Summary:
Schools in Millis, Massachusetts make up a small PK–12 district of three schools — Clyde F Brown Elementary, Millis Middle, and Millis High School — serving about 1,156 students in total, with the Millis district ranked 127th of 351 districts in the state (64th percentile, 3 stars).
Millis Middle is the academic standout, earning 4 stars in each of the last three years and ranking in the top quartile of Massachusetts middle schools (75th percentile in 2025–2026). Its proficiency rates beat both the district and the state in ELA (55.67% vs 40.03% state) and math (49.47% vs 41.11%), and its 8th-grade civics result — 63.44% proficient against a state rate of 39.77% — is striking. Millis High School posts strong completion outcomes (98.7% graduation rate, 1.3% dropout rate) and the lowest student-teacher ratio at 10.6, with 10th-grade ELA and math above state levels and a Biology EOC result of 56.52% vs 37.68% statewide. However, 10th-grade science is slightly below the state (39.29% vs 40.5%), and 10th-grade proficiency dropped sharply from the prior year, with the school's rank falling from the 84th–85th percentile to the 68th. Clyde F Brown is the largest school at 603 students and has the highest student-teacher ratio (14.6), with a mixed profile: science (46.34%) and math (42.45%) are above the state, while ELA (39.93%) trails the district by nearly 8 points.
Comparing the three, Millis Middle delivers the strongest and most consistent academics, Millis High pairs excellent completion rates with uneven recent test scores, and Clyde F Brown sits near the middle statewide — with 5th-grade ELA (32.53% vs 38.15% state) a clear area of concern. Per-student spending from 2020–2021 was highest at Millis Middle ($19,419) and lowest at Clyde F Brown ($16,962), though these older figures are context rather than explanation. Note that free/reduced-lunch data is not reported, year-over-year comparisons involve different cohorts, and scores are point-in-time proficiency rates rather than growth measures.
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