Enrollment
609
New Jersey · 2024-25 NCES data
Other / mixed grade configuration · Williamstown, NJ
Federal NCES profile for Radix Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 51/100.
The verdict
Radix Elementary earns 51/100 on the Resource Investment Index, with class sizes near the New Jersey median.
Radix Elementary has class sizes near the New Jersey median. Computed live against every New Jersey school reporting to NCES.
By Resource Investment Index, Radix Elementary ranks #1 of 5 schools in Williamstown, NJ.
NCES ID 341047005938 Verify on NCES CCD record →
Enrollment
609
New Jersey · 2024-25 NCES data
Teachers (FTE)
58.0
Federal CCD staff survey
Students per teacher
10.5:1
vs 11.8:1 New Jersey avg
-11% vs state
Free-lunch eligible
23.6%
vs 29.6% New Jersey avg
-20% vs state
How Radix Elementary compares with New Jersey and U.S. medians
At or below state median
10.5:1 - 1.3 below the New Jersey state median of 11.8:1, indicating smaller average class loads than typical schools in the state.
Radix Elementary is a mid-sized combined-grade school in Williamstown, New Jersey, enrolling 609 students.
Class sizes run a bit leaner than typical: 10.5:1 puts it in the smaller third of New Jersey schools by student-teacher ratio.
Its free-meal eligibility rate of 23.6% lands close to the New Jersey typical range, neither a high- nor low-need campus by this measure.
Enrollment of 609 puts it in the larger third of New Jersey schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 2,501 scored New Jersey schools.
Against 458 statewide peers matched on enrollment and economic need, it ranks mid-pack at #236.
Its student body is led by White (62%) and African American (15%) (diversity index 57/100).
Counselor access is stretched at roughly 609 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Attendance holds up well here: only 9.4% of students were chronically absent, below the typical post-pandemic national figure.
The surrounding Monroe Township Public School District spends $20,109 per pupil, 20% below the New Jersey average, a leaner-resourced district than most.
Monroe Township Public School District also operates Williamstown High School (1,769 students) and Williamstown Middle School (1,694 students) alongside Radix Elementary.
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
Radix Elementary 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 | 10.5:1 | ▼ 11% | 11.8:1 | 15.7:1 |
| Free-lunch eligible | 23.6% | ▼ 20% | 29.6% | 51.7% |
| Enrollment | 609 | top 28% | - | - |
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 61.6% of enrollment.
Simpson diversity index - at 57.2, Radix Elementary is more mixed than the New Jersey school average of 51.2.
District-wide per-pupil expenditure for Monroe Township Public School District, which includes Radix Elementary.
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 |
|---|---|---|---|
| Williamstown High School | Larger | Similar economic need | Higher S:T ratio |
| Williamstown Middle School | Larger | Similar economic need | Higher S:T ratio |
| Oak Knoll Elementary School | Similar size | Similar economic need | Higher S:T ratio |
| Holly Glen Elementary School | Similar size | Higher economic need | Similar S:T ratio |
| Whitehall Elementary School | Smaller | Similar economic need | Similar S:T ratio |
Comparisons are relative to Radix Elementary's own figures; each column derives from NCES Common Core of Data.
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 Radix Elementary'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.
Radix Elementary has 609 students enrolled. It is a public school in Williamstown, NJ.
The student-teacher ratio at Radix Elementary is 10.5:1, which is 11% lower than the New Jersey average of 11.8:1 and 33% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
23.6% of students at Radix Elementary are eligible for free lunch, compared to the New Jersey average of 29.6%.
The largest demographic group at Radix Elementary is White at 61.6% of enrollment, in Williamstown, NJ. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 57.2/100.
Radix Elementary has a Resource Investment Index of 51/100 (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).
By Resource Investment Index, Radix Elementary ranks #1 of 5 schools in Williamstown, NJ. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Williamstown on the city page.
Radix Elementary earns 51/100 on the Resource Investment Index, with class sizes near the New Jersey 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.
Besides Radix Elementary, Monroe Township Public School District also operates Williamstown High School (1,769 students), Williamstown Middle School (1,694 students), and Oak Knoll Elementary School (671 students). See the Monroe Township 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, “Radix Elementary, Williamstown 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/radix-elementary-nj
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