A- Top 29%

Millis Middle School

Grades 06-08 MILLIS, MA

Improved 1 spots from last year

#102 State Rank
C+ District Grade
245 Plain Street, MILLIS, MA 02054
MCAS scores from 2025 Data updated December 2025
267 Students
93.7% Attendance Rate
49.2 Composite Score

MCAS Test Scores

Massachusetts Comprehensive Assessment System results

CIV

55% Proficient or Above
16% Advanced

English Language Arts

58% Proficient or Above
11% Advanced

Mathematics

52.3% Proficient or Above
4.7% Advanced

Science

49% Proficient or Above
4% Advanced

Score Trends

Year Subject Grade Proficient+ Advanced
2025 CIV 08 55% 16%
2025 English Language Arts 06 62% 9%
2025 English Language Arts 07 52% 5%
2025 English Language Arts 08 60% 19%
2025 Mathematics 06 68% 5%
2025 Mathematics 07 36% 4%
2025 Mathematics 08 53% 5%
2025 Science 08 49% 4%
2024 English Language Arts 06 44% 13%
2024 English Language Arts 07 55% 10%
2024 English Language Arts 08 47% 6%
2024 Mathematics 06 47% 3%
2024 Mathematics 07 55% 7%
2024 Mathematics 08 58% 4%
2024 Science 08 38% 3%

MCAS is administered annually to students in grades 3-8 and 10. Scores reflect the percentage of students meeting or exceeding grade-level expectations.

Student Demographics

267 students enrolled

Race/Ethnicity

White 81.6%
Hispanic 8.6%
Multiracial 5.2%
Asian 1.9%
Black 1.5%

Gender

44.9% Male
55.1% Female

Student Programs

English Learners 1.5%
Special Education 16.9%
Free/Reduced Lunch 18%

School Performance

Key metrics and program information

Attendance

93.7% Attendance Rate
12.1% Chronic Absence

Staffing

Location

245 Plain Street, MILLIS, MA

A--Rated School

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Part of Millis School District

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Frequently Asked Questions

What is Millis Middle School's grade rating?

Millis Middle School has earned a grade of A-, ranked #102 in Massachusetts, placing it in the top 29% of Massachusetts Middle schools. This rating is based on 2025 MCAS test scores, attendance rates, and other performance metrics from the Massachusetts Department of Elementary and Secondary Education.

How many students attend Millis Middle School?

Approximately 267 students are enrolled at Millis Middle School.

How does Millis Middle School perform on MCAS tests?

Based on the most recent MCAS results, Millis Middle School's proficiency rates are: CIV (55% proficient), English Language Arts (58% proficient), Mathematics (52% proficient). MCAS (Massachusetts Comprehensive Assessment System) tests measure student achievement in English Language Arts, Mathematics, and Science.

What is the attendance rate at Millis Middle School?

Millis Middle School has an attendance rate of 93.7%. Strong attendance is correlated with better academic outcomes.

What school district is Millis Middle School part of?

Millis Middle School is part of Millis School District. For enrollment information, contact the district office or visit the school's website. Enrollment typically requires proof of residency within the district boundaries.

How are Massachusetts school ratings calculated?

School ratings are calculated using multiple data points from the Massachusetts Department of Elementary and Secondary Education (DESE), including MCAS test scores (proficiency and growth), attendance rates, graduation rates (for high schools), and student-teacher ratios. Schools are ranked by percentile against similar schools statewide.