High Schools in Watertown

Watertown is home to a single public high school: Watertown High, which serves grades 9–12 and enrolls 761 students. Because there is only one high school in the area, there are no local school-to-school comparisons to make — instead, the most useful context comes from how the school compares with its district and with Massachusetts as a whole. Watertown High is rated 3 stars and ranked 135th out of 353 high schools in 2025–2026, placing it in the 62nd percentile. The Watertown district is ranked 110th out of 351 districts, in the 69th percentile. The school reports an 11:1 student-teacher ratio and per-student spending of $23,661 in 2020–2021; the free/reduced-lunch percentage is not reported, so socioeconomic context is limited.

Watertown High's clearest strengths are in English Language Arts and its overall trajectory. Tenth-grade ELA proficiency was 52.47% in 2025–2026 — essentially unchanged from 52.38% the year before — while the state rate fell to 45.48%, widening the school's advantage to nearly 7 percentage points. Math proficiency of 47.13% and Physics proficiency of 49.07% also came in above state levels (43.73% and 46.58%). The school's graduation rate of 89.7% exceeds the district's 87.6%, and its ranking climbed from 188th of 348 with 2 stars in 2023–2024 to 127th of 349 with 3 stars in 2024–2025 before a minor slip to 135th of 353.

There are also real concerns. Biology proficiency is far below the state: 6.67% versus 37.68% in 2025–2026, and 0% versus 39.02% in 2024–2025. Science proficiency dropped to 37.84%, below the state's 40.50%. Math fell 11.41 percentage points year over year, from 58.54%, and the dropout rate of 7.9% is slightly above the district's 7.7%. Overall, this is a slightly above-average school with strong ELA, solid resources, and uneven science and math results.