Stewartsville Middle School
Test scores
NJSLA 2024-25 . % Meeting or Exceeding ExpectationsWhat this means: On the NJSLA, New Jersey's statewide test, about 80 of every 100 students at this school read and write at grade level and about 58 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 11 points since 2023, while math scores are up about 6 points.
BeatsExpectations
Demographically-adjusted score · methodologyWhat this means: About 58% of students here test proficient in math and reading, compared with the roughly 60% 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 Stewartsville Middle School
Stewartsville Middle School is a minimally staffed intermediate school in STEWARTSVILLE, New Jersey, operated by Greenwich Township School District. The school enrolls 210 students in grades 6 through 8. Compared to the state average of about 578 students per school, that is 64% leaner than typical.
Greenwich Township School District runs 5 schools in total, collectively educating 1,119 students. Stewartsville Middle School is one of those campuses.
On demographics, Stewartsville Middle School shows that 63% of the student body identifies as White. Beyond that, the school shows 13% Hispanic, 13% Black, 7% Asian, 2% multiracial. The wider county runs roughly 77% White, putting the school's mix noticeably less White than the area baseline.
Looking at school resources, The school currently runs with 25 full-time-equivalent teachers, for a student-teacher ratio near 8.6:1. That figure is tighter than the state norm's 10.9:1 average. An estimated 11% of students are eligible for free or reduced-price lunch, a commonly cited indicator of low-income enrollment. That share is below Warren County's rate of about 36%.
Adjusting for the school's free-and-reduced-lunch share, Stewartsville Middle School performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 60.2%, the actual is 58.1%, a residual of -2.0 points.
Across the wider county, ACS estimates for Warren County put median household income runs about $100,869, roughly 37% of adults have completed at least a four-year degree, and roughly 6% of residents live below the federal poverty line. In all, Warren County runs 41 public schools (combined enrollment of about 15,462 students), of which Stewartsville Middle School is one.
The closest other public school is Greenwich School, roughly 0.8 miles away. 8 of the 8 nearest public schools sit inside a five-mile radius. Among the 7 schools in that immediate cluster with test data (this one included), Stewartsville Middle School ranks 1st on composite proficiency, above the local average of 44.4%.
The school occupies a low-density site.
Looking at the recent track record. Over the past 7-year window, the student count edged down 22%: 268 students in 2018 compared to 210 in 2025. Over the same period, the White share edged down from 71% to 63%. Class-load math has fell: from 14.9:1 in 2018 to 8.6:1 in 2025.
Inside the community feed, members of the Stewartsville Middle School community share and discuss open house dates, ride-share offers, and field-trip permission slips. Contributors range from current parents to recent graduates and teachers.
Warren County at a glance
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