Boarding School Review - Established 2003
New Summit Academy Costa Rica
Fishburne Military School
The Phelps School

Smallest Student Body

The average student body across the 28 ranked all-boys boarding schools is 332 (2026-27).
Among all-boys boarding schools, the one with the smallest student body is New Summit Academy Costa Rica, with 26.

Quick Facts (26-27)

  • # All-Boys Schools Ranked: 28
  • Top 20 Range (Smallest Student Body): 26–319
  • All-Boys Schools Avg.: 332
  • National Avg.: 396

Quick Facts (26-27)

  • # All-Boys Schools Ranked: 28
  • Top 20 Range (Smallest Student Body): 26–319
  • All-Boys Schools Avg.: 332
  • National Avg.: 396

National Average Number of Students Per Boarding School (Trends)

Showing 2016–2025. Full 12-year historical data available below ↓

Total Growth: (-1.0%) (-4 since 2016)

Year National avg YoY Change (#) YoY Change (%)
2025 396 ▼ -2 ▼ -0.5%
2024 398 ▲ +2 ▲ +0.5%
2023 396 ▼ -10 ▼ -2.5%
2022 406 ▲ +3 ▲ +0.7%
2021 403 ▲ +8 ▲ +2.0%
2020 395 ▼ -13 ▼ -3.2%
2019 408 ▼ -2 ▼ -0.5%
2018 410 ▼ -2 ▼ -0.5%
2017 412 ▲ +12 ▲ +3.0%
2016 400 ▲ +5 ▲ +1.3%
2015 395 ▲ +3 ▲ +0.8%
2014 392 — —
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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 — National (# Students range: 26–1,150, avg 332)
# Students Range: 26 1,150 Avg. # Students: 332

Smallest Student Body (2026-27)

Among All-Boys Schools (out of 28 schools)

Sorted by range (alphabetically within range)
New Summit Academy Costa Rica Photo - Our location in Costa Rica is no accident. Costa Rica is an experiential learner's paradise.
#1New Summit Academy Costa Rica
Gr: 9-12, PG
All-boys
Alajuela Province, Nueva Cumbre
Atenas, Costa Rica 20501
18006099496
26# Students
View Profile
Fishburne Military School Photo - Fishburne Military School is the smallest all-boys military boarding school in Virginia. Our cadets come from 18 different states and 4 countries. Located in Waynesboro VA, Fishburne continues to be a pillar of all-boys education since Fishburne's founding in 1879.
#2(T2–T3)Fishburne Military School
Gr: 8-12 | 6-12 (day)
All-boys
225 S. Wayne Avenue
Waynesboro, VA 22980
(540) 946-7706
(7)
100# Students
View Profile
The Phelps School Photo - At Phelps, students are at the heart of all we do. We educate boys in grades 6-12 from potential to purpose.
#2(T2–T3)The Phelps School
Gr: 6-12, PG
All-boys
583 Sugartown Road
Malvern, PA 19355
(443) 386-2199
100# Students
View Profile
St. Lawrence Seminary High School Photo
#4St. Lawrence Seminary High School
Gr: 9-12
All-boys (Catholic)
301 Church Street
Mt. Calvary, WI 53057
(920) 753-7570
140# Students
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Subiaco Academy Photo - Named by Architecture Digest as one of "The World's Most Beautiful Boarding Schools," the modified Romanesque style architecture was rebuilt in 1959 using native sandstone taken from our own quarries about a mile northeast of the Abbey.
#5Subiaco Academy
Gr: 7-12
All-boys (Catholic)
405 North Subiaco Avenue
Subiaco, AR 72865
(479) 934-1000
(4)
150# Students
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Bridgton Academy Photo
#6Bridgton Academy
Gr: 12-12, PG
All-boys
11 Academy Lane
North Bridgton, ME 04057
(207) 647-3322
155# Students
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South Kent School Photo
#7South Kent School
Gr: 9-12, PG
All-boys (Episcopal)
40 Bulls Bridge Rd
South Kent, CT 06785
(860) 927-3539
170# Students
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Blue Ridge School Photo - Our beautiful 750 acre campus is nestled in the Blue Ridge Mountains, a lovely 30 minute drive from Charlottesville Virginia. We take full advantage our location to help boys channel their energy, hone their leadership skills, foster respect for the environment, enhance their self esteem, and learn the value of teamwork.
#8Blue Ridge School
Gr: 9-12
All-boys (Episcopal)
273 Mayo Drive
St. George, VA 22935
(434) 985-2811
(7)
188# Students
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Hargrave Military Academy Photo - Hargrave strives to develop well-rounded young men. Hargrave offers various opportunities for Cadets to be involved with music and the arts.
#9Hargrave Military Academy
Gr: 7-12, PG
All-boys (Baptist)
200 Military Drive
Chatham, VA 24531
(800) 432-2480
(6)
195# Students
View Profile
Marine Military Academy Photo
#10Marine Military Academy
Gr: 7-12, PG
All-boys
320 Iwo Jima Blvd
Harlingen, TX 78550
(956) 423-6006
(1)
200# Students
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Missouri Military Academy Photo - Established in 1889, Missouri Military Academy has transformed young men into leaders who are well-educated, prepared gentlemen of character. Our long history and distinct traditions inspire a sense of pride and duty among the young men who seek to fulfill their potential at MMA.
#11Missouri Military Academy
Gr: 7-12, PG
All-boys (Non-denom. / Christian)
204 Grand Street
Mexico, MO 65265
(573) 581-1776
(7)
220# Students
View Profile
Mount Michael Benedictine School Photo
#12Mount Michael Benedictine School
Gr: 9-12
All-boys (Catholic)
22520 Mount Michael Road
Elkhorn, NE 68022
(402) 238-1457
225# Students
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Cardigan Mountain School Photo
#13Cardigan Mountain School
Gr: 6-9
All-boys
62 Alumni Drive
Canaan, NH 03741
(603) 523-3548
(2)
235# Students
View Profile
Trinity-Pawling School Photo - There are countless opportunities for students to develop leadership skills at Trinity-Pawling. Our community is intentionally designed to unleash the full potential of each student. Classes, clubs and activities, dorms, community service, and athletics are all venues for students to assume both official and unofficial positions of leadership, build their confidence, and become effective role models.
#14Trinity-Pawling School
Gr: 8-12, PG | 7-12, PG (day)
All-boys (Episcopal)
700 Route 22
Pawling, NY 12564
(845) 855-4825
(1)
264# Students
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Army and Navy Academy Photo - Our 16-acre campus is bordered by the Pacific Ocean in the northern San Diego coastal town of Carlsbad, CA. State-of-the-art athletic facilities support ANA's 17 different sports teams, plus surfing, beach volleyball, and ice hockey.
#15Army and Navy Academy
Gr: 7-12
All-boys
2605 Carlsbad Blvd.
Carlsbad, CA 92008
(888) 762-2338
(5)
285# Students
View Profile
Riverside Military Academy Photo
#16Riverside Military Academy
Gr: 6-12
All-boys
2001 Riverside Drive
Gainesville, GA 30501
(678) 696-2116
(5)
290# Students
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Camden Military Academy Photo - A proud family!
#17(T17–T18)Camden Military Academy
Gr: 7-12, PG
All-boys
520 Hwy. 1 North
Camden, SC 29020
(803) 432-6001
(21)
300# Students
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Fork Union Military Academy Photo - The cadets in parade formation. The first full dress parade of the year begins usually at the end of April and is on Sunday.
#17(T17–T18)Fork Union Military Academy
Gr: 7-12, PG
All-boys (Baptist)
PO Box 278, 4744 James Madison Hwy
Fork Union, VA 23055
(434) 842-4205
(7)
300# Students
View Profile
Christ School Photo
#19Christ School
Gr: 8-12
All-boys (Episcopal)
500 Christ School Road
Asheville, NC 28704
(828) 684-6232
(1)
302# Students
View Profile
Salisbury School Photo
#20Salisbury School
Gr: 9-12, PG
All-boys
251 Canaan Road
Salisbury, CT 06068
(860) 435-5732
(2)
319# Students
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Saint Stanislaus High School Photo - We make the most of our location right on the Bay, developing unique programs, clubs, and activities for our students to enjoy. Our scuba and sailing clubs enjoy time in the water, while our environmental club focuses on care for our oceans, too.
#21Saint Stanislaus High School
Gr: 7-12
All-boys (Catholic)
304 S. Beach Blvd.
Bay St. Louis, MS 39520
(228) 467-9057
342# Students
View Profile
Woodberry Forest School Photo
#22Woodberry Forest School
Gr: 9-12
All-boys (Non-denom. / Christian)
241 Woodberry Station
Woodberry Forest, VA 22989
(888) 798-9371
(2)
400# Students
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Avon Old Farms School Photo - Nestled among Cotswold-inspired architecture on 860 acres in the Farmington Valley, Avon Old Farms stands as the leader in preparing boys to become men.
#23Avon Old Farms School
Gr: 9-12, PG
All-boys
500 Old Farms Road
Avon, CT 06001
(800) 464-2866
(6)
405# Students
View Profile
Georgetown Preparatory School Photo - Just a few miles from the heart of Washington, D.C., Georgetown Prep's 90-acre campus feels more like a small college than a high school.
#24Georgetown Preparatory School
Gr: 9-12
All-boys (Catholic)
10900 Rockville Pike
North Bethesda, MD 20852
(301) 214-1215
(4)
496# Students
View Profile
The Fessenden School Photo
#25The Fessenden School
Gr: 5-9 | PK-9 (day)
All-boys
250 Waltham Street
West Newton, MA 02465
(617) 630-2300
542# Students
View Profile
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.
#26Chaminade College Preparatory School
Gr: 6-12
All-boys (Catholic)
425 South Lindbergh Blvd.
St. Louis, MO 63131
(314) 692-6645
800# Students
View Profile
McCallie School Photo - The College Counseling office works with our students to help them find the best college fit and to ensure they are well prepared for the application and financial aid processes.
#27McCallie School
Gr: 9-12, PG | 6-12, PG (day)
All-boys (Non-denom. / Christian)
500 Dodds Avenue
Chattanooga, TN 37404
(423) 624-8300
(3)
1006# Students
View Profile
St. George's School, Vancouver Photo - St. George's School, Vancouver is an all-boys university preparatory school in Canada. The school offers a Canadian curriculum containing 100+ courses and 26 Advanced Placement subjects.
#28St. George's School, Vancouver
Gr: 8-12 | K-12 (day)
All-boys
4175 West 29th Avenue
Vancouver, BC, Canada V6S1V1
(604) 224-1304
(16)
1150# Students
View Profile

Frequently Asked Questions

Which all-boys boarding schools have the smallest student body?
The all-boys boarding schools with the smallest student body are New Summit Academy Costa Rica, Fishburne Military School and The Phelps School.
How many all-boys boarding schools are ranked for the smallest student body?
28 all-boys boarding schools are ranked for the smallest student body.

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