Summary:
Zip code 07875 has one elementary school, Stillwater Township School, serving pre-K through grade 6 and enrolling 296 students. Its latest state test results cover grades 3–6 in English language arts (ELA) and math, plus grade 5 science. The most important finding for families is that the school’s average results remain above the state in ELA and math, but its advantages have narrowed.
With no other local school to compare, Stillwater Township School is both the area’s top and bottom school. Its strongest latest result was fourth-grade math: 71% proficient, 25 percentage points above the state. Its clearest shortfall was third-grade math: 35% proficient, 14 points below the state; fifth-grade science was also below, by 5 points. ELA was above the state in all four tested grades, and fifth- and sixth-grade math were above as well. These differences show why the schoolwide averages do not tell the whole story: results vary considerably by grade and subject.
The school’s lead over the state shrank in both core subjects. Its average ELA result fell from 71% in 2024–2025 to 60% in 2025–2026, while its average math result moved from 58% to 54%; the state averages were 49% in both latest-year ELA and math, leaving Stillwater ahead by 11 points in ELA and 8 in math. Fifth-grade science also shifted from 3 points above the state in 2024–2025 to 5 points below in 2025–2026. SchoolDigger’s ranking moved from the 71st percentile (393 of 1,347 schools) to the 62nd percentile (508 of 1,331). For context, in 2024–2025, 15% of students were eligible for free or reduced-price lunch, the student–teacher ratio was 8.3, and chronic absenteeism was 12%, compared with 14% statewide. These measures describe the school but do not explain its score patterns.
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