St. Thomas High School

Rooted in a century-long tradition of excellence, the Basilian Fathers, lay faculty and staff of St. Thomas High School, with support from parents, actualize our motto, "Teach me Goodness, Discipline, and Knowledge," in an interactive place of teaching and learning.
We provide a challenging intellectual atmosphere and well-rounded formation, which support the development of moral character and prepare students to be successful in a technologically and globally oriented society.
Faithful to the mission of the Catholic Church, the school community seeks to actively share Christ's message in all endeavors, promote social justice through service to those in need, and uphold the uniqueness and dignity of all.

Quick Stats (2021)

  • Top Ranked TX School
  • Grades: 9-12
  • Students: 624 students
  • Yearly Tuition: $19,720
  • Average class size: 18 students
  • Application Deadline: Jan. 15 / rolling

Top Rankings

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

Sports offered
School History

School Overview

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

Student Body

Total Students
624 students
Student Body Type
% Students of Color
State avg.: 40%
Students by Grade
St. Thomas High School Student By Grade

Academics and Faculty

Total Classroom Teachers
69 teachers
Student : Teacher Ratio
National avg.: 13:1
% Faculty w/Advanced Degree
Average Class Size
18 students
Number of AP Courses
19 courses
List of Courses Offered
Advanced Courses
Biology, Calculus AB and BC, Chemistry, Computer Science, Computer Science Principles, English Composition, English Language, English Literature, Environmental Science, French, Latin, Music Theory, Physics, Spanish, Statistics, US Government, US History, World History
Average SAT score
Average ACT score
Matriculation DataMatric. Data
Classroom Dress Code
(Dress pants, collared shirt, dress shoes)

Tuition and Acceptance Rate

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


School Notes

  • For more than a century, St. Thomas High School has continued to provide young men in the Houston area with a competitive, Catholic, college-preparatory education; while cultivating the skills necessary for helping them successfully navigate life beyond graduation.  Its graduates are admitted to the nation`s highest-ranking universities with a strong foundation for academic success; and, most importantly, often into the student`s first choice for higher education. 
  • Ranked a top 10 Catholic high school in Texas, and founded on a dedication to education defined by the Basilian Order, St. Thomas High School`s tradition of academic excellence, fulfillment of character, and growth in faith extends to all facets of the school environment.   From the achievements of its athletic programs, to nurturing talent in the arts, 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. 
Profile last updated: 05/26/2021

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Quick Stats (2021)

  • Top Ranked TX School
  • Grades: 9-12
  • Students: 624 students
  • Yearly Tuition: $19,720
  • Average class size: 18 students
  • Application Deadline: Jan. 15 / rolling

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Did You Know?

The average private school tuition in Houston, TX is $13,039 for elementary schools and $15,969 for high schools (read more about average private school tuition across the country).
The average acceptance rate in Houston, TX is 83% (read more about average acceptance rates across the country).

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