Boarding School Review - Established 2003
The Hill School Photo - All students are required to attend sit-down family-style meals together in the Dining Room for lunch, and boarding students attend seated dinners several nights a week. Faculty members and their families join the students in a relaxed, yet formal atmosphere, where they enjoy interaction with one another outside of the classroom.
The Hill School

Largest Endowments

Among "Schools with 400+ Students", view the boarding schools with the largest endowments (2026).
Boarding schools that have larger students bodies or older histories are more likely to have larger endowments than other schools (since they have had more alumni over the years to donate funds).
Schools with lower endowments still often have excellent facilities and resources for students, but simply have not yet had the time or alumni base to build up endowments equivalent to older, larger schools.
Endowment per student is another metric for comparing endowments between schools of different size.
Smaller schools can often have a larger endowment per student figure than larger schools.
Endowment Range: $6M $1,134M Avg. Endowment: $139M

Largest Endowments

Among Schools with 400+ Students (out of 61 schools)

Sorted by range (alphabetically within range)
Boarding School
Endowment
Grades
Location
Rank: #11
Phillips Academy Andover
(16)
Endowment: $1,134 M
Grades: 9-12, PG
180 Main Street
Andover, MA 01810
(978) 749-4050
Rank: #22
St. Paul's School
(Episcopal tradition)
(3)
Endowment: $743 M
Grades: 9-12
325 Pleasant Street
Concord, NH 03301
(603) 229-4700
Rank: #33
Culver Academies
(21)
Endowment: $540 M
Grades: 9-12
1300 Academy Road
Culver, IN 46511
(574) 842-7100
Rank: #44
Deerfield Academy
(14)
Endowment: $532 M
Grades: 9-12, PG
7 Boyden Lane
Deerfield, MA 01342
(413) 774-1400
Rank: #5-65.-6
Lawrenceville School
(6)
Endowment: $459 M
Grades: 9-12, PG
2500 Main Street
Lawrenceville, NJ 08648
(609) 895-2030
Rank: #6-86.-8
Mercersburg Academy
Mercersburg Academy Photo
(20)
Endowment: $397 M
Grades: 9-12, PG
100 Academy Drive
Mercersburg, PA 17236
(717) 328-6173
Rank: #7-97.-9
Choate Rosemary Hall
(30)
Endowment: $396 M
Grades: 9-12, PG
333 Christian Street
Wallingford, CT 06492
(203) 697-2239
Rank: #8-118.-11
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.
(8)
Endowment: $325 M
Grades: 9-12  | K-12 (day)
170 Centre Street
Milton, MA 02186
(617) 898-2227
Rank: #9-129.-12
The Taft School
The Taft School Photo - Our beautiful campus features facilities that rival those of many small colleges, including a library with 55,000 print volumes; a 45,000 square foot science and mathematics building; two theaters; two ice hockey rinks; and an 18-hole golf course.
(3)
Endowment: $318 M
Grades: 9-12, PG
110 Woodbury Road
Watertown, CT 06795
(860) 945-7700
Rank: #10-1310.-13
Middlesex School
(non-sectarian)
(29)
Endowment: $301 M
Grades: 9-12
1400 Lowell Road
Concord, MA 01742
(978) 371-6524
Rank: #11-1411.-14
Loomis Chaffee
Loomis Chaffee Photo - Loomis` beautiful 300-acre campus is located at the confluence of the Farmington and Connecticut rivers in Windsor, Connecticut. Affectionately referred to as the Island, Loomis is within walking distance of the town`s center, Amtrak train station, and other areas of interest.
(30)
Endowment: $250 M
Grades: 9-12, PG
4 Batchelder Road
Windsor, CT 06095
(860) 687-6400
Rank: #12-1512.-15
Episcopal High School
Episcopal High School Photo - Football
(Episcopal)
(12)
Endowment: $230 M
Grades: 9-12
1200 N. Quaker Lane
Alexandria, VA 22302
(703) 933-4062
Rank: #13-1613.-16
Cranbrook Schools
(10)
Endowment: $217 M
Grades: 9-12  | PK-12 (day)
PO Box 801 39221 Woodward Ave.
Bloomfield Hills, MI 48303
(248) 645-3610
Rank: #14-1714.-17
Iolani School
(The Episcopal Church)
Endowment: $199 M
Grades: 9-12  | K-12 (day)
563 Kamoku Street
Honolulu, HI 96826
(808) 943-2379
Rank: #15-1815.-18
Hill School
Hill School Photo - The Hill School sets a high standard for students in their dress and appearance to express pride in themselves and their respect for one another. Academic Dress is worn throughout the academic day whenever students are in an academic or public area, chapel services, sit-down meals, required evening performance, or any other designated occasion.
(8)
Endowment: $153 M
Grades: 9-12, PG
860 Beech Street
Pottstown, PA 19464
(610) 326-1000
Rank: #16-1916.-19
Berkshire School
(17)
Endowment: $146 M
Grades: 9-12, PG
245 North Undermountain Road
Sheffield, MA 01257
(413) 229-1003
Rank: #17-2017.-20
Blair Academy
(9)
Endowment: $145 M
Grades: 9-12, PG
2 Park St
Blairstown, NJ 07825
(908) 362-2009
Rank: #18-2118.-21
Baylor School
(4)
Endowment: $142 M
Grades: 9-12  | 6-12 (day)
171 Baylor School Road
Chattanooga, TN 37405
(423) 267-5902
Rank: #19-2219.-22
Northfield Mount Hermon
(secular)
(14)
Endowment: $139 M
Grades: 9-12, PG
One Lamplighter Way
Mount Hermon, MA 01354
(413) 498-3227
Rank: #20-2320.-23
McCallie School
McCallie School Photo - The College Counseling office works with our students to help them find the best college fit for them and to make sure they are best prepared for the application and the financial aid processes.
All-Boys (Christian)
(3)
Endowment: $138 M
Grades: 9-12, PG  | 6-12, PG (day)
500 Dodds Avenue
Chattanooga, TN 37404
(423) 624-8300
Rank: #21-2421.-24
Western Reserve Academy
(non-sectarian)
Endowment: $114 M
Grades: 9-12, PG
115 College Street
Hudson, OH 44236
(330) 650-9717
Rank: #22-2522.-25
Interlochen Arts Academy
Endowment: $111 M
Grades: 9-12, PG
4000 J Maddy Pkwy
Interlochen, MI 49643
(231) 276-7472
Rank: #23-2723.-27
The Governor's Academy (formerly Governor Dummer Academy)
The Governor's Academy (formerly Governor Dummer Academy) Photo - Beautiful Setting: A 456-acre campus with extensive facilities for academics, athletics, and visual and performing arts.
(8)
Endowment: $75 M
Grades: 9-12
1 Elm Street
Byfield, MA 01922
(978) 499-3120
Rank: #24-2824.-28
Rabun Gap-Nacoochee School
(Presbyterian)
(1)
Endowment: $70 M
Grades: 7-12  | PK-12 (day)
339 Nacoochee Drive
Rabun Gap, GA 30568
(706) 746-7720
Rank: #25-3025.-30
Fay School
(1)
Endowment: $66 M
Grades: 7-9  | K-9 (day)
48 Main Street
Southborough, MA 01772
(508) 490-8201
Rank: #26-3126.-31
Dana Hall School
All-Girls
(6)
Endowment: $65 M
Grades: 9-12  | 5-12 (day)
45 Dana Road
Wellesley, MA 02482
(781) 489-1331
Rank: #27-3627.-36
Lake Forest Academy
Lake Forest Academy Photo - Lake Forest Academy's 435 students are from 15 states and 35 countries. LFA is commited to diversity and inclusion; our student body includes 25% international students, 34% domestic students of color, and 33% of students receive financial aid.
(2)
Endowment: $60 M
Grades: 9-12, PG
1500 West Kennedy Road
Lake Forest, IL 60045
(847) 615-3267
Rank: #27-3627.-36
Shady Side Academy
(1)
Endowment: $60 M
Grades: 9-12  | PK-12 (day)
423 Fox Chapel Road
Pittsburgh, PA 15238
(412) 968-3180
Rank: #27-3627.-36
Worcester Academy
(1)
Endowment: $60 M
Grades: 9-12, PG  | 6-12, PG (day)
81 Providence Street
Worcester, MA 01604
(508) 459-5481
Rank: #27-3627.-36
Wyoming Seminary Upper School
(5)
Endowment: $60 M
Grades: 9-12, PG
201 N. Sprague Ave.
Kingston, PA 18704
(570) 270-2160
Rank: #31-3831.-38
Avon Old Farms School
All-Boys
(6)
Endowment: $53 M
Grades: 9-12, PG
500 Old Farms Road
Avon, CT 06001
(800) 464-2866
Rank: #31-3831.-38
Trinity College School
(established in the Anglican tradition)
Endowment: $53 M
Grades: 9-12  | 5-12 (day)
55 Deblaquire St N.
Port Hope, Canada L1A4K7
(905) 885-3209
Rank: #33-3933.-39
Stevenson School
(11)
Endowment: $48 M
Grades: 9-12  | PK-12 (day)
3152 Forest Lake Road
Pebble Beach, CA 93953
(831) 625-8309
Rank: #34-4034.-40
New Mexico Military Institute
New Mexico Military Institute Photo - Cadets forge lifelong friendships at NMMI.
(7)
Endowment: $45 M
Grades: 9-12, PG
101 West College Blvd
Roswell, NM 88201
(800) 421-5376
Rank: #35-4135.-41
Garrison Forest School
All-Girls
Endowment: $42 M
Grades: 8-12  | PK-12 (day)
300 Garrison Forest Road
Owings Mills, MD 21117
(410) 559-3111
Rank: #36-4336.-43
St. Anne's-Belfield School
(nondenominational)
Endowment: $41 M
Grades: 9-12  | PK-12 (day)
2132 Ivy Road
Charlottesville, VA 22903
(434) 296-5106
Rank: #37-4437.-44
The Webb Schools
(29)
Endowment: $37 M
Grades: 9-12
1175 West Baseline Road
Claremont, CA 91711
(909) 482-5214
Rank: #38-4538.-45
Fryeburg Academy
Fryeburg Academy Photo
(1)
Endowment: $35 M
Grades: 9-12, PG
745 Main Street
Fryeburg, ME 04037
(207) 935-2013
Rank: #39-4639.-46
Darlington School
(11)
Endowment: $33 M
Grades: 9-12, PG  | PK-12, PG (day)
1014 Cave Spring Road, SW
Rome, GA 30161
(706) 236-0436
Rank: #40-4740.-47
The Hun School of Princeton
(1)
Endowment: $32 M
Grades: 9-12, PG  | 6-12, PG (day)
176 Edgerstoune Road
Princeton, NJ 08540
(609) 921-7600
Rank: #41-4941.-49
St. Stephen's Episcopal School
(Episcopal)
(1)
Endowment: $30 M
Grades: 8-12  | 6-12 (day)
6500 St. Stephen's Drive
Austin, TX 78746
(512) 327-1213
Rank: #41-4941.-49
Tallulah Falls School
(2)
Endowment: $30 M
Grades: 7-12  | 4-12 (day)
201 Campus Drive, PO Box 10
Tallulah Falls, GA 30573
(706) 754-0400
Rank: #43-5043.-50
Lawrence Academy
(1)
Endowment: $29 M
Grades: 9-12
26 Powderhouse Road, P.O. Box 992
Groton, MA 01450
(978) 448-1530
Rank: #44-5144.-51
The Linsly School
The Linsly School Photo - Linsly's lower school (grades 5-8) program of studies emphasizes the mastery of fundamental concepts through innovative cross-curricular programs and regimented learning, all of which are designed to prepare students for college preparatory curriculum of the upper school (grades 9-12).
Endowment: $28 M
Grades: 7-12  | 5-12 (day)
60 Knox Lane
Wheeling, WV 26003
(304) 233-1436
Rank: #45-5445.-54
The Bolles School
Endowment: $25 M
Grades: 9-12, PG  | PK-12, PG (day)
7400 San Jose Blvd.
Jacksonville, FL 32217
(904) 256-5030
Rank: #45-5445.-54
Chaminade College Preparatory School
Chaminade College Preparatory School Photo - Chaminade is located 20 minutes outside of Downtown St. Louis in the lovely, safe, green neighborhood of Creve Coeur. Our 55 acre campus is fun and lively throughout the school year and a wonderful place not only to study and play but also to become part of the family.
All-Boys (Catholic)
Endowment: $25 M
Grades: 6-12
425 South Lindbergh Blvd.
St. Louis, MO 63131
(314) 692-6645
Rank: #45-5445.-54
St. George's School, Vancouver
All-Boys (Anglican tradition)
Endowment: $25 M
Grades: 8-12  | K-12 (day)
4175 West 29th Avenue
Vancouver, BC, Canada V6S1V1
(604) 221-3890
Rank: #48-5548.-55
Oregon Episcopal School
(Episcopal)
Endowment: $23 M
Grades: 9-12, PG  | PK-12, PG (day)
6300 SW Nicol Road
Portland, OR 97223
(503) 768-3115
Rank: #49-6049.-60
Branksome Hall
Branksome Hall Photo
All-Girls
Endowment: $20 M
Grades: 7-12  | PK-12 (day)
10 Elm Avenue
Toronto, Canada m4w 1n4
(416) 920-9741
Rank: #49-6049.-60
Georgetown Preparatory School
All-Boys (Catholic)
(3)
Endowment: $20 M
Grades: 9-12
10900 Rockville Pike
North Bethesda, MD 20852
(301) 214-1215
Rank: #49-6049.-60
Landmark School
(2)
Endowment: $20 M
Grades: 9-12  | 2-12 (day)
429 Hale Street
Prides Crossing, MA 01965
(978) 236-3000
Rank: #49-6049.-60
Saint Andrew's School
(Episcopal tradition)
(3)
Endowment: $20 M
Grades: 9-12
3900 Jog Road
Boca Raton, FL 33434
(561) 210-2020
Rank: #49-6049.-60
St. Johnsbury Academy
(3)
Endowment: $20 M
Grades: 9-12, PG
1000 Main Street, PO Box 906
St. Johnsbury, VT 05819
(802) 751-2130
Rank: #54-6154.-61
Brentwood College School
(1)
Endowment: $18 M
Grades: 9-12, PG  | 8-12, PG (day)
2735 Mt. Baker Road
Mill Bay, BC V8H 1K8, Canada 1
(250) 743-5521
Rank: #55-6355.-63
Shawnigan Lake School
(2)
Endowment: $13 M
Grades: 8-12
1975 Renfrew Road
Shawnigan Lake, BC, Canada V0R2W1
(250) 743-6207
Rank: #55-6355.-63
Wisconsin Lutheran High School
(Wisconsin Evangelical Lutheran Synod)
(2)
Endowment: $13 M
Grades: 9-12
330 N. Glenview Avenue
Milwaukee, WI 53213
(414) 453-4567
Rank: #57-6457.-64
Ashbury College
(4)
Endowment: $12 M
Grades: 9-12  | 4-12 (day)
362 Mariposa Avenue
Ottawa, Canada K1M 0T3
(613) 749-9630
Rank: #58-6558.-65
Lyndon Institute
Endowment: $11 M
Grades: 9-12, PG
PO Box 127, 168 Institute Circle
Lyndon Center, VT 05850
(802) 535-3700
Rank: #59-7259.-72
The Athenian School
The Athenian School Photo
(1)
Endowment: $8 M
Grades: 9-12  | 6-12 (day)
2100 Mt. Diablo Scenic Blvd.
Danville, CA 94506
(925) 362-7223
Rank: #59-7259.-72
Sun Valley Community School
Endowment: $8 M
Grades: 9-12  | PK-12 (day)
1 Community School Drive
Sun Valley, ID 83353
(208) 622-3960
Rank: #61-7361.-73
Foxcroft Academy
(1)
Endowment: $6 M
Grades: 9-12, PG
975 West Main Street
Dover Foxcroft, ME 04426
(207) 564-8664

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