Millis High School reported an enrollment of 284 students for the 2025-26 school year, the Massachusetts Department of Elementary and Secondary Education reported.
This total reflects a 0.7% decline from the prior school year, when 286 students attended the school.
In the 2025-26 school year, 54.2% of enrolled students identified as girls, 45.4% as boys, while 0.4% identified with a non-binary gender identity.
The data indicated that white students made up the majority, accounting for 82.4% of Millis High School’s enrollment.
The school is part of the Millis Public Schools District, which has its central office located in Millis.
Across Massachusetts, student enrollment reached 900,487 in the 2025-26 school year.
Massachusetts is ranked sixth nationwide for per-pupil spending, at nearly $25,000 per student, based on a 2026 report from the Education Data Initiative.
A 2026 WalletHub analysis listed Massachusetts’ education system as the top in the country, considering student performance, class sizes, funding, school safety, and teacher qualifications.
| School | Total Enrollment |
|---|---|
| Clyde F. Brown School | 597 |
| Millis High School | 284 |
| Millis Middle School | 285 |
| TIES | 3 |
| Millis Public Schools | 1,169 |
Information in this article was sourced from the Massachusetts Department of Elementary and Secondary Education. To access the original data, click here.








