Enrollment
353
New Jersey · 2024-25 NCES data
Elementary school (grades K-5) · Trenton, NJ
Federal NCES profile for Columbus Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 22/100.
The verdict
Columbus Elementary School earns 22/100 on the Resource Investment Index, with class sizes larger than 98% of New Jersey schools.
Columbus Elementary School has class sizes larger than 98% of New Jersey schools. Computed live against every New Jersey school reporting to NCES.
By Resource Investment Index, Columbus Elementary School ranks #17 of 17 elementary schools in Trenton, NJ.
NCES ID 341629003216 Verify on NCES CCD record →
Enrollment
353
New Jersey · 2024-25 NCES data
Teachers (FTE)
18.0
Federal CCD staff survey
Students per teacher
19.6:1
vs 11.8:1 New Jersey avg
+66% vs state
Free-lunch eligible
69.9%
vs 29.6% New Jersey avg
+136% vs state
How Columbus Elementary School compares with New Jersey and U.S. medians
Larger classes than state median
19.6:1 - 7.8 above the New Jersey state median of 11.8:1, indicating larger average class loads than typical schools in the state.
Columbus Elementary School is a higher-need, mid-sized elementary school in Trenton, New Jersey, enrolling 353 students.
Class loads run heavy: 19.6:1 is larger than about 98% of New Jersey schools and 66% above the 11.8:1 state mean, so each teacher carries more students than is typical.
Economic need is high: 69.9% of students qualify for free meals, 136% above the New Jersey average, a Title I-weighted population that federal funding formulas prioritise.
With 353 students, its enrollment sits close to the New Jersey median campus size.
Its Resource Investment Index trails 99% of the 2,501 New Jersey schools with a score on record, one of the lower results on this measure.
Among 161 similarly sized, similarly resourced-need New Jersey schools statewide, it ranks #157, in the lower tier once campus size and economic need are matched.
Its student body is led by African American (54%) and Hispanic or Latino (41%) (diversity index 54/100).
Counselor availability sits well past the ASCA benchmark, roughly 353 students sharing each counselor, though short of the most stretched campuses.
Chronic absenteeism is elevated: 37.7% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Among Trenton's elementary schools, it stands alongside Clara Parker Elementary School (583 students): Columbus Elementary School is smaller than that campus by headcount and runs heavier classes (19.6:1 vs 14.6:1).
Trenton Public School District also operates Trenton Central High School - Main Campus (2,097 students) and Trenton Central High School-9th Grade Academy (890 students) alongside Columbus 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
Columbus 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 | 19.6:1 | ▲ 66% | 11.8:1 | 15.7:1 |
| Free-lunch eligible | 69.9% | ▲ 136% | 29.6% | 51.7% |
| Enrollment | 353 | top 64% | - | - |
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: African American at 54.1% of enrollment.
Simpson diversity index - at 53.7, Columbus Elementary School is more mixed than the New Jersey school average of 51.2.
District-wide per-pupil expenditure for Trenton Public School District, which includes Columbus 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 |
|---|---|---|---|
| Trenton Central High School - Main Campus | Larger | Lower economic need | Lower S:T ratio |
| Trenton Central High School-9th Grade Academy | Larger | Lower economic need | Lower S:T ratio |
| Daylight/Twilight High School | Larger | Lower economic need | Higher S:T ratio |
| Dunn Middle School | Larger | Lower economic need | Lower S:T ratio |
| Hedgepeth Williams Elementary School | Larger | Lower economic need | Lower S:T ratio |
Comparisons are relative to Columbus Elementary School's own figures; each column derives from NCES Common Core of Data.
5 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 Columbus 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.
Columbus Elementary School has 353 students enrolled. It is an elementary school in Trenton, NJ.
The student-teacher ratio at Columbus Elementary School is 19.6:1, which is 66% higher than the New Jersey average of 11.8:1 and 25% higher than the national average of 15.7:1.
69.9% of students at Columbus Elementary School are eligible for free lunch, compared to the New Jersey average of 29.6%.
The largest demographic group at Columbus Elementary School is African American at 54.1% of enrollment, in Trenton, NJ. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 53.7/100.
Columbus Elementary School has a Resource Investment Index of 22/100 (lower 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, Columbus Elementary School ranks #17 of 17 elementary schools in Trenton, 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 Trenton on the city page.
Columbus Elementary School earns 22/100 on the Resource Investment Index, with class sizes larger than 98% 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 Columbus Elementary School, Trenton Public School District also operates Trenton Central High School - Main Campus (2,097 students), Trenton Central High School-9th Grade Academy (890 students), and Daylight/Twilight High School (756 students). See the Trenton 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.
Published by
PlainSchools Editorial
Independent public-data reference that compiles, verifies, and contextualizes official datasets. We do not accept compensation from entities we cover, and every dataset cites its originating public source.
Last updated:
PlainSchools, “Columbus Elementary School, Trenton 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/columbus-elementary-school-nj-2
You are welcome to quote these figures with attribution to PlainSchools and the underlying source. The URL above is stable.