Enrollment
852
Connecticut · 2024-25 NCES data
Middle school (grades 6-8) · Wilton, CT
Middlebrook School
Federal NCES profile for Middlebrook School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 54/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 090513001073
👥 S:T ratio 60
🌟 Gifted program 30
🎓 Counselors 43
📋 Attendance 82
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Middlebrook School earns 54/100 on the Resource Investment Index, with class sizes smaller than 81% of Connecticut schools.
- #2 of 4
- public schools in Wilton · Resource Index
- 54
- Resource Index · Higher
- 9.9:1
- small classes for Connecticut
- 5.4%
- free-lunch eligible
Middlebrook School has class sizes smaller than 81% of Connecticut schools. Computed live against every Connecticut school reporting to NCES.
By Resource Investment Index, Middlebrook School ranks #2 of 4 public schools in Wilton, CT.
School address
District: Wilton School District · Connecticut
NCES ID 090513001073 Verify on NCES CCD record →
Teachers (FTE)
86.0
Federal CCD staff survey
Students per teacher
9.9:1
vs 12.1:1 Connecticut avg
-18% vs state
Free-lunch eligible
5.4%
vs 36.4% Connecticut avg
-85% vs state
Student-teacher ratio in context
How Middlebrook School compares with Connecticut and U.S. medians
What stands out at Middlebrook School
Middlebrook School is a lower-poverty, large middle school in Wilton, Connecticut, enrolling 852 students.
Class sizes run a bit leaner than typical: 9.9:1 puts it in the smaller third of Connecticut schools by student-teacher ratio.
Comparatively few students face economic hardship here, 5.4% free-meal eligibility runs 85% below the Connecticut average.
By headcount it is one of the larger campuses in Connecticut, bigger than 91% of state schools at 852 students.
Its Resource Investment Index lands in the upper third of 1,003 scored Connecticut schools.
Against 82 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #34.
Its student body is led by White (72%) and Asian (12%) (diversity index 45/100).
Counselor coverage runs a bit thin, about 284 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Attendance holds up well here: only 7.3% of students were chronically absent, below the typical post-pandemic national figure.
Wilton School District also operates Wilton High School (1,202 students) and Miller-Driscoll School (845 students) alongside Middlebrook 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 Middlebrook School compares
Middlebrook 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 | 9.9:1 | ▼ 18% | 12.1:1 | 15.7:1 |
| Free-lunch eligible | 5.4% | ▼ 85% | 36.4% | 51.7% |
| Enrollment | 852 | top 9% | - | - |
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.
852
Bigger than 87% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
5.4%
free-lunch eligible
- 85% below the Connecticut average of 36.4%
Below the 40% Title I threshold, among the lower-need profiles in the state; 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
7.3%
chronically absent (missed 10%+ of school days)
In the 5-10% range, close to the pre-pandemic national baseline.
Funding equity
$26,789
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
Counselors3.0 FTE
Per 284 students, the combined health-and-guidance staffing load for this school.
Discipline context
14
in-school suspensions + 2 out-of-school
Suspension rate: 1.6 per 100 students. Combined in-school and out-of-school rate: 1.9 per 100 students. Reported via the Civil Rights Data Collection.
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 72.2%
Asian 12.2%
Hispanic or Latino 8.0%
Two or More 6.6%
African American 0.7%
American Indian / Alaska Native 0.4%
Largest group: White at 72.2% of enrollment.
Student-body diversity index 45.3/100
Simpson diversity index - at 45.3, Middlebrook School is less mixed than the Connecticut school average of 50.5.
Programs
Funding & spending
District-wide per-pupil expenditure for Wilton School District, which includes Middlebrook School.
$26,789
Per student
+12%
vs Connecticut
Avg $23,870
+61%
vs U.S.
Avg $16,593
Revenue mix
Local 82.9%
State 15.4%
Federal 1.7%
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 Middlebrook School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Wilton High School | Larger | Similar economic need | Similar S:T ratio |
| Miller-Driscoll School | Similar size | Similar economic need | Higher S:T ratio |
| Cider Mill School | Similar size | Similar economic need | Higher S:T ratio |
Comparisons are relative to Middlebrook School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,202
- Students per teacher
- 10.8:1
- Resource Index
- 61/100
- Enrollment
- 845
- Students per teacher
- 14.1:1
- Resource Index
- 40/100
- Enrollment
- 831
- Students per teacher
- 12.8:1
- Resource Index
- 47/100
Similar middle 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 (~852 students)
Next steps
Verify locally before acting on Middlebrook School's federal record.
- Compare Middlebrook School against another school. Compare schools
- Wilton 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 Middlebrook School
How many students attend Middlebrook School?
Middlebrook School has 852 students enrolled. It is a middle school in Wilton, CT.
What is the student-teacher ratio at Middlebrook School?
The student-teacher ratio at Middlebrook 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 Middlebrook School?
5.4% of students at Middlebrook School are eligible for free lunch, compared to the Connecticut average of 36.4%.
What is the racial and ethnic makeup of Middlebrook School?
The largest demographic group at Middlebrook School is White at 72.2% of enrollment, in Wilton, CT.
What is the Resource Investment Index for Middlebrook School?
Middlebrook School has a Resource Investment Index of 54/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Middlebrook School rank among public schools in Wilton?
By Resource Investment Index, Middlebrook School ranks #2 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.
Is Middlebrook School a good school?
Middlebrook School earns 54/100 on the Resource Investment Index, with class sizes smaller than 81% 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 Wilton School District?
Besides Middlebrook School, Wilton School District also operates Wilton High School (1,202 students), Miller-Driscoll School (845 students), and Cider Mill School (831 students). See the Wilton 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.