- Enrollment
- 2,410
- Students per teacher
- 14.5:1
- Resource Index
- 46/100
Elementary school (grades K-5) · Union, NJ
Jefferson Elementary
Federal NCES profile for Jefferson Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 41/100.
2024-25 NCES dataElementary school (grades K-5)NCES 341650005750
👥 S:T ratio 45
🌟 Gifted program 70
🎓 Counselors 0
📋 Attendance 50
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Jefferson Elementary earns 41/100 on the Resource Investment Index, with class sizes larger than 84% of New Jersey schools.
- #3 of 3
- elementary schools in Union · Resource Index
- 41
- Resource Index · Typical
- 13.8:1
- large classes for New Jersey
- 26.3%
- free-lunch eligible
Jefferson Elementary has class sizes larger than 84% of New Jersey schools. Computed live against every New Jersey school reporting to NCES.
By Resource Investment Index, Jefferson Elementary ranks #3 of 3 elementary schools in Union, NJ.
School address
District: Township of Union School District · New Jersey
NCES ID 341650005750 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+41 students YoY
Jefferson Elementary grew from 528 students in 2022-23 to 569 in 2023-24 (+7.8%).
Teacher FTE lost 41.0 → 40.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Growing CCD campus
+41 students YoY 341650005750 · Union, NJ Elementary · MID · TRAD
564 enr · 13.8:1 · 26.3% lunch · RII 41
Nearest enrollment peer: Union High School (2,410 students)
Jefferson Elementary grew from 528 students in 2022-23 to 569 in 2023-24 (+7.8%). Teacher FTE lost 41.0 → 40.0 across the same CCD years. Read with this school → · District book → · New Jersey schools → · Find another →
Jefferson Elementary in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Union High Sch
Union High School
2,410 students
- Burnet Middle
Burnet Middle School
970 students
- Hannah Caldwel 812
Hannah Caldwell Elementary
812 students
- Kawameeh Middl 729
Kawameeh Middle School
729 students
- Washington Ele 578
Washington Elementary
578 students
- This school 564
Jefferson Elementary
564 students
What this shows Jefferson Elementary reports 564 students on the CCD universe file.
How Jefferson Elementary compares
Jefferson Elementary is a growing campus on CCD: ratios and free-lunch share vs New Jersey and U.S. means.
| Metric | This school | vs New Jersey | New Jersey avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 13.8:1 | ▲ 17% | 11.8:1 | 15.7:1 |
| Free-lunch eligible | 26.3% | ▼ 11% | 29.6% | 51.7% |
| Enrollment | 564 | top 32% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
13.8:1
Leaner classes than 59% of US schools, a middle-of-the-pack class size.
564
Bigger than 69% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
26.3%
free-lunch eligible
- 11% 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
13.8:1
students per teacher
- 17% above state mean
Top 84% in New Jersey - lower ratio than 16% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
20.2%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$21,333
per pupil, district-wide
- below New Jersey avg of $26,225
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors1.0 FTE
Per 564 students, the combined health-and-guidance staffing load for this school.
Discipline context
1
in-school suspensions + 25 out-of-school
Suspension rate: 0.2 per 100 students. Combined in-school and out-of-school rate: 4.6 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
African American 43.1%
Hispanic or Latino 29.1%
White 16.5%
Asian 7.4%
Two or More 3.4%
Native Hawaiian / Pacific Islander 0.4%
American Indian / Alaska Native 0.2%
Largest group: African American at 43.1% of enrollment.
Student-body diversity index 69.6/100
Simpson diversity index - at 69.6, Jefferson Elementary is more mixed than the New Jersey school average of 51.2.
Programs
Gifted & talented Yes
District finance for Township of Union School District reports $21,333 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Jefferson Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Union High School | Larger | Similar economic need | Similar S:T ratio |
| Burnet Middle School | Larger | Similar economic need | Similar S:T ratio |
| Hannah Caldwell Elementary | Larger | Lower economic need | Higher S:T ratio |
| Kawameeh Middle School | Larger | Similar economic need | Similar S:T ratio |
| Washington Elementary | Similar size | Lower economic need | Similar S:T ratio |
Comparisons are relative to Jefferson Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 970
- Students per teacher
- 12.6:1
- Resource Index
- 55/100
- Enrollment
- 812
- Students per teacher
- 17.7:1
- Resource Index
- 42/100
- Enrollment
- 729
- Students per teacher
- 12.4:1
- Resource Index
- 61/100
- Enrollment
- 578
- Students per teacher
- 14.8:1
- Resource Index
- 48/100
Nationwide elementary schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~564 students)
Frequently asked questions about Jefferson Elementary
How many students attend Jefferson Elementary?
Jefferson Elementary has 564 students enrolled. It is an elementary school in Union, NJ. CCD year-over-year: 528 (2022-23) → 569 (2023-24), up 41.
What is the student-teacher ratio at Jefferson Elementary?
The student-teacher ratio at Jefferson Elementary is 13.8:1, which is 17% higher than the New Jersey average of 11.8:1 and 12% lower than the national average of 15.7:1.
What percentage of students receive free lunch at Jefferson Elementary?
26.3% of students at Jefferson Elementary are eligible for free lunch, compared to the New Jersey average of 29.6%.
What is the racial and ethnic makeup of Jefferson Elementary?
The largest demographic group at Jefferson Elementary is African American at 43.1% of enrollment, in Union, NJ. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 69.6/100.
What is the Resource Investment Index for Jefferson Elementary?
Jefferson Elementary has a Resource Investment Index of 41/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Jefferson Elementary rank among elementary schools in Union?
By Resource Investment Index, Jefferson Elementary ranks #3 of 3 elementary 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 elementary schools in Union on the city page.
What other schools are in Township of Union School District?
Besides Jefferson Elementary, Township of Union School District also operates Union High School (2,410 students), Burnet Middle School (970 students), and Hannah Caldwell Elementary (812 students). See the Township of Union School District district page for the complete list.