Summary:
ZIP code 02090 — Westwood, Massachusetts — is home to just one high school, Westwood High, which serves grades 9 through 12 and enrolls 837 students at 200 Nahatan Street.
Westwood High is a top performer statewide. In 2025–2026 it ranked 27th of 353 Massachusetts high schools — the 92nd percentile — with 5 stars, up from 47th of 348 (86th percentile, 4 stars) in 2023–2024. The Westwood district ranks 13th of 351 districts, at the 96th percentile with 5 stars. MCAS Next Generation proficiency sits far above state averages: in 2025–2026, 10th graders reached 79.9% proficient in English language arts versus 45.48% statewide, 81.28% in math versus 43.73%, 70.3% in science versus 40.5%, and 65.52% in Biology versus 37.68%. Because the district has only one high school, school and district results are nearly identical, within about 0.1 to 0.6 points.
Year over year, 10th-grade ELA rose from 77.58% to 79.9% and math from 77.13% to 81.28%, while science fell from 77.98% to 70.3% — still almost 30 points above the state and the clearest area to watch. Biology figures aren't directly comparable year to year because the reported grade scope changed. Graduation is 98.6% and dropout is 1.0% for 2024–2025. The student-teacher ratio is 11:1, and per-student spending was $19,514 in 2020–2021. Free/reduced lunch data is not reported, so no socioeconomic breakdown is available.
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