Enrollment
812
New Jersey · 2024-25 NCES data
Other / mixed grade configuration · Union, NJ
Hannah Caldwell Elementary
Federal NCES profile for Hannah Caldwell Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 42/100.
2024-25 NCES dataOther / mixed grade configurationNCES 341650000247
👥 S:T ratio 29
🌟 Gifted program 70
🎓 Counselors 0
📋 Attendance 69
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Hannah Caldwell Elementary earns 42/100 on the Resource Investment Index, with class sizes larger than 97% of New Jersey schools.
- #6 of 6
- schools in Union · Resource Index
- 42
- Resource Index · Typical
- 17.7:1
- large classes for New Jersey
- 10.8%
- free-lunch eligible
Hannah Caldwell Elementary has class sizes larger than 97% of New Jersey schools. Computed live against every New Jersey school reporting to NCES.
By Resource Investment Index, Hannah Caldwell Elementary ranks #6 of 6 schools in Union, NJ.
School address
District: Township of Union School District · New Jersey
NCES ID 341650000247 Verify on NCES CCD record →
Teachers (FTE)
46.0
Federal CCD staff survey
Students per teacher
17.7:1
vs 11.8:1 New Jersey avg
+50% vs state
Free-lunch eligible
10.8%
vs 29.6% New Jersey avg
-64% vs state
Student-teacher ratio in context
How Hannah Caldwell Elementary compares with New Jersey and U.S. medians
What stands out at Hannah Caldwell Elementary
Hannah Caldwell Elementary is a lower-poverty, large combined-grade school in Union, New Jersey, enrolling 812 students.
Class loads run heavy: 17.7:1 is larger than about 97% of New Jersey schools and 50% above the 11.8:1 state mean, so each teacher carries more students than is typical.
Economic need runs somewhat below the state's typical profile, with 10.8% of students eligible for free meals.
Enrollment of 812 puts it in the larger third of New Jersey schools by headcount.
Its Resource Investment Index lands in the lower third of 2,501 scored New Jersey schools.
Among 399 similarly sized, similarly resourced-need New Jersey schools statewide, it ranks #358, in the lower tier once campus size and economic need are matched.
Its student body is led by African American (41%) and Hispanic or Latino (31%) (diversity index 71/100).
Counselor access is stretched at roughly 812 students per counselor, well above the ASCA-recommended 250:1 ceiling.
12.4% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
Township of Union School District also operates Union High School (2,410 students) and Burnet Middle School (970 students) alongside Hannah Caldwell 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
How Hannah Caldwell Elementary compares
Hannah Caldwell 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 | 17.7:1 | ▲ 50% | 11.8:1 | 15.7:1 |
| Free-lunch eligible | 10.8% | ▼ 64% | 29.6% | 51.7% |
| Enrollment | 812 | top 15% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
17.7:1
Leaner classes than 26% of US schools, heavier class loads than most.
812
Bigger than 86% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
10.8%
free-lunch eligible
- 64% below the New Jersey average of 29.6%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
17.7:1
students per teacher
- 50% above state mean
Top 97% in New Jersey - lower ratio than 3% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
12.4%
chronically absent (missed 10%+ of school days)
In the 10-15% range, above the pre-pandemic national baseline but within the broader post-pandemic picture.
Funding equity
$21,117
per pupil, district-wide
- below New Jersey avg of $24,984
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors1.0 FTE
Per 812 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 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
African American 40.5%
Hispanic or Latino 31.2%
White 14.0%
Asian 8.9%
Two or More 4.7%
Native Hawaiian / Pacific Islander 0.5%
American Indian / Alaska Native 0.2%
Largest group: African American at 40.5% of enrollment.
Student-body diversity index 70.9/100
Simpson diversity index - at 70.9, Hannah Caldwell Elementary is more mixed than the New Jersey school average of 51.2.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Township of Union School District, which includes Hannah Caldwell Elementary.
$21,117
Per student
-15%
vs New Jersey
Avg $24,984
+27%
vs U.S.
Avg $16,593
Revenue mix
Local 52.7%
State 38.9%
Federal 8.4%
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 Hannah Caldwell Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Union High School | Larger | Higher economic need | Lower S:T ratio |
| Burnet Middle School | Similar size | Higher economic need | Lower S:T ratio |
| Kawameeh Middle School | Similar size | Higher economic need | Lower S:T ratio |
| Washington Elementary | Smaller | Similar economic need | Lower S:T ratio |
| Jefferson Elementary | Smaller | Higher economic need | Lower S:T ratio |
Comparisons are relative to Hannah Caldwell Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,410
- Students per teacher
- 14.5:1
- Resource Index
- 46/100
- Enrollment
- 970
- Students per teacher
- 12.6:1
- Resource Index
- 55/100
- Enrollment
- 729
- Students per teacher
- 12.4:1
- Resource Index
- 61/100
- Enrollment
- 578
- Students per teacher
- 14.8:1
- Resource Index
- 48/100
- Enrollment
- 564
- Students per teacher
- 13.8:1
- Resource Index
- 41/100
Similar other schools statewide
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.
Similar enrollment (~812 students)
Next steps
Verify locally before acting on Hannah Caldwell Elementary's federal record.
- Compare Hannah Caldwell Elementary against another school. Compare schools
- Township of Union 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 Hannah Caldwell Elementary
How many students attend Hannah Caldwell Elementary?
Hannah Caldwell Elementary has 812 students enrolled. It is a public school in Union, NJ.
What is the student-teacher ratio at Hannah Caldwell Elementary?
The student-teacher ratio at Hannah Caldwell Elementary is 17.7:1, which is 50% higher than the New Jersey average of 11.8:1 and 13% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Hannah Caldwell Elementary?
10.8% of students at Hannah Caldwell Elementary are eligible for free lunch, compared to the New Jersey average of 29.6%.
What is the racial and ethnic makeup of Hannah Caldwell Elementary?
The largest demographic group at Hannah Caldwell Elementary is African American at 40.5% of enrollment, in Union, NJ. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 70.9/100.
What is the Resource Investment Index for Hannah Caldwell Elementary?
Hannah Caldwell Elementary has a Resource Investment Index of 42/100 (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).
How does Hannah Caldwell Elementary rank among schools in Union?
By Resource Investment Index, Hannah Caldwell Elementary ranks #6 of 6 schools in Union, NJ. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Union on the city page.
Is Hannah Caldwell Elementary a good school?
Hannah Caldwell Elementary earns 42/100 on the Resource Investment Index, with class sizes larger than 97% 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.
What other schools are in Township of Union School District?
Besides Hannah Caldwell Elementary, Township of Union School District also operates Union High School (2,410 students), Burnet Middle School (970 students), and Kawameeh Middle School (729 students). See the Township of Union 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.