Summary:
Clinton, Massachusetts has just one public high school — Clinton Senior High — which serves grades 9–12 with an enrollment of 582 students at 200 West Boylston Street and belongs to the Clinton school district. Because there is only one high school in the city, the most useful comparisons for parents are between this school, its district, and the state of Massachusetts, along with how it has changed from year to year.
The school's trajectory is upward. In 2025–2026 it ranked 236th of 353 schools, placing it in the 33rd percentile with 2 stars, an improvement from 267th of 349 (23rd percentile, 1 star) in 2024–2025 and 256th of 348 in 2023–2024. In 2025–2026, Clinton Senior High outperformed the district average in every reported MCAS subject: English Language Arts at 34.81% proficient versus 34.29%, Mathematics at 33.58% versus 32.61%, Science at 26.77% versus 26.15%, and Biology at 22.61% versus 21.14%. At the same time, it remained below the state average in every subject, with gaps of roughly 10 percentage points in ELA and Math and more than 15 percentage points in Biology.
Other indicators are more encouraging than test proficiency alone suggests. The graduation rate was 92.8%, above the district's 90.0%, and the dropout rate was 2.4%, close to the district's 2.3%. The clearest academic gain came in 10th-grade Mathematics, which rose from 27.13% to 33.58% in a single year — a 6.45 percentage point jump — narrowing the gap to the state from 17.47 to 10.15 points. ELA and Science also improved slightly while state averages declined. Science and Biology remain the weakest areas relative to the state. The student-teacher ratio is 12.7, per-student spending was $15,903 in 2020–2021, and free/reduced lunch data is not reported, so the student body's economic context is unknown.
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