Slackwood Elementary School
School pathway
Test scores
NJSLA 2024-25 . % Meeting or Exceeding ExpectationsWhat 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.
BeatsExpectations
Demographically-adjusted score · methodologyWhat 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%.
7-year change
SY 2017-18 vs SY 2024-25About Slackwood Elementary School
Slackwood Elementary School, an intimate K-5 school in LAWRENCEVILLE, New Jersey, operated by Lawrence Township Public School District, caters to 251 students, covering grades pre-K through 3. By comparison, New Jersey's public schools average about 405 students each, so Slackwood Elementary School sits 38% leaner than that benchmark.
Slackwood Elementary School is one of 7 schools operated by Lawrence Township Public School District, a district that teaches 3,690 students overall.
On the student-mix side, Slackwood Elementary School shows that the largest single group is Hispanic at 37%, but no single group is in the majority; the rest is composed of 35% White, 15% Asian, 11% Black. That is visibly more Hispanic than the county at large, where the share is closer to 23%.
Looking at school resources, The school lists 24 full-time-equivalent teachers, for a student-teacher ratio near 10.6:1. The state averages around 11.4:1, so this campus is tighter than the state norm typical. Around 60% of the student body qualifies for free or reduced-price meals, a commonly cited indicator of low-income enrollment. Set against Mercer County (around 48%), the school's rate is somewhat above typical.
After controlling for student poverty, Slackwood Elementary School sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 33.5%; this one delivers 43.6%.
Zooming out to the county, census data for Mercer County shows the typical household earns roughly $100,645 per year, about 45% of the adult population holds a bachelor's degree or above, and census figures put the poverty rate at about 7%. Slackwood Elementary School is one of 110 public schools in Mercer County (combined enrollment of about 58,647 students).
Nearest neighbor: Dr. Crosby Copeland Jr Elementary, around 0.7 miles off. Counting just inside five miles, 8 other public schools cluster around Slackwood Elementary School. Among the 9 schools in that immediate cluster with test data (this one included), Slackwood Elementary School ranks 3rd on composite proficiency, higher than the local average of 28.5%.
The campus sits in a residential setting.
Five-year trend. Over the past 7-year window, the student count edged down 6%: 267 students in 2018 compared to 251 in 2025. Over the same period, the Hispanic share rose from 26% to 37%.
Within the allk12 community for this school, posts here usually surface around sports schedules, lunch menu changes, and school spirit week. Contributors range from current parents to recent graduates and teachers.
Mercer County at a glance
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Related schools
- Lawrence High SchoolHigh · 1,225 students
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- 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
- 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