Enrollment
251
New Jersey · 2024-25 NCES data
Elementary school (grades K-5) · Lawrenceville, NJ
Slackwood Elementary School
Federal NCES profile for Slackwood Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 61/100.
2024-25 NCES dataElementary school (grades K-5)NCES 340840003164
👥 S:T ratio 54
🌟 Gifted program 70
🎓 Counselors 50
📋 Attendance 70
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Slackwood Elementary School earns 61/100 on the Resource Investment Index, with class sizes near the New Jersey median.
- #3 of 3
- elementary schools in Lawrenceville · Resource Index
- 61
- Resource Index · Higher
- 11.4:1
- students per teacher
- 34.9%
- free-lunch eligible
Slackwood Elementary School has class sizes near the New Jersey median. Computed live against every New Jersey school reporting to NCES.
By Resource Investment Index, Slackwood Elementary School ranks #3 of 3 elementary schools in Lawrenceville, NJ.
School address
District: Lawrence Township Public School District · New Jersey
NCES ID 340840003164 Verify on NCES CCD record →
Teachers (FTE)
22.0
Federal CCD staff survey
Students per teacher
11.4:1
vs 11.8:1 New Jersey avg
-3% vs state
Free-lunch eligible
34.9%
vs 29.6% New Jersey avg
+18% vs state
Student-teacher ratio in context
How Slackwood Elementary School compares with New Jersey and U.S. medians
What stands out at Slackwood Elementary School
Slackwood Elementary School is a mid-sized elementary school in Lawrenceville, New Jersey, enrolling 251 students.
At 11.4:1, its student-teacher ratio sits close to the New Jersey median, within a few percentage points of the 11.8:1 state norm, neither notably crowded nor notably small.
Economic need runs somewhat above the state's typical profile, with 34.9% of students eligible for free meals.
Enrollment of 251 puts it in the smaller third of New Jersey schools by headcount.
Its Resource Investment Index lands in the upper third of 2,501 scored New Jersey schools.
Against 199 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #34.
Its student body is led by Hispanic or Latino (37%) and White (36%) (diversity index 70/100).
Counselor coverage runs a bit thin, about 251 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
12.0% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
Lawrence Township Public School District also operates Lawrence High School (1,225 students) and Lawrence Intermediate School (775 students) alongside Slackwood 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
How Slackwood Elementary School compares
Slackwood 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 | 11.4:1 | ▼ 3% | 11.8:1 | 15.7:1 |
| Free-lunch eligible | 34.9% | ▲ 18% | 29.6% | 51.7% |
| Enrollment | 251 | top 84% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
11.4:1
Leaner classes than 80% of US schools, among the more generously staffed nationally.
251
Bigger than 25% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
34.9%
free-lunch eligible
- 18% above 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
11.4:1
students per teacher
- 3% below state mean
Top 51% in New Jersey - lower ratio than 49% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
12.0%
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
$25,937
per pupil, district-wide
- above 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 251 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
Hispanic or Latino 37.1%
White 35.5%
Asian 14.7%
African American 11.2%
Two or More 1.6%
Largest group: Hispanic or Latino at 37.1% of enrollment.
Student-body diversity index 70.2/100
Simpson diversity index - at 70.2, Slackwood Elementary School is more mixed than the New Jersey school average of 51.2.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Lawrence Township Public School District, which includes Slackwood Elementary School.
$25,937
Per student
+4%
vs New Jersey
Avg $24,984
+56%
vs U.S.
Avg $16,593
Revenue mix
Local 71.2%
State 23.2%
Federal 5.6%
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 Slackwood Elementary School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Lawrence High School | Larger | Lower economic need | Similar S:T ratio |
| Lawrence Intermediate School | Larger | Lower economic need | Similar S:T ratio |
| Lawrence Middle School | Larger | Lower economic need | Similar S:T ratio |
| Ben Franklin Elementary | Larger | Lower economic need | Lower S:T ratio |
| Lawrenceville Elementary School | Similar size | Lower economic need | Lower S:T ratio |
Comparisons are relative to Slackwood Elementary School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,225
- Students per teacher
- 12.5:1
- Resource Index
- 51/100
- Enrollment
- 775
- Students per teacher
- 10.2:1
- Resource Index
- 63/100
- Enrollment
- 584
- Students per teacher
- 11.7:1
- Resource Index
- 60/100
- Enrollment
- 342
- Students per teacher
- 9:1
- Resource Index
- 60/100
- Enrollment
- 301
- Students per teacher
- 9.7:1
- Resource Index
- 62/100
Similar elementary 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 (~251 students)
Next steps
Verify locally before acting on Slackwood Elementary School's federal record.
- Compare Slackwood Elementary School against another school. Compare schools
- Lawrence Township Public 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 Slackwood Elementary School
How many students attend Slackwood Elementary School?
Slackwood Elementary School has 251 students enrolled. It is an elementary school in Lawrenceville, NJ.
What is the student-teacher ratio at Slackwood Elementary School?
The student-teacher ratio at Slackwood Elementary School is 11.4:1, which is 3% lower than the New Jersey average of 11.8:1 and 27% 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 Slackwood Elementary School?
34.9% of students at Slackwood Elementary School are eligible for free lunch, compared to the New Jersey average of 29.6%.
What is the racial and ethnic makeup of Slackwood Elementary School?
The largest demographic group at Slackwood Elementary School is Hispanic or Latino at 37.1% of enrollment, in Lawrenceville, NJ. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 70.2/100.
What is the Resource Investment Index for Slackwood Elementary School?
Slackwood Elementary School has a Resource Investment Index of 61/100 (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).
How does Slackwood Elementary School rank among elementary schools in Lawrenceville?
By Resource Investment Index, Slackwood Elementary School ranks #3 of 3 elementary schools in Lawrenceville, 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 Lawrenceville on the city page.
Is Slackwood Elementary School a good school?
Slackwood Elementary School earns 61/100 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.
What other schools are in Lawrence Township Public School District?
Besides Slackwood Elementary School, Lawrence Township Public School District also operates Lawrence High School (1,225 students), Lawrence Intermediate School (775 students), and Lawrence Middle School (584 students). See the Lawrence Township Public School District district page for the complete list.
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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.