How to get into St. Mark's School of Texas
Dallas, TX Grades 1–12 · DayMost selective
St. Mark's School of Texas is a most selective day school in Dallas, TX, serving grades 1–12. Applicants typically take the ISEE or SSAT. Below is the admission test, the application timeline, and how to prepare.
Tuition: varies by grade and program. This figure is approximate and changes every year — always confirm current tuition and financial aid on St. Mark's School of Texas's official site.
Required admission tests
ISEE — Independent School Entrance Exam
Grades 2–12 (Primary / Lower / Middle / Upper) · Stanine 1–9 (no penalty for wrong answers)
Prep for the ISEE with iPrepGeniusSSAT — Secondary School Admission Test
Grades 3–11 (Elementary / Middle / Upper) · Percentile vs. same-grade applicants; penalty for wrong answers (guess wisely)
Prep for the SSAT with iPrepGeniusApplication deadlines
These are typical windows that change each year — confirm current dates on St. Mark's School of Texas's official admissions page.
How to prepare
- Start with a free diagnostic to find your child's strengths and gaps on the ISEE or SSAT.
- Practice every section with adaptive, verified questions.
- Take full-length, section-timed simulations to build pacing and stamina.
- Track a readiness percentile and follow a weekly study plan up to the deadline.
Build your St. prep plan
Diagnostic → adaptive practice → simulations → readiness score. Start free.
Start freeiPrepGenius is an independent study resource, not affiliated with or endorsed by St. Mark's School of Texas or any test publisher. School details are a starting guide — verify current requirements with the school.