B Top 42%

Mount Greylock Regional High School

Grades 07-12 WILLIAMSTOWN, MA

Improved 59 spots from last year

#146 State Rank
B District Grade
1781 Cold Spring Road, WILLIAMSTOWN, MA 01267
High Grad Rate 98.7%
MCAS scores from 2025 Data updated December 2025
539 Students
92.9% Attendance Rate
56.1 Composite Score

MCAS Test Scores

Massachusetts Comprehensive Assessment System results

CIV

49% Proficient or Above
9% Advanced

English Language Arts

60.3% Proficient or Above
14.7% Advanced

Mathematics

49% Proficient or Above
10.7% Advanced

Science

50% Proficient or Above
12% Advanced

Score Trends

Year Subject Grade Proficient+ Advanced
2025 CIV 08 49% 9%
2025 English Language Arts 07 63% 16%
2025 English Language Arts 08 54% 17%
2025 English Language Arts 10 64% 11%
2025 Mathematics 07 59% 11%
2025 Mathematics 08 28% 3%
2025 Mathematics 10 60% 18%
2025 Science 08 46% 8%
2025 Science 10 54% 16%
2024 English Language Arts 07 53% 11%
2024 English Language Arts 08 60% 20%
2024 English Language Arts 10 79% 40%
2024 Mathematics 07 52% 14%
2024 Mathematics 08 41% 5%
2024 Mathematics 10 65% 34%

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

539 students enrolled

Race/Ethnicity

White 84.8%
Hispanic 6.7%
Multiracial 4.6%
Black 2.4%
Asian 1.5%

Gender

50.3% Male
49% Female

Student Programs

English Learners 0.9%
Special Education 17.6%
Free/Reduced Lunch 20.6%

School Performance

Key metrics and program information

Attendance

92.9% Attendance Rate
20.5% Chronic Absence

Staffing

Location

1781 Cold Spring Road, WILLIAMSTOWN, MA

B-Rated School

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Part of Mount Greylock School District

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Frequently Asked Questions

What is Mount Greylock Regional High School's grade rating?

Mount Greylock Regional High School has earned a grade of B, ranked #146 in Massachusetts, placing it in the top 42% of Massachusetts Combined 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 Mount Greylock Regional High School?

Approximately 539 students are enrolled at Mount Greylock Regional High School.

How does Mount Greylock Regional High School perform on MCAS tests?

Based on the most recent MCAS results, Mount Greylock Regional High School's proficiency rates are: CIV (49% proficient), English Language Arts (60% proficient), Mathematics (49% proficient). MCAS (Massachusetts Comprehensive Assessment System) tests measure student achievement in English Language Arts, Mathematics, and Science.

What is the graduation rate at Mount Greylock Regional High School?

Mount Greylock Regional High School has a excellent 98.7% graduation rate. The state average graduation rate in Massachusetts is approximately 89%.

What is the attendance rate at Mount Greylock Regional High School?

Mount Greylock Regional High School has an attendance rate of 92.9%. Strong attendance is correlated with better academic outcomes.

What school district is Mount Greylock Regional High School part of?

Mount Greylock Regional High School is part of Mount Greylock 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.