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Average Private Elementary School Endowment in Massachusetts

The average private elementary school endowment in Massachusetts is $55.8M (2026-27).
The private elementary school in Massachusetts with the highest endowment is Groton School, with a endowment of $611M.

Quick Facts (26-27)

  • # MA Schools Ranked: 36
  • Top 20 Range (Endowment): $16M–$611M
  • MA School Avg.: $62M
  • National School Avg.: $18M

Quick Facts (26-27)

  • # MA Schools Ranked: 36
  • Top 20 Range (Endowment): $16M–$611M
  • MA School Avg.: $62M
  • National School Avg.: $18M

Massachusetts Average Endowment (Trends)

Total Growth: +1.4% (+$0.8 million since 2018)

Year National avg Massachusetts (MA) avg YoY Change ($) YoY Change (%)
2025 $26 million $56.0 million ▲ +$0.5 million ▲ +1.0%
2024 $24 million $55.4 million ▲ +$0.5 million ▲ +0.9%
2023 $24 million $54.9 million ▲ +$1.5 million ▲ +2.8%
2022 $24 million $53.4 million ▼ -$2.5 million ▼ -4.5%
2021 $23 million $55.9 million ▲ +$1.3 million ▲ +2.3%
2020 $21 million $54.6 million ▲ +$10.6 million ▲ +24.2%
2019 $20 million $44.0 million ▼ -$11.2 million ▼ -20.3%
2018 $22 million $55.2 million — —
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Source: National Center for Education Statistics (NCES) Private School Universe Survey (PSS), direct school submissions, and proprietary website research and analysis by Private School Review.

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

Show school map — Massachusetts (endowment range: $16M–$611M, avg $62M)
Endowment Range: $1.7M $611M Avg. Endowment: $63.3M

Average Private Elementary School Endowment in Massachusetts (2026-27)

Showing 36 schools
Groton School Photo
#1Groton School
Gr: 8-12 | 379 students
Avg. class size: 11 students
Sports: 14
Episcopal
282 Farmers Row
Groton, MA 01450
(978) 448-3363
$611endowment
View Profile
Milton Academy Photo
#2Milton Academy
Gr: K-12 | 1,020 students
Avg. class size: 14 students
Sports: 19 | Extracurriculars: 56
170 Centre Street
Milton, MA 02186
(617) 898-1798
$408endowment
View Profile
Belmont Hill School Photo
#3Belmont Hill School
Gr: 7-12 | 471 students
Avg. class size: 11 students
Sports: 16
All-boys
350 Prospect Street
Belmont, MA 02478
(617) 993-5220
$172endowment
View Profile
Dana Hall School Photo
#4Dana Hall School
Gr: 5-12 | 441 students
Avg. class size: 12 students
Sports: 16 | Extracurriculars: 36
All-girls
45 Dana Road
Wellesley, MA 02482
(781) 489-1331
(1)
$120endowment
View Profile
Shady Hill School Photo
#5Shady Hill School
Gr: PK-8 | 530 students
Avg. class size: 16 students
Sports: 12
178 Coolidge Hill
Cambridge, MA 02138
(617) 520-5260
$75endowment
View Profile
The Park School Photo
#6The Park School
Gr: PK-8 | 568 students
Avg. class size: 14 students
Sports: 12 | Extracurriculars: 15
171 Goddard Avenue
Brookline, MA 02445
(617) 277-2456
(1)
$73endowment
View Profile
Boston College High School Photo
#7Boston College High School
Gr: 7-8 | 315 students
Avg. class size: 21 students
Sports: 19
All-boys (Catholic)
150 William T Morrissey Blvd
Dorchester, MA 02125
(617) 474-5112
$70endowment
View Profile
The Williston Northampton School Photo
#8The Williston Northampton School
Gr: 7-12 | 490 students
Avg. class size: 12 students
Sports: 23 | Extracurriculars: 24
19 Payson Avenue
Easthampton, MA 01027
(413) 529-3231
(1)
$67endowment
View Profile
The Fessenden School Photo
#9The Fessenden School
Gr: PK-9 | 550 students
Avg. class size: 12 students
Sports: 18 | Extracurriculars: 15
All-boys
250 Waltham Street
West Newton, MA 02465
(617) 630-2300
$65endowment
View Profile
Cathedral High School Photo
#10(T10–T11)Cathedral High School
Gr: 7-12 | 287 students
Sports: 9 | Extracurriculars: 9
Catholic
74 Union Park St
Boston, MA 02118
(617) 542-2325
$60endowment
View Profile
Worcester Academy Photo
#10(T10–T11)Worcester Academy
Gr: 6-12 | 502 students
Avg. class size: 14 students
Sports: 19
81 Providence Street
Worcester, MA 01604
(508) 754-5302
$60endowment
View Profile
Fay School Photo
#12Fay School
Gr: K-9
Avg. class size: 14 students
Sports: 16 | Extracurriculars: 14
48 Main Street
Southborough, MA 01772
(508) 490-8201
(9)
$59endowment
View Profile
St. John's Preparatory School Photo
#13St. John's Preparatory School
Gr: 6-12 | 1,430 students
Avg. class size: 18 students
Sports: 26 | Extracurriculars: 61
All-boys (Catholic)
72 Spring Street
Danvers, MA 01923
(978) 624-1301
(5)
$57endowment
View Profile
The Rivers School Photo
#14The Rivers School
Gr: 6-12 | 519 students
Avg. class size: 12 students
Sports: 16 | Extracurriculars: 24
333 Winter St
Weston, MA 02493
(781) 235-9300
(3)
$49endowment
View Profile
Carroll School Photo
#15Carroll School
Gr: 1-9 | 447 students
Avg. class size: 7 students
Sports: 9 | Extracurriculars: 8
Special Education School
25 Baker Bridge Road
Lincoln, MA 01773
(781) 259-8342
(2)
$33endowment
View Profile
Schechter Boston Photo
#16Schechter Boston
Gr: NS-8 | 446 students
Avg. class size: 15 students
Sports: 12 | Extracurriculars: 17
Jewish
60 Stein Circle
Newton Center, MA 02459
(617) 928-9100
$24endowment
View Profile
Falmouth Academy Photo
#17(T17–T18)Falmouth Academy
Gr: 7-12 | 180 students
Avg. class size: 12 students
Sports: 6 | Extracurriculars: 31
7 Highfield Dr.
Falmouth, MA 02540
(508) 457-9696
$20endowment
View Profile
Tenacre Country Day School Photo
#17(T17–T18)Tenacre Country Day School
Gr: PK-6 | 211 students
Avg. class size: 12 students
Sports: 7 | Extracurriculars: 8
78 Benvenue Street
Wellesley, MA 02482
(781) 235-2282
(4)
$20endowment
View Profile
Belmont Day School Photo
#19Belmont Day School
Gr: PK-8 | 339 students
Sports: 12
55 Day School Lane
Belmont, MA 02478
(617) 484-3078
(3)
$17endowment
View Profile
Derby Academy Photo
#20Derby Academy
Gr: PK-8 | 346 students
Avg. class size: 15 students
Sports: 12 | Extracurriculars: 16
56 Burditt Ave
Hingham, MA 02043
(781) 749-0746
(5)
$16endowment
View Profile
Landmark Elementary•Middle School Photo
#21(T21–T22)Landmark Elementary•Middle School
Gr: 2-8 | 168 students
Avg. class size: 6 students
Sports: 11 | Extracurriculars: 3
Special Education School
167 Bridge Street
Manchester, MA 01944
(978) 236-3000
(4)
$15endowment
View Profile
Landmark High School Photo
#21(T21–T22)Landmark High School
Gr: 2-12 | 316 students
Avg. class size: 7 students
Sports: 17 | Extracurriculars: 3
Special Education School
429 Hale St
Prides Crossing, MA 01965
(978) 236-3010
(2)
$15endowment
View Profile
The Pike School Photo
#23The Pike School
Gr: PK-9 | 400 students
Avg. class size: 10 students
Sports: 8 | Extracurriculars: 15
34 Sunset Rock Road
Andover, MA 01810
(978) 475-1197
(1)
$14endowment
View Profile
Riverview School Inc Photo
#24Riverview School Inc
Gr: 6-12 | 208 students
Avg. class size: 8 students
Sports: 26 | Extracurriculars: 7
Special Education School
551 Route 6A
East Sandwich, MA 02537
(508) 888-0489
$14endowment
View Profile
Brookwood School Photo
#25Brookwood School
Gr: NS-8 | 295 students
Avg. class size: 18 students
Sports: 6 | Extracurriculars: 5
One Brookwood Road
Manchester, MA 01944
(978) 526-4500
(7)
$13endowment
View Profile
The Bement School Photo
#26(T26–T27)The Bement School
Gr: K-9 | 224 students
Avg. class size: 12 students
Sports: 17 | Extracurriculars: 15
94 Old Main St
Deerfield, MA 01342
(413) 774-7061
(15)
$12endowment
View Profile
Wilbraham & Monson Academy Photo
#26(T26–T27)Wilbraham & Monson Academy
Gr: 6-12 | 412 students
Avg. class size: 12 students
Sports: 20 | Extracurriculars: 32
423 Main Street
Wilbraham, MA 01095
(413) 596-6811
(4)
$12endowment
View Profile
Dedham Country Day School Photo
#28Dedham Country Day School
Gr: PK-8 | 309 students
Avg. class size: 12 students
Sports: 11 | Extracurriculars: 5
90 Sandy Valley Road
Dedham, MA 02026
(781) 329-0850
(1)
$10endowment
View Profile
Ursuline Academy Photo
#29Ursuline Academy
Gr: 7-12 | 370 students
Avg. class size: 16 students
Sports: 15
All-girls (Catholic)
85 Lowder St
Dedham, MA 02026
(781) 326-6161
(7)
$9endowment
View Profile
The Newman School Photo
#30The Newman School
Gr: 7-12 | 249 students
Avg. class size: 12 students
Sports: 8 | Extracurriculars: 16
247 Marlborough Street
Boston, MA 02116
(617) 267-4530
(4)
$8endowment
View Profile
Hillside School Photo
#31Hillside School
Gr: K-9 | 145 students
Avg. class size: 12 students
Sports: 16 | Extracurriculars: 8
All-boys
404 Robin Hill Street
Marlborough, MA 01752
(508) 485-3483
$5endowment
View Profile
Chapel Hill Chauncy Hall School Photo
#32Chapel Hill Chauncy Hall School
Gr: 8-12 | 200 students
Avg. class size: 10 students
Sports: 11 | Extracurriculars: 26
785 Beaver Street
Waltham, MA 02452
(781) 314-0804
(1)
$4endowment
View Profile
Wilson-kindelan School Photo
#33Wilson-kindelan School
Gr: K-1 | 6 students
Avg. class size: 8 students
Sports: 3 | Extracurriculars: 6
158 Blue Hills Parkway
Milton, MA 02186
(339) 237-0319
$4endowment
View Profile
Saint Columbkille Partnership School Photo
#34Saint Columbkille Partnership School
Gr: PK-8 | 360 students
Avg. class size: 18 students
Sports: 10 | Extracurriculars: 22
Catholic
25 Arlington St
Brighton, MA 02135
(617) 254-3110
(1)
$3endowment
View Profile
Map of St. John The Evangelist School
#35St. John The Evangelist School
Gr: NS-8 | 256 students
Avg. class size: 24 students
Extracurriculars: 3
Catholic
696 Washington St
Canton, MA 02021
(781) 828-2130
(1)
$2endowment
View Profile
Show 1 more private schools in Massachusetts (out of 36 total schools)
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Frequently Asked Questions

What is the Massachusetts average private elementary schools endowment?
The Massachusetts average private elementary schools endowment is $55.8M for 2026-27.
What are the private elementary schools with the highest endowment in Massachusetts?
The top ranked private elementary schools in Massachusetts include Groton School, Milton Academy and Belmont Hill School.

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