Enrollment
421
New Jersey · 2024-25 NCES data
Other / mixed grade configuration · Cranbury, NJ
Federal NCES profile for Cranbury School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 69/100.
The verdict
Cranbury School earns 69/100 on the Resource Investment Index, with class sizes smaller than 96% of New Jersey schools.
Cranbury School has class sizes smaller than 96% of New Jersey schools. Computed live against every New Jersey school reporting to NCES.
NCES ID 340354003282 Verify on NCES CCD record →
Enrollment
421
New Jersey · 2024-25 NCES data
Teachers (FTE)
59.0
Federal CCD staff survey
Students per teacher
7.1:1
vs 11.8:1 New Jersey avg
-40% vs state
Free-lunch eligible
5.6%
vs 29.6% New Jersey avg
-81% vs state
How Cranbury School compares with New Jersey and U.S. medians
Cranbury School is a lower-poverty, mid-sized combined-grade school in Cranbury, New Jersey, enrolling 421 students.
Classes run notably small here: at 7.1:1, Cranbury School is leaner than roughly 96% of New Jersey schools and 40% under the state's 11.8:1 norm, more adult attention per pupil than most peers.
Economic need runs somewhat below the state's typical profile, with 5.6% of students eligible for free meals.
With 421 students, its enrollment sits close to the New Jersey median campus size.
Its Resource Investment Index outscores 95% of the 2,501 New Jersey schools with a score on record, a top-tier result on this measure.
Among 665 similarly sized, similarly resourced-need New Jersey schools statewide, it ranks #33, a top-tier result once campus size and economic need are matched.
Its student body is led by White (50%) and Asian (31%) (diversity index 64/100).
Counselor coverage is strong, about 211 students per counselor, inside the American School Counselor Association's recommended 250:1.
Attendance holds up well here: only 8.8% of students were chronically absent, below the typical post-pandemic national figure.
The surrounding Cranbury Township School District spends $32,789 per pupil, 31% above the New Jersey average, a better-resourced district than most.
Cranbury Township School District operates only this one school, so Cranbury School has no district-mates to compare against locally.
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
Cranbury School on the metrics families compare, against New Jersey and U.S. means.
| Metric | This school | vs New Jersey | New Jersey avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 7.1:1 | ▼ 40% | 11.8:1 | 15.7:1 |
| Free-lunch eligible | 5.6% | ▼ 81% | 29.6% | 51.7% |
| Enrollment | 421 | top 52% | - | - |
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 50.1% of enrollment.
Simpson diversity index - at 63.9, Cranbury School is more mixed than the New Jersey school average of 51.2.
District-wide per-pupil expenditure for Cranbury Township School District, which includes Cranbury 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.
Matched by enrollment size and by staffing ratio across all of New Jersey, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Cranbury 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.
Cranbury School has 421 students enrolled. It is a public school in Cranbury, NJ.
The student-teacher ratio at Cranbury School is 7.1:1, which is 40% lower than the New Jersey average of 11.8:1 and 55% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
5.6% of students at Cranbury School are eligible for free lunch, compared to the New Jersey average of 29.6%.
The largest demographic group at Cranbury School is White at 50.1% of enrollment, in Cranbury, NJ. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 63.9/100.
Cranbury School has a Resource Investment Index of 69/100 (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).
Cranbury School earns 69/100 on the Resource Investment Index, with class sizes smaller than 96% of New Jersey 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.
None reported; Cranbury Township School District operates only Cranbury School as a public school district in NCES's records.
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.