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St. Mark's School Of Texas Photo #0 - St. Mark's School of Texas campus

St. Mark's School Of Texas

10600 Preston Road
Dallas, TX 75230
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St. Mark's School Of Texas Photo #1 - St. Mark's School of Texas campus
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St. Mark's School Of Texas Photo #1 - St. Mark's School of Texas campus
As a college preparatory institution, St. Mark's School of Texas prepares boys and young men for each successive step of their academic careers.
It is our mission to educate the "whole boy," providing each of our students with the tools necessary to be successful in and out of the classroom.
Additionally, as a boys' school we are able to address clearly and directly the particular characteristics and learning needs that boys exhibit.
Our highly qualified and outstanding faculty has carefully crafted a rich and varied curriculum aimed at helping students acquire knowledge and develop critical thinking and problem-solving skills.
Teachers make sure that students go well beyond simply learning the facts. Marksmen read, write, and think critically across the arts and sciences and at all grade levels.
The School's major objective is to prepare young men for lives of responsibility and leadership in a competitive and ever-changing world.
To this end, we profess and uphold certain values including integrity, honor, courage, acceptance of responsibility for one's actions, the ability to defer gratification in pursuit of one's goals, service to the broader community, and commitment to working with others to make a difference on campus and in the world.

Quick Facts (2025-26)

  • Top Ranked TX School
  • Grades: 1-12
  • Enrollment: 924 students
  • Yearly Tuition: $35,683
  • Acceptance rate: 20%
  • Average class size: 15 students
  • Application Deadline: None / Rolling
  • Source: Verified school update

Top Rankings

St. Mark's School Of Texas ranks among the top 20% of private schools in Texas for:

Category
Attribute
Sports offered
School History
School Resources

School Overview

Religious Affiliation
Grades Offered
Grades 1-12
Year Founded
1906
Colors
Blue, Gold
School Calendar
Campus Size
42 acres

Student Body

Total Students
924 students
Student Body Type
% Students of Color
53%
State avg.: 41%
Students by Grade
St. Mark's School Of Texas Student By Grade

Academics and Faculty

Total Classroom Teachers
101 teachers
Student-Teacher Ratio
9:1
National avg.:
Average Class Size
15 students
Number of AP Courses
25 courses
List of Courses Offered
Matriculation DataMatric. Data
Classroom Dress Code
Casual
Uniform - grey shorts, white oxford shirt

Tuition and Acceptance Rate

Admission Deadline
None / Rolling
Yearly Tuition Cost
Acceptance Rate
20%
National avg.: 81%
College Acceptance Rate
100%
Application URL
Endowment Size
$181 million

Sports

School Notes

  • School Motto: 'Courage and Honor'
  • School Mascot: Lion
  • As a college preparatory institution, St. Mark's School of Texas prepares boys and young men for each successive step of their academic careers.
  • It is our mission to educate the "whole boy," providing each of our students with the tools necessary to be successful in and out of the classroom.
  • Additionally, as a boys' school we are able to address clearly and directly the particular characteristics and learning needs that boys exhibit.
  • Our highly qualified and outstanding faculty has carefully crafted a rich and varied curriculum aimed at helping students acquire knowledge and develop critical thinking and problem-solving skills.
  • Teachers make sure that students go well beyond simply learning the facts. Marksmen read, write, and think critically across the arts and sciences and at all grade levels.
  • The School's major objective is to prepare young men for lives of responsibility and leadership in a competitive and ever-changing world.
  • To this end, we profess and uphold certain values including integrity, honor, courage, acceptance of responsibility for one's actions, the ability to defer gratification in pursuit of one's goals, service to the broader community, and commitment to working with others to make a difference on campus and in the world.
Source: Verified school update

Frequently Asked Questions

How much does St. Mark's School Of Texas cost?
St. Mark's School Of Texas's tuition is approximately $35,683 for private students.
What is the acceptance rate of St. Mark's School Of Texas?
The acceptance rate of St. Mark's School Of Texas is 20%, which is lower than the national average of 83%. St. Mark's School Of Texas's acceptance rate is ranked among the top private schools in Texas with low acceptance rates.
What sports does St. Mark's School Of Texas offer?
St. Mark's School Of Texas offers 16 interscholastic sports: Baseball, Basketball, Cheering, Crew, Cross Country, Fencing, Football, Golf, Lacrosse, Soccer, Swimming, Tennis, Track and Field, Volleyball, Water Polo and Wrestling. St. Mark's School Of Texas is ranked as one of the top 20% of private schools in Texas for most sports offered.
What is St. Mark's School Of Texas's ranking?
St. Mark's School Of Texas ranks among the top 20% of private schools in Texas for: Lowest average acceptance rates, Largest student body, Most AP courses offered, Most sports offered, Oldest founding date and Largest endowments.
When is the application deadline for St. Mark's School Of Texas?
The application deadline for St. Mark's School Of Texas is rolling (applications are reviewed as they are received year-round).
In what neighborhood is St. Mark's School Of Texas located?
St. Mark's School Of Texas is located in the Preston Hollow neighborhood of Dallas, TX. There are 3 other private schools located in Preston Hollow.

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Quick Facts (2025-26)

  • Top Ranked TX School
  • Grades: 1-12
  • Enrollment: 924 students
  • Yearly Tuition: $35,683
  • Acceptance rate: 20%
  • Average class size: 15 students
  • Application Deadline: None / Rolling
  • Source: Verified school update

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Did You Know?

The average private school tuition in Dallas, TX is $16,725 for elementary schools and $20,816 for high schools (read more about average private school tuition across the country).
The average acceptance rate in Dallas, TX is 75% (read more about average acceptance rates across the country).

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