Summary:
Billerica has one public high school, Billerica Memorial High School, which serves grades 8–12 and enrolls 1,816 students — so it is the entire high-school picture for the Billerica district. Because it covers grade 8 along with the traditional high-school years, its 8th-grade MCAS results are reported alongside its 10th-grade and end-of-course results. The Billerica district ranks 175 of 351 statewide (50th percentile, 3 stars), while the school itself has held a stable spot near the 65th percentile — 123 of 353 in 2025–2026 — with 3 stars in each of the last three years.
Science is the school's clearest strength. In 2025–2026, science proficiency was 50.55% across all grades, about 9.6 points above the state's 40.98%; 10th-grade science reached 54.86% versus 40.50% statewide, and end-of-course Biology came in at 50.00% against 37.68%. English Language Arts sits modestly above the state at 42.35% versus 40.03%, and 8th-grade civics improved from 34.84% to 42.98%, moving above the state average. Mathematics is the relative weak spot: at 37.16% across all grades it trails both the district (41.69%) and the state (41.11%). Even so, that figure climbed 16.19 points in a single year, one of the largest gains in the school's data.
Completion outcomes are strong. The graduation rate is 97.4% and the dropout rate 1.6%, both better than the district's 96.2% and 1.9%. The student-teacher ratio is 14:1, and per-student spending was $17,599, though that figure dates to 2020–2021 and is older than the test and graduation data. Free/reduced-lunch information is not available in this data, so family-income context cannot be evaluated and no comparison on that basis is possible.
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