Private School Review - Established 2003

Williamstown Private Schools

For the 2026-27 school year, there are 2 private schools serving 214 students in Williamstown, MA, 18% of all K-12 students in Williamstown, MA are educated in private schools versus public schools (compared to the MA state average of 12%).
The average acceptance rate is 50%, which is lower than the Massachusetts private school average acceptance rate of 73%.

Quick Facts (26-27)

Quick Facts (26-27)

Top Ranked Williamstown Private Schools (2026-27)

Buxton School Photo
Buxton School
Gr: 9-12 | 51 students
Avg. class size: 9 students
Sports: 9 | Extracurriculars: 12
Specialized Curriculum
291 South Street
Williamstown, MA 01267
(413) 339-3727
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Map of Pine Cobble School
Pine Cobble School
Gr: PK-8 | 163 students
Avg. class size: 15 students
Sports: 4
163 Gale Rd
Williamstown, MA 01267
(413) 458-4680
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Williamstown, MA Private School Trends (10-Year)

2
Private Schools
214
Students
+4.4% (+9 students) 10-yr
$71,500
Avg. Tuition
+44.4% (+$22,000) 10-yr
12
Avg. Class Size
+33.3% (+3 students) 10-yr
16%
Students of Color
-30.4% (-7.0 pp) 10-yr
4:1
Student-Teacher Ratio
-20.0% (-1.0) 10-yr
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Enrollment & Diversity
Category
This Town (Williamstown)
This State (MA)
# Schools
2 Schools
854 Schools
# Students
214 Students
126,248 Students

Trends in the Average Number of Students Per Private School

YearWilliamstown, MA AvgMassachusetts (MA)National
2025107159179
2024112156172
2023127159174
2022127162185
2021127159180
2020127155171
2019132157175
2018132157172
2017103160180
2016103159178
2015103152167
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% Students of Color
16%
32%

Percentage of Students of Color Trends (2015-2025)

YearWilliamstown, MA AvgMassachusetts (MA)National
202516%31%34%
202417%29%34%
202317%30%33%
202217%29%33%
202117%28%32%
202017%27%32%
201916%26%31%
201816%25%31%
201723%26%32%
201623%27%32%
201523%28%32%
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0.51
0.63

Diversity Score Trends

YearWilliamstown, MA AvgMassachusetts (MA)National
20250.510.630.65
20240.530.630.65
20230.550.620.65
20220.530.600.64
20210.530.600.64
20200.530.590.64
20190.520.570.63
20180.520.580.63
20170.470.550.61
20160.470.550.61
20150.470.550.61
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Show more data/charts: racial breakdown
# American Indian Students
n/a
187 Students
% American Indian Students
n/a
n/a
# Asian Students
9 Students
6,792 Students
% Asian Students
4%
5%

Asian Student Percentage Trends

YearWilliamstown, MA AvgMassachusetts (MA)National
20254%6%5%
20244%6%5%
20234%6%5%
20224%7%4%
20214%6%4%
20204%7%4%
20194%6%4%
20184%5%4%
20176%6%4%
20166%5%4%
20156%5%4%
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# Hispanic Students
4 Students
7,577 Students
% Hispanic Students
2%
6%

Hispanic Student Percentage Trends

YearWilliamstown, MA AvgMassachusetts (MA)National
20252%6%9%
20242%6%9%
20234%6%9%
20224%5%8%
20214%5%9%
20204%5%9%
20194%5%8%
20184%5%8%
20174%4%8%
20164%4%8%
20154%5%8%
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# Black Students
17 Students
8,696 Students
% Black Students
8%
7%

Black Student Percentage Trends

YearWilliamstown, MA AvgMassachusetts (MA)National
20258%7%7%
20248%7%7%
20236%7%8%
20226%6%7%
20216%6%7%
20206%6%8%
20196%6%7%
20186%6%7%
20176%6%7%
20166%6%7%
20156%7%8%
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# White Students
146 Students
67,960 Students
% White Students
68%
55%

White Student Percentage Trends

YearWilliamstown, MA AvgMassachusetts (MA)National
202568%54%52%
202465%54%52%
202362%56%52%
202265%58%54%
202165%59%54%
202065%59%54%
201967%61%56%
201867%61%56%
201771%63%58%
201671%64%58%
201571%64%58%
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# Hawaiian Students
1 Student
83 Students
% Hawaiian Students
n/a
n/a
# Two or more races Students
n/a
n/a
% of Two or more races Students
n/a
n/a
# Others Students
39 Students
33,175 Students
% of Others Students
18%
27%

Other Races Student Percentage Trends

YearWilliamstown, MA AvgMassachusetts (MA)National
202518%27%26%
202421%27%26%
202324%25%25%
202221%24%25%
202121%24%25%
202021%23%24%
201919%22%24%
201819%23%23%
201713%21%22%
201613%21%22%
201513%19%21%
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All Ethnic Groups
Academics
# Teachers
53 Teachers
15,783 Teachers
Average Student-Teacher Ratio
4:1
8:1

Student-Teacher Ratio Trends (2015-2025)

YearWilliamstown, MA AvgMassachusetts (MA)National
20254:18:111:1
20244:18:111:1
20236:18:111:1
20225:18:111:1
20215:18:111:1
20205:18:112:1
20196:19:112:1
20186:19:112:1
20175:19:112:1
20165:19:112:1
20155:19:112:1
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% Average Faculty w/Advanced Degree
60%
68%

Percentage of Faculty With Advanced Degrees Trends (2015-2025)

YearWilliamstown, MA AvgMassachusetts (MA)National
202560%67%55%
202460%67%54%
202360%67%54%
202260%67%54%
202136%67%54%
202036%66%54%
201936%66%53%
201836%65%53%
201736%64%53%
201636%64%52%
201536%64%52%
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Average Class Size
12 students
14 students

Class Size Trends (2015-2025)

YearWilliamstown, MA AvgMassachusetts (MA)National
2025121415
2024121415
2023121415
2022121415
2021121415
2020121415
2019121415
2018121415
201791415
201691415
201591415
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Tuition & Aid
Average Yearly Tuition Cost
$71,500
$26,559

Tuition Cost Trends (2015-2025)

YearWilliamstown, MA AvgMassachusetts (MA)National
2025$71,500$26,485$15,012
2024$65,000$27,159$13,254
2023$62,000$25,129$12,626
2022$62,000$24,457$12,187
2021$59,500$22,623$11,800
2020$59,500$21,672$11,512
2019$57,000$20,983$11,293
2018$55,000$20,804$11,017
2017$54,000$20,615$10,708
2016$52,500$20,164$10,356
2015$49,500$19,785$9,939
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Average % on Financial Aid
45%
36%

Percent on Financial Aid Trends (2015-2025)

YearWilliamstown, MA AvgMassachusetts (MA)National
202545%36%34%
202445%36%34%
202345%37%34%
202245%36%33%
202145%35%33%
202045%35%32%
201945%34%31%
201845%33%30%
201745%32%30%
201645%31%29%
201545%31%28%
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Average Endowment Size
$3 million
$94.84 million

Endowment Trends (2017-2025)

YearWilliamstown, MA AvgMassachusetts (MA)National
2025$3 M$83 M$39 M
2024$3 M$105 M$39 M
2023$3 M$103 M$39 M
2022$3 M$100 M$40 M
2021$3 M$102 M$40 M
2020$3 M$104 M$40 M
2019$3 M$107 M$40 M
2018$3 M$127 M$43 M
2017$3 M$130 M$45 M
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Admissions & Athletics
Average Acceptance Rate
50%
73%
Average Number of Extracurriculars
12 extracurriculars
13 extracurriculars
Average Number of Sports
7 sports
9 sports

Frequently Asked Questions

What are the top ranked private schools in Williamstown, MA?
The top ranked private schools in Williamstown, MA is Buxton School.
How many private schools are located in Williamstown?
2 private schools are located in Williamstown.
What percentage of students in Williamstown go to private school?
18% of all K-12 students in Williamstown are educated in private schools (compared to the MA state average of 12%).

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