Enrollment
483
Connecticut · 2024-25 NCES data
Middle school (grades 6-8) · Greenwich, CT
Central Middle School
Federal NCES profile for Central Middle School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 65/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 090171000295
👥 S:T ratio 65
🌟 Gifted program 70
📋 Attendance 59
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Central Middle School earns 65/100 on the Resource Investment Index, with class sizes smaller than 91% of Connecticut schools.
- #4 of 9
- public schools in Greenwich · Resource Index
- 65
- Resource Index · Higher
- 8.8:1
- small classes for Connecticut
- 15.8%
- free-lunch eligible
Central Middle School has class sizes smaller than 91% of Connecticut schools. Computed live against every Connecticut school reporting to NCES.
By Resource Investment Index, Central Middle School ranks #4 of 9 public schools in Greenwich, CT.
School address
District: Greenwich School District · Connecticut
NCES ID 090171000295 Verify on NCES CCD record →
Teachers (FTE)
55.0
Federal CCD staff survey
Students per teacher
8.8:1
vs 12.1:1 Connecticut avg
-27% vs state
Free-lunch eligible
15.8%
vs 36.4% Connecticut avg
-57% vs state
Student-teacher ratio in context
How Central Middle School compares with Connecticut and U.S. medians
What stands out at Central Middle School
Central Middle School is a lower-poverty, mid-sized middle school in Greenwich, Connecticut, enrolling 483 students.
Classes run notably small here: at 8.8:1, Central Middle School is leaner than roughly 91% of Connecticut schools and 27% under the state's 12.1:1 norm, more adult attention per pupil than most peers.
Economic need runs somewhat below the state's typical profile, with 15.8% of students eligible for free meals.
Enrollment of 483 puts it in the larger third of Connecticut schools by headcount.
Its Resource Investment Index outscores 90% of the 1,003 Connecticut schools with a score on record, a top-tier result on this measure.
Against 289 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #46.
Its student body is led by White (65%) and Hispanic or Latino (18%) (diversity index 53/100).
16.4% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
The surrounding Greenwich School District spends $30,449 per pupil, 28% above the Connecticut average, a better-resourced district than most.
Among Greenwich's middle schools, it stands alongside Western Middle School (563 students): Central Middle School is smaller than that campus by headcount and runs heavier classes (8.8:1 vs 8.3:1).
Greenwich School District also operates Greenwich High School (2,620 students) and Eastern Middle School (797 students) alongside Central Middle 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 Central Middle School compares
Central Middle 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 | 8.8:1 | ▼ 27% | 12.1:1 | 15.7:1 |
| Free-lunch eligible | 15.8% | ▼ 57% | 36.4% | 51.7% |
| Enrollment | 483 | top 35% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
8.8:1
Leaner classes than 93% of US schools, among the more generously staffed nationally.
483
Bigger than 59% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
15.8%
free-lunch eligible
- 57% 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
8.8:1
students per teacher
- 27% below state mean
Top 9% in Connecticut - lower ratio than 91% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
16.4%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$30,449
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
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
13
in-school suspensions + 2 out-of-school
Suspension rate: 2.7 per 100 students. Combined in-school and out-of-school rate: 3.1 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 65.2%
Hispanic or Latino 17.6%
Two or More 7.9%
Asian 7.7%
African American 1.4%
American Indian / Alaska Native 0.2%
Largest group: White at 65.2% of enrollment.
Student-body diversity index 53.2/100
Simpson diversity index - at 53.2, Central Middle School is more mixed than the Connecticut school average of 50.5.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Greenwich School District, which includes Central Middle School.
$30,449
Per student
+28%
vs Connecticut
Avg $23,870
+84%
vs U.S.
Avg $16,593
Revenue mix
Local 81.4%
State 13.5%
Federal 5.1%
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 Central Middle School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Greenwich High School | Larger | Similar economic need | Higher S:T ratio |
| Eastern Middle School | Larger | Lower economic need | Higher S:T ratio |
| Western Middle School | Similar size | Higher economic need | Similar S:T ratio |
| Riverside School | Similar size | Lower economic need | Higher S:T ratio |
| North Mianus School | Similar size | Lower economic need | Higher S:T ratio |
Comparisons are relative to Central Middle School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,620
- Students per teacher
- 12.5:1
- Resource Index
- 54/100
- Enrollment
- 797
- Students per teacher
- 10.4:1
- Resource Index
- 66/100
- Enrollment
- 563
- Students per teacher
- 8.3:1
- Resource Index
- 67/100
- Enrollment
- 440
- Students per teacher
- 12.6:1
- Resource Index
- 68/100
- Enrollment
- 423
- Students per teacher
- 10.8:1
- Resource Index
- 64/100
Similar middle schools in Greenwich
1 comparable middle schools (grades 6-8) serving the same city.
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 (~483 students)
Similar student-teacher ratio (~8.8:1)
Next steps
Verify locally before acting on Central Middle School's federal record.
- Compare Central Middle School against another school. Compare schools
- Greenwich 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 Central Middle School
How many students attend Central Middle School?
Central Middle School has 483 students enrolled. It is a middle school in Greenwich, CT.
What is the student-teacher ratio at Central Middle School?
The student-teacher ratio at Central Middle School is 8.8:1, which is 27% lower than the Connecticut average of 12.1:1 and 44% 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 Central Middle School?
15.8% of students at Central Middle School are eligible for free lunch, compared to the Connecticut average of 36.4%.
What is the racial and ethnic makeup of Central Middle School?
The largest demographic group at Central Middle School is White at 65.2% of enrollment, in Greenwich, CT. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 53.2/100.
What is the Resource Investment Index for Central Middle School?
Central Middle School has a Resource Investment Index of 65/100 (higher reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Central Middle School rank among public schools in Greenwich?
By Resource Investment Index, Central Middle School ranks #4 of 9 public schools in Greenwich, 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 Greenwich on the city page.
Is Central Middle School a good school?
Central Middle School earns 65/100 on the Resource Investment Index, with class sizes smaller than 91% 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 Greenwich School District?
Besides Central Middle School, Greenwich School District also operates Greenwich High School (2,620 students), Eastern Middle School (797 students), and Western Middle School (563 students). See the Greenwich 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.