For the 2026-27 school year, there are 6 college-prep and junior boarding schools serving 4,204 students located throughout Southwestern.
You can also browse our full boarding school directory or specify additional search criteria.
Best Southwestern Boarding Schools (2026-27)
School
Location
Quick Facts
1051 N Houston
Bullard, TX 75757
(903) 894-5000
Bullard, TX 75757
(903) 894-5000
Gr: 8-12 | Pre-K-12 (day) | 900 students Student-teacher ratio: 9:1 Avg. class size: 14 students Acceptance rate: 71% Tuition listed
320 Iwo Jima Blvd
Harlingen, TX 78550
(956) 423-6006
Harlingen, TX 78550
(956) 423-6006
Gr: 7-12, PG | 200 students Student-teacher ratio: 12:1 Avg. class size: 11 students Acceptance rate: 70% Tuition listed
101 West College Blvd
Roswell, NM 88201
(800) 421-5376
Roswell, NM 88201
(800) 421-5376
Gr: 9-12, PG | 871 students Student-teacher ratio: 12:1 Avg. class size: 15 students Acceptance rate: 85% Tuition listed
6500 St. Stephen's Drive
Austin, TX 78746
(512) 327-1213
Austin, TX 78746
(512) 327-1213
Gr: 8-12 | 6-12 (day) | 500 students Student-teacher ratio: 8:1 Avg. class size: 17 students Acceptance rate: 50% Tuition listed
San Marcos Academy ![San Marcos Academy Photo - San Marcos Academy has offered a tradition of excellence in private, Christian education since 1907.]( "San Marcos Academy Photo - San Marcos Academy has offered a tradition of excellence in private, Christian education since 1907.")
(Baptist)
2801 Ranch Road 12
San Marcos, TX 78666
(800) 428-5120
San Marcos, TX 78666
(800) 428-5120
Gr: 6-12 | Pre-K-12 (day) | 333 students Student-teacher ratio: 15:1 Avg. class size: 15 students Acceptance rate: 80% Tuition listed
13051 Whittington Drive
Houston, TX 77077
(281) 496-7900
Houston, TX 77077
(281) 496-7900
Gr: 6-12 | PK-12 (day) | 1,400 students Student-teacher ratio: 9:1 Avg. class size: 18 students Acceptance rate: 50% Tuition listed
Frequently Asked Questions
How many boarding schools are located in Southwestern area of the USA?
There are 6 college-preparatory boarding schools located in Southwestern area of the USA.
What is the average tuition cost of boarding school in Southwestern area of the USA?
The average Southwestern area of the USA boarding school tuition cost is $56,730 per year.
What is the oldest boarding school in Southwestern area of the USA?
New Mexico Military Institute, founded in 1891, is the oldest boarding school in Southwestern area of the USA.
What boarding school in Southwestern area of the USA has the lowest acceptance rates?
St. Stephen's Episcopal School has the lowest boarding school acceptance rate (50%) in Southwestern area of the USA.
What boarding school in Southwestern area of the USA has the highest average SAT scores?
St. Stephen's Episcopal School has the highest average SAT scores (1380) in Southwestern area of the USA.
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