Private School Review - Established 2003
St. Thomas High School Photo - Located in nearly the geographic center of Houston, St. Thomas thrives on a lush campus at the corner of Memorial Drive and Shepherd Drive, approximately two miles west of downtown.
St. Thomas High School

Best Texas Private High Schools Belonging to Texas Catholic Conference Education Department (2025-26)

For the 2025-26 school year, there are 17 private high schools belonging to Texas Catholic Conference Education Department serving 6,647 students in Texas. You can also find more schools membership associations in Texas.
The top ranked private high schools belonging to Texas Catholic Conference Education Department in Texas include St. John XXIII College Preparatory, Holy Cross of San Antonio, and Cistercian Preparatory School.
The average tuition cost is $15,997, which is higher than the Texas private high school average tuition cost of $14,520.
100% of private high schools belonging to Texas Catholic Conference Education Department in Texas are religiously affiliated (most commonly Catholic).

Top Ranked Private High Schools Belonging to Texas Catholic Conference Education Department in Texas (2025-26)

School
Location
Quick Facts
Antonian College Preparatory High School
Antonian College Preparatory High School Photo
(Catholic)
6425 West Ave
San Antonio, TX 78213
(210) 344-9265
Gr: 9-12 | 728 students Avg. class size: 25 students Sports: 15 | Extracurrculars: 32 Tuition listed
The Atonement Catholic Academy
The Atonement Catholic Academy Photo - Holy Mass is a daily part of our routine here at The Atonement Academy. From Pre K - 12th grade, approximately 270 students and teachers worship together to begin their day with Christ Jesus guiding their hearts in all aspects of their lives.
(Catholic)
(3)
15415 Red Robin Road
San Antonio, TX 78255
(210) 695-2240
Gr: PK-12 | 343 students Avg. class size: 19 students Sports: 10 | Extracurrculars: 5 Tuition listed
Cistercian Preparatory School
Cistercian Preparatory School Photo
All-boys | Special Program Emphasis (Catholic)
3660 Cistercian Road
Irving, TX 75039
(469) 499-5400
Gr: 5-12 | 357 students Avg. class size: 22 students Sports: 9 | Extracurrculars: 7 Tuition listed
Cristo Rey Jesuit College Prep School Of Houston
Cristo Rey Jesuit College Prep School Of Houston Photo - Cristo Rey Jesuit offers a balance of academics, religion, clubs, sports and fellowship!
Special Program Emphasis (Catholic)
6700 Mount Carmel St
Houston, TX 77087
(281) 501-1298
Gr: 9-12 | 485 students Avg. class size: 24 students Sports: 11 | Extracurrculars: 19 Tuition & acceptance rate listed
Duchesne Academy Of The Sacred Heart
Duchesne Academy Of The Sacred Heart Photo - Duchesne Academy of the Sacred Heart is Houston's only all-girls' Catholic school offering Pre-K3 through 12th-grade education.
All-girls (Catholic)
(5)
10202 Memorial Dr
Houston, TX 77024
(713) 468-8211
Gr: PK-12 | 813 students Sports: 13 | Extracurrculars: 8 Tuition & acceptance rate listed
Holy Cross of San Antonio
Holy Cross of San Antonio Photo - Holy Cross of San Antonio established 1957
(Catholic)
426 N San Felipe Ave
San Antonio, TX 78228
(210) 433-9395
Gr: 6-12 | 300 students Avg. class size: 14 students Sports: 14 | Extracurrculars: 17 Tuition listed
Incarnate Word Academy
Incarnate Word Academy Photo - Spiritual growth at Incarnate Word Academy reflects the spirituality and the mission of the Sisters of the Incarnate Word and Blessed Sacrament who founded our school over 144 years ago. As young Women of the Word, IWA girls become a source of light and goodness in the world.
All-girls (Catholic)
(1)
609 Crawford Street
Houston, TX 77002
(713) 227-3637
Gr: 9-12 | 311 students Avg. class size: 17 students Sports: 11 | Extracurrculars: 30 Tuition & acceptance rate listed
Providence Catholic School
Providence Catholic School Photo - This newly renovated three story house located right on the campus is home to the library. It also includes a state-of-the-art computer lab.
All-girls (Catholic)
(1)
1215 N. St. Mary's Street
San Antonio, TX 78215
(210) 224-6651
Gr: 6-12 | 235 students Avg. class size: 16 students Sports: 9 | Extracurrculars: 11 Tuition & acceptance rate listed
St. Catherines Montessori
St. Catherines Montessori Photo
Montessori School (Catholic)
9821 Timberside Dr.
Houston, TX 77025
(713) 665-2195
Gr: NS-12 | 277 students Sports: 4 Tuition & acceptance rate listed
St. John XXIII College Preparatory
St. John XXIII College Preparatory Photo
(Catholic)
1800 West Grand Parkway N.
Katy, TX 77449
(281) 693-1000
Gr: 9-12 | 409 students Avg. class size: 18 students Sports: 15 | Extracurrculars: 7 Tuition listed
Saint Joseph Academy
Saint Joseph Academy Photo
(Catholic)
(5)
101 Saint Joseph Drive
Brownsville, TX 78520
(956) 542-3581
Gr: 7-12 | 463 students Avg. class size: 18 students Sports: 13 | Extracurrculars: 23 Tuition & acceptance rate listed
St. Mary's Catholic School
St. Mary's Catholic School Photo
(Catholic)
405 Hollybrook Dr
Longview, TX 75605
(903) 753-1657
Gr: PK-12 | 145 students Avg. class size: 15 students Sports: 8 | Extracurrculars: 9 Tuition & acceptance rate listed
St. Mary's Catholic School
St. Mary's Catholic School Photo
(Catholic)
(3)
520 Washburn St
Taylor, TX 76574
(512) 352-2313
Gr: PK-12 | 269 students Avg. class size: 20 students Sports: 8 | Extracurrculars: 13 Tuition & acceptance rate listed
St. Pius X High School
(Catholic)
811 W Donovan St
Houston, TX 77091
(713) 579-7555
Gr: 9-12 | 534 students Tuition & acceptance rate listed
St. Thomas High School
St. Thomas High School Photo - Founded in 1900, St. Thomas High School is a Roman Catholic college preparatory school for young men in grades 9-12.
All-boys (Catholic)
(2)
4500 Memorial Drive
Houston, TX 77007
(713) 864-6348
Gr: 9-12 | 749 students Avg. class size: 18 students Sports: 12 Tuition listed
Notre Dame School of Dallas
Notre Dame School of Dallas Photo - Primary school friends in the gym.
Special Education School (Catholic)
(2)
2018 Allen St
Dallas, TX 75204
(214) 720-3911
Gr: 1-12 | 140 students Avg. class size: 10 students Sports: 10 | Extracurrculars: 5 Tuition listed
Our Lady Of The Hills Regional Catholic High School
Our Lady Of The Hills Regional Catholic High School Photo - Front of Building
(Catholic)
(4)
235 Peterson Farm Road
Kerrville, TX 78028
(830) 895-0501
Gr: 9-12 | 89 students Avg. class size: 11 students Sports: 11 | Extracurrculars: 7 Tuition & acceptance rate listed

Recent Articles

Exploring Private School Jobs 2025 – Opportunities & Insights
Exploring Private School Jobs 2025 – Opportunities & Insights
Discover updated trends for private school jobs in 2025, including hiring needs, roles, salaries and benefits for educators in independent schools.
Private School Survival Guide for Teachers (2025 Edition)
Private School Survival Guide for Teachers (2025 Edition)
Essential strategies and updates for teachers thriving in private school settings in 2025 — recruitment, culture, salary, trends and retention tips.
How to Search for Private Schools — 2025 Guide
How to Search for Private Schools — 2025 Guide
A practical 2025-update on how to search for private schools, cover tuition, demographics, enrollment trends and expert tips

Quick Links

SCHOOL SEARCH TOOLS:
SCHOOL BY TYPE (TX):
OPEN-HOUSES & JOBS:
PUBLIC & BOARDING SCHOOLS:
PRIVATE SCHOOL DATA:

Most Popular Articles

Why Private School?
Why Private School?
 School Rankings by Category
School Rankings by Category
Transferring from Public to Private School Mid-Year: What to Expect
Transferring from Public to Private School Mid-Year: What to Expect
 Changing Schools and Moving to New Area
Changing Schools and Moving to New Area
 What Private School Alumni Say a Decade Later
What Private School Alumni Say a Decade Later

More Articles

Strategic School Choices
Pathways to Elite Colleges
Timeless School Insights
Programs for Exceptional Learners
Leadership in Private Education