Middlesex School Photo - With a 4:1 student-to-teacher ratio, faculty are always available for extra help.

Average Private School endowment in Massachusetts

The average private school endowment in Massachusetts is $10M (2025).
The private school in Massachusetts with the highest endowment is Phillips Academy Andover, with a endowment of $1326M.
Endowment Range: $50M $1326M Avg. Endowment: $168.5M

Average Private School endowment in Massachusetts (2025)

School
Endowment
Grades
Location
Rank: #11.
Phillips Academy Andover
Phillips Academy Andover Photo - We are the Big Blue! With Big Blue sports, it's team first.
(1)
Endowment: $1326 M
Grades: 9-12
180 Main Street
Andover, MA 01810
(978) 749-4050
Rank: #22.
Deerfield Academy
Deerfield Academy Photo
Endowment: $800 M
Grades: 9-12
7 Boyden Lane
Deerfield, MA 01342
(413) 774-1400
Rank: #33.
Groton School
Groton School Photo - Groton Circle
(Episcopal)
Endowment: $477 M
Grades: 8-12
282 Farmers Row
Groton, MA 01450
(978) 448-3363
Rank: #44.
Milton Academy
Milton Academy Photo - Milton Academy is only eight miles from Boston's museums, schools and attractions, but it has the benefits of a 130-acre New England campus-with green quads and lots of fall foliage.
Endowment: $408 M
Grades: K-12
170 Centre Street
Milton, MA 02186
(617) 898-1798
Rank: #55.
Middlesex School
Middlesex School Photo - Eliot Hall
Endowment: $302 M
Grades: 9-12
1400 Lowell Road
Concord, MA 01742
(978) 371-6524
Rank: #66.
The Roxbury Latin School
The Roxbury Latin School Photo - En route à pied to Mont Saint-Michel, 10th graders have the opportunity to participate in French or Spanish immersion during the month of June.
All-boys
Endowment: $212 M
Grades: 7-12
101 Saint Theresa Avenue
West Roxbury, MA 02132
(617) 477-6316
Rank: #77.
Berkshire School
Berkshire School Photo - Founded in 1907, Berkshire School is a coed college preparatory boarding and day school for 400 ninth-12th graders and post-graduates, offering a forward-thinking curriculum and state-of-the-art facilities on a 400-acre campus in Sheffield, Mass.
(1)
Endowment: $195 M
Grades: 9-12
245 North Undermountain Road
Sheffield, MA 01257
(413) 229-1003
Rank: #88.
Northfield Mount Hermon
Northfield Mount Hermon Photo
(2)
Endowment: $185 M
Grades: 9-12
One Lamplighter Way
Gill, MA 01354
(413) 498-3227
Rank: #99.
Belmont Hill School
Belmont Hill School Photo - Belmont Hill School campus located in Belmont, MA.
All-boys
Endowment: $172 M
Grades: 7-12
350 Prospect Street
Belmont, MA 02478
(617) 993-5220
Rank: #1010.
St. Mark's School
St. Mark's School Photo - St. Mark's School
(Episcopal)
(2)
Endowment: $150 M
Grades: 9-12
25 Marlboro Road
Southborough, MA 01772
(508) 786-6000
Rank: #1111.
Brooks School
Brooks School Photo
(Episcopal)
Endowment: $102 M
Grades: 9-12
1160 Great Pond Road
North Andover, MA 01845
(978) 725-6255
Rank: #1212.
Eaglebrook School
All-boys
(1)
Endowment: $101 M
Grades: 6-9
271 Pine Nook Road
Deerfield, MA 01342
(413) 774-7411
Rank: #13 - 1413. - 14.
Dana Hall School
Dana Hall School Photo
All-girls
(1)
Endowment: $100 M
Grades: 5-12
45 Dana Road
Wellesley, MA 02482
(781) 489-1331
Rank: #13 - 1413. - 14.
St. Agnes School
(Catholic)
Endowment: $100 M
Grades: PK-8
39 Medford Street
Arlington, MA 02474
(781) 643-9031
Rank: #1515.
The Governors Academy
The Governors Academy Photo
(1)
Endowment: $97 M
Grades: 9-12
1 Elm St
Byfield, MA 01922
(978) 465-1763
Rank: #1616.
Concord Academy
Concord Academy Photo
Endowment: $95 M
Grades: 9-12
166 Main Street
Concord, MA 01742
(978) 402-2250
Rank: #1717.
Cushing Academy
Endowment: $84 M
Grades: 9-12
39 School Street
Ashburnham, MA 01430
(978) 827-7000
Rank: #1818.
Boston College High School
Boston College High School Photo - The labyrinth in our main common area provides a metaphor for the reflective journey you take through life, as well as the internal discovery of yourself.
All-boys (Catholic)
Endowment: $70 M
Grades: 7-8
150 William T Morrissey Blvd
Dorchester, MA 02125
(617) 474-5112
Rank: #1919.
Fay School
Fay School Photo - Fay School is located on a 66-acre campus 25 miles from Boston in Southborough, Massachusetts, and is the oldest junior boarding school in the United States. Fay currently serves students in Kindergarten through grade nine, with an optional boarding program starting in grade seven.
(9)
Endowment: $67 M
Grades: K-9
48 Main Street
Southborough, MA 01772
(508) 490-8201
Rank: #2020.
The Fessenden School
The Fessenden School Photo
All-boys
Endowment: $65 M
Grades: PK-9
250 Waltham Street
West Newton, MA 02465
(617) 630-2300
Rank: #2121.
Shady Hill School
Shady Hill School Photo
Endowment: $65 M
Grades: PK-8
178 Coolidge Hill
Cambridge, MA 02138
(617) 520-5260
Rank: #2222.
Tabor Academy
Tabor Academy Photo - Situated on the shores of Sippican Harbor, Tabor's 88-acre campus includes direct and immediate access to the water allowing for place-based learning like no other.
(7)
Endowment: $63 M
Grades: 9-12
66 Spring Street
Marion, MA 02738
(508) 291-8300
Rank: #2323.
Worcester Academy
Worcester Academy Photo - On overhead of our historic campus in the city of Worcester, MA.
Endowment: $60 M
Grades: 6-12
81 Providence Street
Worcester, MA 01604
(508) 754-5302
Rank: #24 - 3124. - 31.
Beaver Country Day School
Beaver Country Day School Photo
(1)
Endowment: $50 M
Grades: 6-12
791 Hammond St
Chestnut Hill, MA 02467
(617) 738-2725
Rank: #24 - 3124. - 31.
Berkshire Meadows
Special Education School
Endowment: $50 M
Grades: Inquire with school
249 N Plain Rd
Housatonic, MA 01236
(413) 528-2523
Rank: #24 - 3124. - 31.
Dexter Southfield School
Dexter Southfield School Photo
(1)
Endowment: $50 M
Grades: NS-12
20 Newton St
Brookline, MA 02445
(617) 522-5544
Rank: #24 - 3124. - 31.
The Fenn School
The Fenn School Photo
All-boys
(9)
Endowment: $50 M
Grades: 4-9
516 Monument Street
Concord, MA 01742
(978) 318-3606
Rank: #24 - 3124. - 31.
The Goddard School
The Goddard School Photo
Daycare / Preschool
Endowment: $50 M
Grades: NS-K
248 Lynn Fells Parkway
Saugus, MA 01906
(781) 484-0600
Rank: #24 - 3124. - 31.
Grove Hall Child Development Center
Daycare / Preschool
Endowment: $50 M
Grades: K
1295 Blue Hill Ave
Mattapan, MA 02126
(617) 298-8190
Rank: #24 - 3124. - 31.
The Little Red Schoolhouse
Daycare / Preschool
Endowment: $50 M
Grades: K
1333 County St
Somerset, MA 02726
(508) 677-0066
Rank: #24 - 3124. - 31.
The Montessori School Of The Angels, Inc
Montessori School (Catholic)
Endowment: $50 M
Grades: PK-8
1180 American Legion Highway
Westport, MA 02790
(508) 567-5833
Rank: #3232.
Newton Country Day School
Newton Country Day School Photo - Newton Country Day School's lovely suburban campus includes classroom space, state-of-the-art science labs, a library, a theatre, a new athletic and wellness center, and playing fields.
All-girls | Special Program Emphasis (Catholic)
Endowment: $51 M
Grades: 5-12
785 Centre St
Newton, MA 02458
(617) 244-4246
Rank: #33 - 3533. - 35.
St. John Paul Ii Catholic Academy
(Catholic)
Endowment: $50 M
Grades: PK-8
2214 Dorchester Ave
Dorchester Center, MA 02124
(617) 265-0019
Rank: #33 - 3533. - 35.
St. Mary Of The Annunciation School
(Catholic)
(3)
Endowment: $50 M
Grades: PK-8
14 Otis Street
Danvers, MA 01923
(978) 774-0307
Rank: #33 - 3533. - 35.
Endowment: $50 M
Grades: PK-8
545 Cabot Street
Beverly, MA 01915
(978) 927-1700
Show 42 more private schools in MA (out of 77 total schools)
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Frequently Asked Questions

What is the Massachusetts average private schools endowment?
The Massachusetts average private schools endowment is $10M for 2025.
What are the private schools with the highest endowment in Massachusetts?
The top ranked private schools in Massachusetts include Phillips Academy Andover, Deerfield Academy and Groton School.
What is private high school and private elementary school with the highest endowment in Massachusetts?
The private high school with the highest endowment in Massachusetts is Phillips Academy Andover, with a value of $1326.0M. The private elementary school with the highest endowment is Groton School, with a value of $477.0M.

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