Summary
Medfield Senior High is a grades 9–12 public high school serving 704 students in Medfield, MA, part of the Medfield district. In 2025–2026 it ranked 7th of 353 high schools in Massachusetts — the top 2% of the state and its best position in the available history, up from 25th in each of the two prior years.
Academically, results are strong across every subject. On the 2025–2026 MCAS Next Generation tests, 79.58% of 10th graders were proficient in English language arts, 81.48% in math, 89.73% in science, and 89.07% in Biology End of Course — all far above statewide figures of 45.48%, 43.73%, 40.5%, and 37.68%. Science and biology are the clearest standouts: Medfield's scores in those two areas are the highest among nearby high schools, well ahead of Needham High, Westwood High, Holliston High, and Natick High, whose science scores sit closer to 70–73%. In ELA and math, Medfield is strong but not the local leader — Dover-Sherborn Regional High and Needham score higher, and Westwood and Holliston are close in math. Among nearby schools, only Dover-Sherborn ranks higher overall.
The school's results are also notably consistent across student groups: it ranks in the 96th percentile statewide for special education students and the 94th percentile for low-income students, indicating broad effectiveness rather than strength in a single population. Medfield reports a 97.8% graduation rate and a 1.1% dropout rate for 2024–2025 — very good, though a few neighbors post similar or slightly better numbers. Notably, it achieves these outcomes with a student–teacher ratio of 12.7, higher than most nearby high schools, and per-student spending of $18,139, which is middle of the pack locally. One data gap for parents: free/reduced-price lunch percentages are not available in this dataset, so economic context can't be compared with neighboring districts.
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