Jefferson Elementary School
School pathway
Test scores
NJSLA 2024-25 . % Meeting or Exceeding ExpectationsWhat this means: On the NJSLA, New Jersey's statewide test, about 57 of every 100 students at this school read and write at grade level and about 52 of 100 do math at grade level. Across all New Jersey schools, those numbers are about 53 and 42. Reading and writing scores are up about 5 points since 2023, while math scores are up about 6 points.
BeatsExpectations
Demographically-adjusted score · methodologyWhat this means: About 52% of students here test proficient in math and reading, compared with the roughly 57% 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 Jefferson Elementary School
Jefferson Elementary School is an elementary-level community of mid-sized scale in SUCCASUNNA, New Jersey, run under Roxbury Township School District, serveing 346 students in grades pre-K through 4.
Jefferson Elementary School is one of 7 schools operated by Roxbury Township School District, a district that hosts 3,359 students overall.
On the student-mix side, Jefferson Elementary School shows that the largest single group is White, at 65% of enrollment; the rest looks like 19% Hispanic, 8% Asian, 5% Black, 3% multiracial. That composition is broadly in line with Morris County as a whole.
On the resource side, The school employs 30 full-time-equivalent teachers, for a student-teacher ratio near 11.6:1. The state averages about 11.4:1, putting this campus right in line with peers. Around 16% of the student body qualifies for free or reduced-price meals, which schools and policymakers use as a rough income-mix signal.
After controlling for student poverty, Jefferson Elementary School performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 57.3%, the actual is 51.7%, a residual of -5.6 points.
In the area at large, ACS estimates for Morris County put the typical household earns roughly $137,326 per year, roughly 58% of adults have completed at least a four-year degree, and roughly 3% of residents live below the federal poverty line. Across Morris County's 156 public schools (combined enrollment of about 72,239 students), Jefferson Elementary School is one campus in the mix.
Kennedy Elementary School is the nearest neighboring public school, about 0.9 miles from this campus. Within five miles, there are 8 other public schools. Among the 9 schools in that immediate cluster with test data (this one included), Jefferson Elementary School ranks 3rd on composite proficiency, above the local average of 45.3%.
Jefferson Elementary School operates from a suburban location.
Over the past 7-year window. Over the past 7-year window, the student count stayed largely flat: 349 students in 2018 compared to 346 in 2025. Hispanic enrollment moved from 14% to 19% across the same window.
On allk12, the page collects discussion, questions, and updates around school events, parent volunteer needs, and clubs. Parents, students, alumni, and staff are welcome to weigh in.
Morris County at a glance
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