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Best Texas Private Schools Belonging to Independent Schools Association of the Southwest (ISAS) (2026-27)

For the 2026-27 school year, there are 48 private schools belonging to Independent Schools Association of the Southwest (ISAS) serving 28,460 students in Texas. You can also find more schools membership associations in Texas.
The top ranked private schools belonging to Independent Schools Association of the Southwest (ISAS) in Texas include Keystone School, St. Andrew's Episcopal School (Southwest Parkway Campus), and Duchesne Academy Of The Sacred Heart.
The average tuition cost is $28,182, which is higher than the Texas private school average tuition cost of $14,016.
54% of private schools belonging to Independent Schools Association of the Southwest (ISAS) in Texas are religiously affiliated (most commonly Episcopal and Jewish).

Quick Facts (2026-27)

  • # Private Schools: 48

Quick Facts (2026-27)

  • # Private Schools: 48

Top Ranked Private Schools Belonging to Independent Schools Association of the Southwest (ISAS) in Texas (2026-27)

Austin International School Photo
Austin International School
Gr: PK-8 | 367 students
Avg. class size: 18 students
Sports: 4 | Extracurriculars: 12
Specialized Curriculum
4001 Adelphi ln
Austin, TX 78727
(512) 331-7806
(1)
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Girls' School Of Austin Photo
Girls' School Of Austin
Gr: K-8 | 154 students
Avg. class size: 18 students
All-girls
2007 Mccall Rd
Austin, TX 78703
(512) 478-7827
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Fort Worth Academy Photo
Fort Worth Academy
Gr: K-8 | 200 students
Avg. class size: 15 students
Sports: 9 | Extracurriculars: 5
Specialized Curriculum
7301 Dutch Branch Rd
Fort Worth, TX 76132
(817) 370-1191
(16)
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Allen Academy Photo
Allen Academy
Gr: PK-12 | 327 students
Avg. class size: 12 students
Sports: 11 | Extracurriculars: 13
3201 Boonville Rd
Bryan, TX 77802
(979) 776-0731
(3)
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Ann & Nate Levine Academy Photo
Ann & Nate Levine Academy
Gr: NS-8 | 481 students
Avg. class size: 14 students
Sports: 7 | Extracurriculars: 9
Jewish
18011 Hillcrest Rd
Dallas, TX 75252
(972) 248-3032
(8)
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Annunciation Orthodox School Photo
Annunciation Orthodox School
Gr: NS-8 | 699 students
Avg. class size: 18 students
Sports: 14 | Extracurriculars: 15
Greek Orthodox
3600 Yoakum Blvd
Houston, TX 77006
(713) 470-5600
(5)
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Austin Waldorf School Photo
Austin Waldorf School
Gr: PK-12 | 421 students
Avg. class size: 28 students
Sports: 8 | Extracurriculars: 3
Specialized Curriculum
8700 South View Road
Austin, TX 78737
(512) 288-5942
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Cistercian Preparatory School Photo
Cistercian Preparatory School
Gr: 5-12 | 357 students
Avg. class size: 22 students
Sports: 9 | Extracurriculars: 7
All-boys | Specialized Curriculum (Catholic)
3660 Cistercian Road
Irving, TX 75039
(469) 499-5400
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Duchesne Academy Of The Sacred Heart Photo
Duchesne Academy Of The Sacred Heart
Gr: PK-12 | 813 students
Sports: 13 | Extracurriculars: 8
All-girls (Catholic)
10202 Memorial Dr
Houston, TX 77024
(713) 468-8211
(5)
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The Emery/Weiner School Photo
The Emery/Weiner School
Gr: 6-12 | 690 students
Avg. class size: 16 students
Sports: 15 | Extracurriculars: 13
Jewish
9825 Stella Link Rd
Houston, TX 77025
(832) 204-5900
(1)
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Episcopal High School Photo
Episcopal High School
Gr: 9-12 | 846 students
Avg. class size: 14 students
Sports: 16 | Extracurriculars: 29
Episcopal
4650 Bissonnet St
Bellaire, TX 77401
(713) 512-3400
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The Episcopal School Of Dallas Photo
The Episcopal School Of Dallas
Gr: NS-12
Avg. class size: 16 students
Sports: 21 | Extracurriculars: 52
Episcopal
4100 Merrell Rd
Dallas, TX 75229
(214) 358-4368
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Fort Worth Country Day Photo
Fort Worth Country Day
Gr: K-12 | 1,123 students
Avg. class size: 16 students
Sports: 16 | Extracurriculars: 26
4200 Country Day Lane
Fort Worth, TX 76109
(817) 302-3209
(3)
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Good Shepherd Episcopal School Photo
Good Shepherd Episcopal School
Gr: PK-8 | 536 students
Avg. class size: 15 students
Episcopal
11110 Midway Rd
Dallas, TX 75229
(214) 357-1610
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Greenhill School Photo
Greenhill School
Gr: PK-12 | 1,322 students
Avg. class size: 18 students
Sports: 15
4141 Spring Valley Road
Addison, TX 75001
(972) 628-5400
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Headwaters School Photo
Headwaters School
Gr: PK-12 | 493 students
Avg. class size: 20 students
Sports: 5 | Extracurriculars: 10
801 Rio Grande
Austin, TX 78701
(512) 480-8142
(3)
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The Hockaday School Photo
The Hockaday School
Gr: PK-12 | 1,110 students
Avg. class size: 16 students
Sports: 17
All-girls
11600 Welch Road
Dallas, TX 75229
(214) 360-6526
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Houston Christian High School Photo
Houston Christian High School
Gr: 9-12 | 540 students
Avg. class size: 17 students
Sports: 17 | Extracurriculars: 12
Christian
2700 W Sam Houston Parkway N
Houston, TX 77043
(713) 580-6000
(1)
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Jack Segal Academy (formerly BYDS) Photo
Jack Segal Academy (formerly BYDS)
Gr: NS-5 | 362 students
Avg. class size: 14 students
Sports: 1 | Extracurriculars: 5
Jewish
4525 Beechnut St
Houston, TX 77096
(713) 666-1884
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The John Cooper School Photo
The John Cooper School
Gr: PK-12 | 1,405 students
Avg. class size: 18 students
Sports: 15 | Extracurriculars: 21
One John Cooper Drive
Spring, TX 77381
(281) 367-0900
(11)
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Show 13 more private schools in Texas (out of 48 total schools)
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Frequently Asked Questions

What are the top ranked private schools belonging to Independent Schools Association of the Southwest (ISAS) in Texas?
The top ranked private schools belonging to Independent Schools Association of the Southwest (ISAS) in Texas include Keystone School, St. Andrew's Episcopal School (Southwest Parkway Campus), and Duchesne Academy Of The Sacred Heart.
How many private schools belonging to Independent Schools Association of the Southwest (ISAS) are located in Texas?
48 private schools belonging to Independent Schools Association of the Southwest (ISAS) are located in Texas.
How much do private schools belonging to Independent Schools Association of the Southwest (ISAS) cost in Texas?
The average tuition cost is $28,182, which is higher than the Texas private school average tuition cost of $14,016.
How diverse are private schools belonging to Independent Schools Association of the Southwest (ISAS) in Texas?
Texas private schools belonging to Independent Schools Association of the Southwest (ISAS) are approximately 30% minority students, which is lower than the Texas private school average of 42%.
What percentage of private schools belonging to Independent Schools Association of the Southwest (ISAS) are religiously affiliated in Texas?
54% of private schools belonging to Independent Schools Association of the Southwest (ISAS) in Texas are religiously affiliated (most commonly Episcopal and Jewish).
48
Private Schools
28,460
Students
$28,182
Avg. Tuition
30%
Students of Color
8:1
Student-Teacher Ratio

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