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day
boys
1-12

St. Mark's School of Texas

Dallas, Texas

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Financials

Source year 2026-2027 · Tuition source · Verified August 14, 2026
Day tuition (2026-2027)
$41,856
Boarding tuition (2026-2027)
—
Financial aid
20% of students
Enrollment
890
Student:Teacher
8:1
Founded
1906
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Can you actually afford this? Claire works out what St. Mark's School of Texas costs your family after aid — and whether it fits your child.

What St. Mark's School of Texas actually costs

Estimates — verify with the school

Published tuition is only part of the picture. This projection adds the costs families actually pay (tuition source year 2026-2027), with ~4%/yr tuition inflation.

Program
Years attending
Expected financial aid0% of tuition

20% of students at this school receive aid. Use the school's net price calculator for your family's real number.

Year 1 real cost
$46,256
vs $41,856 published tuition
4-year total
$196,147
incl. $18,408 beyond tuition
Hidden costs per year
  • Books, laptop & course materials$800
  • Athletics gear & team fees$900
  • Activities, trips & event fees$1,200
  • Daily transportation$1,500

About

St. Mark's School of Texas is an all-boys 1-12 independent day school on a 42-acre campus in Dallas. Formed in 1950 from the merger of the Texas Country Day School and the Cathedral School for Boys, St. Mark's is known for a rigorous classical curriculum, strong STEM programs, and a robust community-service tradition.

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Is St. Mark's School of Texas right for your child?

Claire has read every school we track. Ask her how this one matches your child's strengths, your budget, and what to ask on visit day.

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Common questions

How much is tuition at St. Mark's School of Texas?
At St. Mark's School of Texas, day tuition is $41,856 per year (2026-2027). The figure comes from the school's own published tuition page.
Does St. Mark's School of Texas offer financial aid?
Yes. 20% of students at St. Mark's School of Texas receive financial aid (2026-2027). Award sizes vary by family income and assets, so the published tuition is not what every family pays.
What grades does St. Mark's School of Texas serve?
St. Mark's School of Texas serves grades 1-12.
Is St. Mark's School of Texas a boarding or day school?
St. Mark's School of Texas is a day school. It is a boys school.
How many students attend St. Mark's School of Texas?
St. Mark's School of Texas enrolls about 890 students.
Where is St. Mark's School of Texas located?
St. Mark's School of Texas is located in Dallas, Texas.

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