Enrollment
410
Connecticut · 2024-25 NCES data
Elementary school (grades K-5) · Norwalk, CT
Cranbury Elementary School
Federal NCES profile for Cranbury Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 58/100.
2024-25 NCES dataElementary school (grades K-5)NCES 090309000643
👥 S:T ratio 54
🌟 Gifted program 70
📋 Attendance 48
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Cranbury Elementary School earns 58/100 on the Resource Investment Index, with class sizes near the Connecticut median.
- #4 of 7
- elementary schools in Norwalk · Resource Index
- 58
- Resource Index · Higher
- 11.4:1
- students per teacher
- 32.7%
- free-lunch eligible
Cranbury Elementary School has class sizes near the Connecticut median. Computed live against every Connecticut school reporting to NCES.
By Resource Investment Index, Cranbury Elementary School ranks #4 of 7 elementary schools in Norwalk, CT.
School address
District: Norwalk School District · Connecticut
NCES ID 090309000643 Verify on NCES CCD record →
Teachers (FTE)
36.0
Federal CCD staff survey
Students per teacher
11.4:1
vs 12.1:1 Connecticut avg
-6% vs state
Free-lunch eligible
32.7%
vs 36.4% Connecticut avg
-10% vs state
Student-teacher ratio in context
How Cranbury Elementary School compares with Connecticut and U.S. medians
What stands out at Cranbury Elementary School
Cranbury Elementary School is a mid-sized elementary school in Norwalk, Connecticut, enrolling 410 students.
At 11.4:1, its student-teacher ratio sits close to the Connecticut median, within a few percentage points of the 12.1:1 state norm, neither notably crowded nor notably small.
Its free-meal eligibility rate of 32.7% lands close to the Connecticut typical range, neither a high- nor low-need campus by this measure.
With 410 students, its enrollment sits close to the Connecticut median campus size.
Its Resource Investment Index lands in the upper third of 1,003 scored Connecticut schools.
Against 251 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #45.
Its student body is led by White (45%) and Hispanic or Latino (36%) (diversity index 65/100).
Attendance runs somewhat below the norm, with 20.7% of students chronically absent per the 2021-22 civil-rights collection.
Among Norwalk's elementary schools, it stands alongside Jefferson Marine Science Elementary School (457 students): Cranbury Elementary School is smaller than that campus by headcount and runs leaner classes (11.4:1 vs 13.1:1).
Norwalk School District also operates Brien Mcmahon High School (1,739 students) and Norwalk High School (1,494 students) alongside Cranbury Elementary 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 Cranbury Elementary School compares
Cranbury Elementary 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 | 11.4:1 | ▼ 6% | 12.1:1 | 15.7:1 |
| Free-lunch eligible | 32.7% | ▼ 10% | 36.4% | 51.7% |
| Enrollment | 410 | top 50% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
11.4:1
Leaner classes than 80% of US schools, among the more generously staffed nationally.
410
Bigger than 49% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
32.7%
free-lunch eligible
- 10% 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
11.4:1
students per teacher
- 6% below state mean
Top 46% in Connecticut - lower ratio than 54% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
20.7%
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
$25,610
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
2
in-school suspensions + 0 out-of-school
Suspension rate: 0.5 per 100 students. Combined in-school and out-of-school rate: 0.5 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 45.1%
Hispanic or Latino 36.3%
African American 8.0%
Two or More 5.4%
Asian 4.6%
Native Hawaiian / Pacific Islander 0.5%
Largest group: White at 45.1% of enrollment.
Student-body diversity index 65.3/100
Simpson diversity index - at 65.3, Cranbury Elementary School is more mixed than the Connecticut school average of 50.5.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Norwalk School District, which includes Cranbury Elementary School.
$25,610
Per student
+7%
vs Connecticut
Avg $23,870
+54%
vs U.S.
Avg $16,593
Revenue mix
Local 69.3%
State 23.3%
Federal 7.4%
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 Cranbury Elementary School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Brien Mcmahon High School | Larger | Similar economic need | Higher S:T ratio |
| Norwalk High School | Larger | Similar economic need | Higher S:T ratio |
| West Rocks Middle School | Larger | Similar economic need | Similar S:T ratio |
| Ponus Ridge Steam Academy | Larger | Higher economic need | Similar S:T ratio |
| Nathan Hale Middle School | Similar size | Higher economic need | Similar S:T ratio |
Comparisons are relative to Cranbury Elementary School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,739
- Students per teacher
- 14.6:1
- Resource Index
- 42/100
- Enrollment
- 1,494
- Students per teacher
- 13.3:1
- Resource Index
- 32/100
- Enrollment
- 657
- Students per teacher
- 10.6:1
- Resource Index
- 59/100
- Enrollment
- 637
- Students per teacher
- 10.8:1
- Resource Index
- 49/100
- Enrollment
- 499
- Students per teacher
- 10.8:1
- Resource Index
- 52/100
Similar elementary schools in Norwalk
6 comparable elementary schools (grades K-5) serving the same city.
Jefferson Marine Science Elementary School
Standard public school
457 students 13.1:1 students per teacher
Tracey Magnet School
Standard public school
434 students 12.4:1 students per teacher
Silvermine Dual Language Magnet School
Standard public school
428 students 13:1 students per teacher
Rowayton School
Standard public school
402 students 11.5:1 students per teacher
Concord Magnet School
Standard public school
388 students 14.9:1 students per teacher
Marvin Elementary School
Standard public school
375 students 12.9:1 students per teacher
Similar elementary 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 (~410 students)
Next steps
Verify locally before acting on Cranbury Elementary School's federal record.
- Compare Cranbury Elementary School against another school. Compare schools
- Norwalk 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 Cranbury Elementary School
How many students attend Cranbury Elementary School?
Cranbury Elementary School has 410 students enrolled. It is an elementary school in Norwalk, CT.
What is the student-teacher ratio at Cranbury Elementary School?
The student-teacher ratio at Cranbury Elementary School is 11.4:1, which is 6% lower than the Connecticut average of 12.1:1 and 27% 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 Cranbury Elementary School?
32.7% of students at Cranbury Elementary School are eligible for free lunch, compared to the Connecticut average of 36.4%.
What is the racial and ethnic makeup of Cranbury Elementary School?
The largest demographic group at Cranbury Elementary School is White at 45.1% of enrollment, in Norwalk, CT. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 65.3/100.
What is the Resource Investment Index for Cranbury Elementary School?
Cranbury Elementary School has a Resource Investment Index of 58/100 (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 Cranbury Elementary School rank among elementary schools in Norwalk?
By Resource Investment Index, Cranbury Elementary School ranks #4 of 7 elementary schools in Norwalk, CT. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Norwalk on the city page.
Is Cranbury Elementary School a good school?
Cranbury Elementary School earns 58/100 on the Resource Investment Index, with class sizes near the Connecticut median. 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 Norwalk School District?
Besides Cranbury Elementary School, Norwalk School District also operates Brien Mcmahon High School (1,739 students), Norwalk High School (1,494 students), and West Rocks Middle School (657 students). See the Norwalk 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.