Enrollment
671
New Jersey · 2024-25 NCES data
Elementary school (grades K-5) · Plainfield, NJ
Federal NCES profile for Cedarbrook Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 34/100.
The verdict
Cedarbrook Elementary School earns 34/100 on the Resource Investment Index, with class sizes larger than 77% of New Jersey schools.
Cedarbrook Elementary School has class sizes larger than 77% of New Jersey schools. Computed live against every New Jersey school reporting to NCES.
By Resource Investment Index, Cedarbrook Elementary School ranks #3 of 6 elementary schools in Plainfield, NJ.
NCES ID 341314005612 Verify on NCES CCD record →
Enrollment
671
New Jersey · 2024-25 NCES data
Teachers (FTE)
51.0
Federal CCD staff survey
Students per teacher
13.2:1
vs 11.8:1 New Jersey avg
+12% vs state
Free-lunch eligible
61.8%
vs 29.6% New Jersey avg
+109% vs state
How Cedarbrook Elementary School compares with New Jersey and U.S. medians
Slightly above state median
13.2:1 - 1.4 above the New Jersey state median of 11.8:1, indicating larger average class loads than typical schools in the state.
Cedarbrook Elementary School is a higher-need, mid-sized elementary school in Plainfield, New Jersey, enrolling 671 students.
Class loads run somewhat heavier than typical: 13.2:1 puts it in the larger third of New Jersey schools by student-teacher ratio.
Economic need is high: 61.8% of students qualify for free meals, 109% above the New Jersey average, a Title I-weighted population that federal funding formulas prioritise.
Enrollment of 671 puts it in the larger third of New Jersey schools by headcount.
Its Resource Investment Index trails 92% of the 2,501 New Jersey schools with a score on record, one of the lower results on this measure.
Against 263 statewide peers matched on enrollment and economic need, it ranks mid-pack at #176.
Its student body is led by Hispanic or Latino (69%) and African American (28%) (diversity index 45/100).
Counselor access is stretched at roughly 671 students per counselor, well above the ASCA-recommended 250:1 ceiling.
16.2% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
Among Plainfield's elementary schools, it stands alongside Cresthaven Academy Charter School (621 students): Cedarbrook Elementary School is larger than that campus by headcount and runs leaner classes (13.2:1 vs 17.3:1).
Plainfield Public School District also operates Plainfield High School (2,077 students) and Hubbard Middle School (737 students) alongside Cedarbrook 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
Cedarbrook Elementary 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 | 13.2:1 | ▲ 12% | 11.8:1 | 15.7:1 |
| Free-lunch eligible | 61.8% | ▲ 109% | 29.6% | 51.7% |
| Enrollment | 671 | top 23% | - | - |
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: Hispanic or Latino at 69.0% of enrollment.
Simpson diversity index - at 44.5, Cedarbrook Elementary School is less mixed than the New Jersey school average of 51.2.
District-wide per-pupil expenditure for Plainfield Public School District, which includes Cedarbrook Elementary 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 |
|---|---|---|---|
| Plainfield High School | Larger | Similar economic need | Higher S:T ratio |
| Hubbard Middle School | Similar size | Higher economic need | Similar S:T ratio |
| Maxson Middle School | Similar size | Higher economic need | Lower S:T ratio |
| Washington Community School | Similar size | Higher economic need | Similar S:T ratio |
| Dewitt D. Barlow Elementary School | Smaller | Higher economic need | Similar S:T ratio |
Comparisons are relative to Cedarbrook Elementary School's own figures; each column derives from NCES Common Core of Data.
1 comparable elementary schools (grades K-5) serving the same city.
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 Cedarbrook Elementary 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.
Cedarbrook Elementary School has 671 students enrolled. It is an elementary school in Plainfield, NJ.
The student-teacher ratio at Cedarbrook Elementary School is 13.2:1, which is 12% higher than the New Jersey average of 11.8:1 and 16% lower than the national average of 15.7:1.
61.8% of students at Cedarbrook Elementary School are eligible for free lunch, compared to the New Jersey average of 29.6%.
The largest demographic group at Cedarbrook Elementary School is Hispanic or Latino at 69.0% of enrollment, in Plainfield, NJ.
Cedarbrook Elementary School has a Resource Investment Index of 34/100 (typical 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).
By Resource Investment Index, Cedarbrook Elementary School ranks #3 of 6 elementary schools in Plainfield, NJ. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Plainfield on the city page.
Cedarbrook Elementary School earns 34/100 on the Resource Investment Index, with class sizes larger than 77% 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.
Besides Cedarbrook Elementary School, Plainfield Public School District also operates Plainfield High School (2,077 students), Hubbard Middle School (737 students), and Maxson Middle School (721 students). See the Plainfield Public 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, “Cedarbrook Elementary School, Plainfield NJ.” 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/cedarbrook-elementary-school-nj
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