Students from Lanesborough and Williamstown attend Mt Greylock Regional High School.
B+
overall grade
Ranks #59 of 335 Massachusetts high schools — top 18%.
Overall rank
#59
of 335 schools
Average SAT
1233+142 vs MA
MA average 1091
Graduation rate
98%
MA average 92%
Plan on college
90%+17 vs MA
MA average 72%
SAT is the average total score of test takers. Graduation is the four-year rate. College is the share of graduates who report plans to attend a 2- or 4-year college.
Mount Greylock Regional High School serves students from the northern Berkshire County towns of Williamstown and Lanesborough in the scenic Berkshires region of western Massachusetts. The school takes its name from Mount Greylock, the highest peak in Massachusetts at 3,489 feet, which provides a dramatic backdrop to the area. Williamstown is home to Williams College, one of the nation's leading liberal arts colleges, giving the region a distinctive college-town character.
How it compares
What stands out
+Strongest area: SAT scores, in the top 10% statewide. The average SAT score is 1233, vs 1091 at the typical MA high school.
!Relative weak spot: AP results rank in the top 40%, below its other categories.
↓Trend: Chronic absence has fallen from 17.9% in 2022 to 12.5% in 2025.
↑Trend: The graduation rate has risen from 94.4% in 2021 to 98.1% in 2024.
Where it stands among 335 Massachusetts high schools
Bottom of MATop of MA
Overall
Above averagetop 18% · #59
SAT
Excellenttop 10% · #32
ELA MCAS
Above averagetop 20% · #63
Math MCAS
Above averagetop 18% · #56
AP results
Averagetop 40% · #125
Graduation
Above averagetop 17% · #54
College plans
Above averagetop 20% · #66
The overall rank weighs SAT (30%), MCAS (25%), AP results (20%), and graduates' college plans (25%). Categories rank only the schools with data for them. How we rank
SAT
Average total score1233in 2025 · MA avg 1091
142 points above the MA avg
By section (out of 800)
Reading & writingBetter than average
This school
638
MA avg
556
MathBetter than average
This school
595
MA avg
535
70 students took the SAT.
"MA avg" is the average of the 335 high schools we rank. Only students who choose to take the SAT are counted.
MCAS (10th grade)
Share of 10th graders meeting or exceeding expectations. Statewide results dropped after 2024, when passing the MCAS stopped being a graduation requirement. There was no test in 2020.
English Language Arts66%in 2026 · state 45%
21 points above the state
Math67%in 2026 · state 44%
23 points above the state
Detailed scores
Average scaled score, ELA · Math · Science (500+ = meeting expectations)509 · 507 · —
Achievement percentile vs. MA schools (ELA · Math)82nd · 80th
Student growth percentile, ELA · Math (50 = typical growth)43 · 57
130 students took 247 AP exams. A 3 or higher can earn college credit.
Completed an advanced coursegrades 11–12Better than average
This school
83.8%
MA avg
71.4%
9th graders passing all coursesBetter than average
This school
92.8%
MA avg
82.6%
After high school
Four-year graduation rate98%in 2024 · MA avg 92%
7 points above the MA avg
Dropped outof the four-year classBetter than average
This school
1%
MA avg
4.3%
1% of the class were still in school after four years.
Plan to attend college90%in 2025 · state 72%
17 points above the state
Graduates' plans · 69 graduates
4-year private college
56.5%
4-year public college
23.2%
2-year public college
10.1%
Other post-secondary
5.8%
Work
4.3%
Students
Who attends
White
84.8%
Hispanic/Latino
6.7%
Multi-Race
4.6%
Black/African American
2.4%
Asian
1.5%
49% female · 50.3% male · 0.7% nonbinary
Student needs
High needslow income, English learner, or disabilityLower than average
This school
31.7%
MA avg
50.7%
Low incomeLower than average
This school
20.1%
MA avg
39%
English learnersLower than average
This school
0.9%
MA avg
8.6%
Teachers
Licensed teachersAbout average
This school
100%
MA avg
95.9%
Experienced teachersBetter than average
This school
83.6%
MA avg
73.4%
Teaching in their fieldAbout average
This school
92.2%
MA avg
84.6%
Students per teacher
11.4MA avg 11.8
47.1 full-time-equivalent teachers
Attendance & safety
Attendance rateBetter than average
This school
94.8%
MA avg
92.3%
Chronically absentmissed 10%+ of daysBetter than average
This school
12.5%
MA avg
22.3%
9.1 days absent per student (MA avg 13.2) · Suspensions: 0.9% out-of-school, 1.7% in-school (MA high school avg 4% / 2.2%) · 0.4% referred to law enforcement
About the towns in Mount Greylock
Mt Greylock Regional High is part of the Mount Greylock regional district. Our data doesn't list the school's own town, so here are all of the district's member towns.
Town figures are FY2026 averages for single-family homes from the Massachusetts Department of Revenue. Assessed values usually run below recent sale prices. "MA median" is the median of the state's 351 towns.
Similar schools elsewhere
Schools with similar test results, demographics, and college plans.