
Verify locally before acting on Wilton High School's federal record.
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.
Wilton High School has 1,202 students enrolled. It is a high school in Wilton, CT.
The student-teacher ratio at Wilton High School is 10.8:1, which is 11% lower than the Connecticut average of 12.1:1 and 31% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
8.4% of students at Wilton High School are eligible for free lunch, compared to the Connecticut average of 36.4%.
The largest demographic group at Wilton High School is White at 75.2% of enrollment, in Wilton, CT.
Wilton High School has a Resource Investment Index of 69/100 (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).
By Resource Investment Index, Wilton High School ranks #1 of 4 public schools in Wilton, 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 Wilton on the city page.
Wilton High School earns 69/100 on the Resource Investment Index, with class sizes near the Connecticut median. It is also one of the largest schools in Connecticut. 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.
Besides Wilton High School, Wilton School District also operates Middlebrook School (852 students), Miller-Driscoll School (845 students), and Cider Mill School (831 students). See the Wilton School District district page for the complete list.
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.
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Last updated:
PlainSchools, “Wilton High School, Wilton CT.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/wilton-high-school-ct
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