Summary:
ZIP code 01581 is home to a single public high school, Westborough High, which serves grades 9–12 with 1,213 students as part of the Westborough district.
Because it is the only high school in the area, Westborough High stands out by default — and it does so on its own merits. It earned 5 out of 5 stars in all three reported years and ranked in the top 30 of roughly 350 Massachusetts high schools each year: #29 of 353 (92nd percentile) in 2025–2026, #23 of 349 (93rd percentile) in 2024–2025, and #30 of 348 (91st percentile) in 2023–2024. Its MCAS Next Generation proficiency is far above the state. In 2025–2026, 10th-grade scores were 71.63% in English language arts, 76.07% in mathematics, and 73.61% in science, compared with state scores of 45.48%, 43.73%, and 40.50% — roughly 26–35 percentage points higher depending on subject. Averaging the three core subjects, the school reached 73.77% in 2025–2026 and 79.64% in 2024–2025, about 30.5 and 32.6 points above the state.
Westborough High's results closely mirror its district's, suggesting a district-wide pattern of strength. Graduation and dropout indicators are strong: a 96.6% graduation rate (district 95.4%) and a 1.9% dropout rate (district 1.8%). One signal to watch is a decline in 10th-grade core scores from 2024–2025 to 2025–2026 — ELA fell 10.53 points, mathematics 4.81 points, and science 2.27 points — though the school remains far above state averages, and its science advantage over the state actually widened. Context data are limited: the free/reduced-lunch percentage is not available in this record, per-student spending is from 2020–2021 only, and the student-teacher ratio of 12.7 comes without a state or district benchmark.
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