- Enrollment
- 200
- Students per teacher
- 5.9:1
- Resource Index
- 67/100
Elementary school (grades K-5) · Hamilton, NJ
Mercer Elementary School
Federal NCES profile for Mercer Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 67/100.
2024-25 NCES dataElementary school (grades K-5)NCES 348020006119
👥 S:T ratio 78
🌟 Gifted program 30
🎓 Counselors 93
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Mercer Elementary School earns 67/100 on the Resource Investment Index, with class sizes smaller than 98% of New Jersey schools.
- #1 of 3
- public schools in Hamilton · Resource Index
- 67
- Resource Index · Higher
- 5.6:1
- small classes for New Jersey
- 46.6%
- free-lunch eligible
Mercer Elementary School has class sizes smaller than 98% of New Jersey schools. Computed live against every New Jersey school reporting to NCES.
By Resource Investment Index, Mercer Elementary School ranks #1 of 3 public schools in Hamilton, NJ.
School address
NCES ID 348020006119 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-1 students YoY
Mercer Elementary School held near 145 students from 2022-23 to 2023-24 (-1 headcount).
Teacher FTE lost 25.0 → 22.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-1 students YoY 348020006119 · Hamilton, NJ Elementary · SMALL · TRAD
141 enr · 5.6:1 · 46.6% lunch · RII 67
Nearest enrollment peer: Mercer High School (200 students)
Mercer Elementary School held near 145 students from 2022-23 to 2023-24 (-1 headcount). Teacher FTE lost 25.0 → 22.0 across the same CCD years. Read with this school → · District book → · New Jersey schools → · Find another →
Mercer Elementary School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Mercer High Sc
Mercer High School
200 students
- This school
Mercer Elementary School
141 students
- Joseph F. Capp
Joseph F. Cappello School
97 students
- Regional Day S 1
Regional Day School
1 students
What this shows Mercer Elementary School reports 141 students on the CCD universe file.
How Mercer Elementary School compares
Mercer Elementary School held steady on CCD headcount: 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 | 5.6:1 | ▼ 53% | 11.8:1 | 15.7:1 |
| Free-lunch eligible | 46.6% | ▲ 57% | 29.6% | 51.7% |
| Enrollment | 141 | top 93% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
5.6:1
Leaner classes than 98% of US schools, among the more generously staffed nationally.
141
Bigger than 14% of US schools by enrollment, a small campus.
Equity indicators methodology
Economic need
46.6%
free-lunch eligible
- 57% above the New Jersey average of 29.6%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
5.6:1
students per teacher
- 53% below state mean
Top 2% in New Jersey - lower ratio than 98% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Support staff
Counselors4.0 FTE
Per 35 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 2 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 1.4 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
African American 44.0%
Hispanic or Latino 29.1%
White 14.9%
Asian 9.2%
Two or More 2.8%
Largest group: African American at 44.0% of enrollment.
Student-body diversity index 69.0/100
Simpson diversity index - at 69.0, Mercer Elementary School is more mixed than the New Jersey school average of 51.2.
Programs
How Mercer Elementary School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Mercer High School | Larger | Similar economic need | Similar S:T ratio |
| Joseph F. Cappello School | Smaller | Lower economic need | Similar S:T ratio |
| Regional Day School | Smaller | No free-lunch data | No ratio data |
Comparisons are relative to Mercer Elementary School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 97
- Students per teacher
- 6.1:1
- Resource Index
- 65/100
- Enrollment
- 1
- Students per teacher
- -
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 (~141 students)
Frequently asked questions about Mercer Elementary School
How many students attend Mercer Elementary School?
Mercer Elementary School has 141 students enrolled. It is an elementary school in Hamilton, NJ. CCD year-over-year: 146 (2022-23) → 145 (2023-24), nearly flat (-1).
What is the student-teacher ratio at Mercer Elementary School?
The student-teacher ratio at Mercer Elementary School is 5.6:1, which is 53% lower than the New Jersey average of 11.8:1 and 64% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Mercer Elementary School?
46.6% of students at Mercer Elementary School are eligible for free lunch, compared to the New Jersey average of 29.6%.
What is the racial and ethnic makeup of Mercer Elementary School?
The largest demographic group at Mercer Elementary School is African American at 44.0% of enrollment, in Hamilton, NJ. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 69.0/100.
What is the Resource Investment Index for Mercer Elementary School?
Mercer Elementary School has a Resource Investment Index of 67/100 (higher reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, gifted-program reporting, counselor availability. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Mercer Elementary School rank among public schools in Hamilton?
By Resource Investment Index, Mercer Elementary School ranks #1 of 3 public schools in Hamilton, NJ. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Hamilton on the city page.
What other schools are in Mercer County Special Services School District?
Besides Mercer Elementary School, Mercer County Special Services School District also operates Mercer High School (200 students), Joseph F. Cappello School (97 students), and Regional Day School (1 students). See the Mercer County Special Services School District district page for the complete list.