Enrollment
251
Elementary
DISTRICT 277 · STATE 405
SCHOOL COMMUNITY·LAWRENCE TOWNSHIP PUBLIC SCHOOL DISTRICT·NCES 340840003164
Slackwood Elementary School
2060 PRINCETON PIKE, LAWRENCEVILLE, NJ 08648 · (609) 671-5580 · Mercer County
GRADES PK–03ELEMENTARY21-SUBURBTITLE IREGULAR SCHOOL251 STUDENTS
B
allk12 Grade
Scored higher than 63% of New Jersey public elementary schools
- B-Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- A-Beats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
- ·Three-year trend Not available for this school, so the grade uses the other parts.
Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded New Jersey public elementary schools
Student : Teacher
10.6:1
24 FTE teachers
DISTRICT 10.2:1 · STATE 11.4:1
Free / Reduced Lunch
60%
150 students
DISTRICT 35% · STATE 41%
Community
0
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Pre-K | 13 | 5% |
| Kindergarten | 50 | 20% |
| Grade 1 | 66 | 26% |
| Grade 2 | 56 | 22% |
| Grade 3 | 66 | 26% |
Student demographics
70%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 73% · STATE 71% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
School pathway
Students here typically continue to
Slackwood Elementary School→Lawrence Intermediate School→Lawrence Middle School→Lawrence High School
Based on grade levels within Lawrence Township Public School District. Attendance zones can vary; confirm enrollment with the district.
Test scores
NJSLA 2024-25 . % Meeting or Exceeding ExpectationsEnglish Language Arts
32.2%
NJ avg 53.1% . -24.1pp since 2023
Math
42.0%
NJ avg 41.6% . -1.8pp since 2023
What this means: On the NJSLA, New Jersey's statewide test, about 32 of every 100 students at this school read and write at grade level and about 42 of 100 do math at grade level. Across all New Jersey schools, those numbers are about 53 and 42. Reading and writing scores are down about 24 points since 2023, while math scores are down about 2 points.
NJSLA results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 32.2% | 42.0% |
| 2023-24 | 56.3% | 43.8% |
% Meeting or Exceeding Expectations, all students and all tested grades.
Source: NJSLA. All students, all grades. See all years and grades →
BeatsExpectations
Demographically-adjusted score · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
43.6%
composite math + reading, all grades
Predicted
33.5%
based on NJ schools with similar FRL share
Beats by
+10.1pp
above demographic expectation
What this means: About 44% of students here test proficient in math and reading, compared with the roughly 33% typical for New Jersey schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among New Jersey's top nor bottom 10%.
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →
Schools most like Slackwood Elementary School
Slackwood Elementary School's state test result (43.6% proficient) is higher than 3 of the 4 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Slackwood Elementary School this school | 251 | 59.8% | 43.6% |
| Margaret L Vetter EATONTOWN | 232 | 53.4% | 40.6% |
| Gantner Avenue School ELMWOOD PARK | 339 | 56.9% | 42.5% |
| School #16 CLIFTON | 201 | 49.3% | 46.8% |
| School #14 CLIFTON | 355 | 63.1% | 37.1% |
| Meadowbrook EATONTOWN | 212 | 53.8% | N/A |
Matched among New Jersey elementary schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where Slackwood Elementary School ranks
Among elementary schools| Measure | This school | In New Jersey | In Mercer County |
|---|---|---|---|
| State test proficiency ranked highest first | 43.6% | #667 of 1,290 | #23 of 56 |
| Math proficiency ranked highest first | 42.0% | #745 of 1,319 ▼ 62 | #26 of 56 ▼ 3 |
| Reading proficiency ranked highest first | 32.2% | #1,070 of 1,319 ▼ 509 | #36 of 56 ▼ 20 |
| Enrollment ranked largest first | 251 | #1,285 of 1,562 | #53 of 60 |
| Students per teacher ranked fewest first | 10.6:1 | #503 of 1,390 | #18 of 57 |
| Diversity index ranked most diverse first | 70.3% | #142 of 1,392 | #7 of 57 |
| Free and reduced lunch ranked highest share first | 59.8% | #464 of 1,481 | #26 of 58 |
| Enrollment change since 2017-18 ranked steepest decline first | -6.0% | #576 of 798 | #23 of 30 |
Ranked against other public elementary schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
251
+32 (+15%) vs 2020
-13% since 1990-91, when it was 288
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 251 | 23.8 | 10.6:1 | 60% (150) |
| 2023-24 | 246 | 23.8 | 10.4:1 | 50% (122) |
| 2022-23 | 238 | 22.8 | 10.5:1 | 49% (116) |
| 2020-21 | 219 | N/A | N/A | 48% (105) |
| 2017-18 | 267 | 24.5 | 10.9:1 | 44% (118) |
| 2015-16 | 266 | 23 | 11.6:1 | 41% (110) |
| 2010-11 | 258 | 19 | 13.6:1 | 37% (96) |
| 2000-01 | 266 | 22 | 12.1:1 | 20% (53) |
| 1990-91 | 288 | 18 | 16.0:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Slackwood Elementary School.
Since 2017-18: students down 6% (267 to 251); teachers down 3% (24.5 to 23.8).
About Slackwood Elementary School
Located in LAWRENCEVILLE, New Jersey, Slackwood Elementary School is a small elementary school. Its enrollment is 251 students, spread over pre-K through 3. Elementary schools in New Jersey average about 405 students, which makes this school 38% below average.
The Lawrence Township Public School District system has 7 schools and 3,690 students.
Hispanic students account for 37% of enrollment at Slackwood Elementary School, more than any other group. Other students are 35% White, 15% Asian, and 11% Black. By comparison, Mercer County residents are about 23% Hispanic. Measured by the diversity index, the student body scores 70%.
There are about 10.6 students for every full-time-equivalent teacher at Slackwood Elementary School, which has 23.8. The school's 10.6:1 compares with an average of 11.4:1 for elementary schools in New Jersey. Eligibility for free or reduced-price lunch stands at 60%. That rate is above the 48% average among public schools in Mercer County.
On the allk12 Grade, Slackwood Elementary School lands at B, ahead of 63% of New Jersey public elementary schools.
A school with Slackwood Elementary School's lunch-eligibility share in New Jersey is predicted to score 33.5%. Slackwood Elementary School scores 43.6%, 10.1 points above that line.
The county, Mercer County, is where the school is located. The median household earns about $100,645 a year, 45% of adults hold a bachelor's degree or higher, and about 7% of residents live below the federal poverty line. Counting Slackwood Elementary School, Mercer County has 110 public schools.
Slackwood Elementary School's nearest public school is Dr. Crosby Copeland Jr Elementary (about 0.7 miles). The count of other public schools within five miles is at least 8. Ranked by average proficiency, Slackwood Elementary School places 3rd out of 9 schools in its immediate area.
The school's setting, by NCES definition, is Suburb: Large: in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.
Enrollment in 2024-25 stood at 251, compared with 219 in 2020-21.
On allk12, people connected to Slackwood Elementary School can post about pickup and drop-off, after-school programs, and teacher feedback. Members of the school community can share what they know.
Mercer County at a glance
View full county profilePopulation
385,864
Census ACS
Median income
$100,645
Household, ACS
Bachelor's+
45%
Adults 25+
Poverty rate
7%
Below federal line
Schools in county
110
58,647 students
Quick facts
Related schools
Other schools in Lawrence Township Public School District
- Lawrence High SchoolHigh · 1,225 students
- Lawrence Intermediate SchoolMiddle · 775 students
- Lawrence Middle SchoolMiddle · 584 students
- Ben Franklin ElementaryElementary · 342 students
- Lawrenceville Elementary SchoolElementary · 301 students
- Eldridge Park SchoolElementary · 212 students
Other schools in LAWRENCEVILLE
- Lawrence High SchoolHigh · 1,225 students
- Lawrence Intermediate SchoolMiddle · 775 students
- Lawrence Middle SchoolMiddle · 584 students
- Ben Franklin ElementaryElementary · 342 students
- Lawrenceville Elementary SchoolElementary · 301 students
- Eldridge Park SchoolElementary · 212 students
Nearby schools
- Dr. Crosby Copeland Jr Elementary0.7 mi · 353
- Eldridge Park School0.8 mi · 212
- Lawrence Middle School0.9 mi · 584
- Paul Robeson Charter School for the Humanities1.0 mi · 545
- Lawrence High School1.1 mi · 1,225
- Darlene C. McKnight Elementary1.1 mi · 350
Frequently asked questions
About Slackwood Elementary SchoolWhat is the total enrollment at Slackwood Elementary School?
Slackwood Elementary School enrolls approximately 251 students in grades PK-03.
What age range does Slackwood Elementary School serve?
Slackwood Elementary School serves students from grade PK through grade 03.
What is the student-teacher ratio at Slackwood Elementary School?
The student-to-teacher ratio at Slackwood Elementary School is approximately 10.6:1 (24 FTE teachers).
How diverse is Slackwood Elementary School?
Slackwood Elementary School reports a student body of 35% White, 37% Hispanic, 11% Black, 15% Asian, 2% Two or more.
What district is Slackwood Elementary School in?
Slackwood Elementary School is part of Lawrence Township Public School District.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.