Summary:
ZIP code 01862 in Billerica, Massachusetts contains two elementary schools — Hajjar Elementary and Frederick J Dutile — both in the Billerica district, both serving grades K–4, and together enrolling 711 students. The district as a whole ranks 175 out of 351 in Massachusetts, at the 50th percentile with 3 stars, and the two schools sit on different sides of that middle line.
For 2025–2026, Frederick J Dutile is clearly the stronger of the pair: it ranks 387 of 899 (57th percentile, 3 stars) versus Hajjar Elementary at 571 of 899 (36th percentile, 2 stars). Dutile's all-grades proficiency is 46.90% in ELA and 45.13% in math, above both district and state averages, while Hajjar's is 35.46% in ELA and 34.51% in math, below both. Dutile's advantage is concentrated in 3rd grade, where it reaches 63.16% in ELA and 49.12% in math, compared with Hajjar's 39.24% and 27.85%. Hajjar's 3rd-grade math is roughly 14 percentage points below district and state.
Two cautions apply to both schools. Both have slipped over three years: Hajjar fell from the 58th to the 36th percentile and lost a star, while Dutile fell from the 71st to the 57th percentile and from 4 stars to 3. Math declined noticeably, by 11.80 points at Hajjar and 9.34 points at Dutile. Fourth-grade ELA is a shared weakness — Hajjar 30.65% and Dutile 30.36%, below the district's 32.44% and the state's 37.43%. Student-teacher ratios are nearly identical (13.9 at Hajjar, 14.2 at Dutile), and 2020–2021 per-student spending was $18,669 at Hajjar and $18,281 at Dutile. Free/reduced lunch percentages were not reported for either school, so socioeconomic context is unknown.
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