St. Thomas High School Photo #5 - At St. Thomas, young men find their fit, develop brotherhood, and form connections that last a lifetime.

St. Thomas High School

St. Thomas High School is a Roman Catholic college preparatory school for young men in grades 9-12. The school was founded by the Basilian fathers in the spring of 1900 with the mission to provide secondary education strongly rooted in the teachings of the Catholic faith.
Teaching of Goodness, Discipline, and Knowledge is the tradition of the Basilian Fathers and the sacred mission of St. Thomas (STH). These three words emulate the STH experience for students, faculty, and families.
Throughout the four years of high school, STH boys grow into men who think critically, communicate effectively, serve faithfully, and are prepared to excel in college and life.

Quick Stats (2024-25)

  • Top Ranked TX School
  • Grades: 9-12
  • Enrollment: 749 students
  • Yearly Tuition: $25,550
  • Average class size: 18 students
  • Application Deadline: Jan. 15 / rolling
  • Source: Verified school update

Top Rankings

St. Thomas High School ranks among the top 20% of private schools in Texas for:

Category
Attribute
Sports offered
School History

School Overview

Religious Affiliation
Grades Offered
Grades 9-12
ADD/ADHD Support
Yes
Learning Difference Programs
Yes
Year Founded
1900
Summer School Offered
Yes
Summer Program Details

Student Body

Total Students
749 students
Student Body Type
% Students of Color
43%
State avg.: 41%
Students by Grade
St. Thomas High School Student By Grade

Academics and Faculty

Total Classroom Teachers
83 teachers
Student : Teacher Ratio
9:1
National avg.: 13:1
% Faculty w/Advanced Degree
72%
Average Class Size
18 students
Number of AP Courses
19 courses
List of Courses Offered
Advanced Courses
Advanced Philosophy - dual credit with University of St. Thomas, Advanced Scripture - dual credit with University of St. Thomas, Biology, Calculus AB and BC, Chemistry, Computer Science, Computer Science Principles, English Composition, English Language, English Literature, Environmental Science, French, Latin, Local Government - dual credit with University of St. Thomas, Music Theory, Physics, Spanish, Statistics, US Government, US History, World History
Average SAT score
1270
(Out of 1600)
Average ACT score
27
(Out of 36)
Matriculation DataMatric. Data
Classroom Dress Code
Casual
Dress pants, collared shirt, dress shoes

Tuition and Acceptance Rate

Admission Deadline
Jan. 15 / rolling
Yearly Tuition Cost
% on Financial Aid
30%
Admissions Director
Maxwell Holmes
Admissions Associate
Claudia Walker
Endowment Size
$15 million

Sports

School Notes

  • For more than a century, St. Thomas High School has provided young men in the Houston area with a Catholic, college-preparatory education; while cultivating skills necessary for navigating life beyond graduation. Graduates are admitted to the nation's highest-ranking universities and often into the student's first choice for higher education.
  • Ranked a top 10 Catholic high school in Texas, St. Thomas High School's tradition of academic excellence and growth in faith and character, extends to all facets of the school environment. St. Thomas applies a standard of excellence that benefits students across a broad spectrum of interests and ambitions.
  • For generations, the school`s tradition of brotherhood has meant a lifelong connection with mentors, job opportunities, career advancements, and treasured friendships.
Source: Verified school update

Frequently Asked Questions

How much does St. Thomas High School cost?
St. Thomas High School's tuition is approximately $25,550 for private students.
What schools are St. Thomas High School often compared to?
St. Thomas High School is often viewed alongside schools like Strake Jesuit College Prep School by visitors of our site.
Does St. Thomas High School offer a summer program?
Yes, St. Thomas High School offers a summer program. Visit their summer school page for more information.
What sports does St. Thomas High School offer?
St. Thomas High School offers 12 interscholastic sports: Baseball, Basketball, Cross Country, Football, Golf, Lacrosse, Rugby, Soccer, Swimming, Tennis, Track and Field and Wrestling. St. Thomas High School is ranked as one of the top 20% of private schools in Texas for most sports offered.
What is St. Thomas High School's ranking?
St. Thomas High School ranks among the top 20% of private schools in Texas for: Largest student body, Most AP courses offered, Most sports offered and Oldest founding date.
When is the application deadline for St. Thomas High School?
The application deadline for St. Thomas High School is Jan. 15 / rolling (applications are due on Jan. 15 but additional applications are reviewed year-round as space permits ).
In what neighborhood is St. Thomas High School located?
St. Thomas High School is located in the Washington Avenue Coalition And Memorial Park neighborhood of Houston, TX. There are 3 other private schools located in Washington Avenue Coalition And Memorial Park.

School Reviews

  5.00 out of 5  (2 reviews)
5  
St. Thomas has been an excellent school for my 3 boys. My oldest son felt very well prepared for college. My middle son feels supported and cared for by his coaches, teachers, and the school faculty. My youngest son has been excelling in his Advanced classes. There is a place for everyone at STH.
- Posted by
5  
Great academic school with many opportunities for students to enrich all parts of their life. The brotherhood is above all other schools!
- Posted by

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Quick Stats (2024-25)

  • Top Ranked TX School
  • Grades: 9-12
  • Enrollment: 749 students
  • Yearly Tuition: $25,550
  • Average class size: 18 students
  • Application Deadline: Jan. 15 / rolling
  • Source: Verified school update

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Did You Know?

The average private school tuition in Houston, TX is $15,838 for elementary schools and $19,054 for high schools (read more about average private school tuition across the country).
The average acceptance rate in Houston, TX is 79% (read more about average acceptance rates across the country).

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