Type
Day
School
St. Mark's School of Texas
Siviq Rank#41Dallas, TX • Day
Day25 AP Courses
Enrollment
924
Student-Teacher Ratio
8:1
Admit Rate
90%
Reach
Limited Evidence
Narrative
Profile Notes
Summary
St. Mark’s School of Texas 2025–2026 profile: a nonsectarian, college-preparatory, independent day school for boys in grades 1–12 in Dallas, Texas, with 924 total students, 437 Upper School students, 110 seniors, an 8:1 student-faculty ratio, no class rank, weighted AP/Honors grading, and 25 AP-designated offerings listed in the Advanced Curriculum. College matriculations are reported for Classes of 2023–2025.
College Counseling
College Counseling Staff: Director Verónica Guzmán Pulido; Associate Director Josh Shandera; Coordinator Vanessa Leyva.
Advanced Coursework
Access to the full breadth of the Advanced Curriculum begins in the junior year; some courses are offered with an Honors track.
Matriculation Notes
College matriculations reported for Classes of 2023-2025.
Siviq Layer
Siviq Scores
Siviq Scores
Precomputed percentiles relative to similar schools. These scores are descriptive rather than judgmental.
Academic Program
89th percentile
Higher reported academic program than 89% of similar schools.
Combines advanced-course offerings, testing, and reported honors or IB signals.
Outcomes
83rd percentile
Higher reported outcomes than 83% of similar schools.
Based on reported college destinations in the current school profile.
Reach & Access
19th percentile
Higher reported reach & access than 19% of similar schools.
Combines geographic reach and reported access signals from the current school data.
Student Experience
20th percentile
Lower reported student experience than 20% of similar schools.
Lower student-teacher ratios score higher within each peer cohort.
Standardized Data
Profile
Profile
Overview
- Grades Served
- 1-12
- Day Enrollment
- 924
Profile
Admissions
- Admit Rate
- 90%
Profile
Academics
- AP Courses
- 25
- Honors Program
- Yes
Profile
Policies
- Class Rank Policy
- We do not rank students.
- Weighted Grades
- Yes
- Weighted Grades Policy
- Standard grades use A=4.00, B=3.00, C=2.00, D=1.00, F=0.00; AP or Honors use A=5.00, B=3.75, C=2.50, D=1.25, F=0.00.
Location Context
Nearest
Institutional Details
People & Credentials
Institutional
Leadership
Headmaster
David W. Dini
Head of Upper School
William Atkinson ’95
Institutional
Contacts
Director
Verónica Guzmán Pulido
Associate Director
Josh Shandera
Coordinator
Vanessa Leyva
Main School Contact
School Contact
10600 Preston Road, Dallas, Texas 75230-4047; www.smtexas.org; fax 214-346-8366
Institutional
School Codes
CEEB/ACT Code
441805
External References
Links
College Outcomes
Top Colleges
Search & Answers
St. Mark's School of Texas Frequently Asked Questions
What is the student-teacher ratio at St. Mark's School of Texas?
The current school profile reports a student-teacher ratio of 8:1 at St. Mark's School of Texas.
How many students are enrolled at St. Mark's School of Texas?
The current school profile reports about 924 students enrolled at St. Mark's School of Texas.
What grades does St. Mark's School of Texas offer?
St. Mark's School of Texas currently reports serving grades 1-12.
Where is St. Mark's School of Texas located?
St. Mark's School of Texas is located in Dallas, TX.
Is St. Mark's School of Texas a day school or a boarding school?
St. Mark's School of Texas is a private school.
Does St. Mark's School of Texas offer advanced placement (AP) courses?
Yes. The current school profile reports 25 AP courses at St. Mark's School of Texas.
Which colleges show up most often for St. Mark's School of Texas?
The current school profile highlights University of Texas at Austin as one of the top reported college destinations for St. Mark's School of Texas.
Does St. Mark’s rank students?
No. The school profile says St. Mark’s does not rank students.
When do students get access to the full Advanced Curriculum?
Access to the full breadth of the Advanced Curriculum begins in junior year. Some courses also offer an Honors track marked with an “H” on the transcript.
What are the Upper School graduation requirements?
Students must complete the equivalent of 18 full-year Upper School courses, plus 2.5 PE credits and 60 total hours of community service.
How many National Merit students were in the Class of 2025?
The Class of 2025 had 29 National Merit Semifinalists and 26 Finalists out of 102 seniors.
By Geography
Nearby Schools
By Similarity
Similar Schools
Provenance
Sources
| Source | Type | Checked | Metrics |
|---|---|---|---|
| 2025-2026 School Profile (PDF) Used for normalized profile metrics, school facts, FAQ answers, and school SEO metadata. Official source: www.smtexas.org/ftpimages/73/download/download_10228683.pdf | School Profile PDF | May 11, 2026 | AP Courses • Academic Rigor Category • Access Category • Admit Rate • Advanced Course Notes • Boarding Model • More normalized profile fields |
| St. Mark’s School of Texas | At A Glance www.smtexas.org/about-us/at-a-glance | Official Website Page | May 12, 2026 | AP Courses • Admit Rate |
| St. Mark’s School of Texas | From the Headmaster www.smtexas.org/about-us | Official Website Page | May 12, 2026 | Enrollment • Founded Year |
| Additional official source smtexas.myschoolapp.com/ftpimages/73/download/download_10228683.pdf | Official Linked File | Apr 06, 2026 | Day Enrollment • Honors Program • Student-Teacher Ratio |
| A Private Boys School in Dallas www.smtexas.org | Official Website Page | Apr 05, 2026 | Grades Served |
Sources & Data QualityMirrored artifacts, website inventory, and normalization review notes for this school profile.
Source Links
Known Website Addresses
| Role | URL | Method |
|---|---|---|
| official_website | www.smtexas.org/about/at-a-glance | supplemental_backfill |
| official_website | www.smtexas.org/about/facts | supplemental_backfill |
| official_website | www.smtexas.org/about/fast-facts | supplemental_backfill |
| official_website | www.smtexas.org/about/quick-facts | supplemental_backfill |
| official_website | www.smtexas.org/academics | supplemental_backfill |
| official_website | www.smtexas.org/admission | supplemental_backfill |
| official_website | www.smtexas.org/admissions | supplemental_backfill |
| official_website | www.smtexas.org/student-life | supplemental_backfill |
| official_website | www.smtexas.org/tuition-and-financial-aid | supplemental_backfill |
| St. Mark’s School of Texas | College Counseling | www.smtexas.org/academics/college-counseling | existing |
| 2025-2026 school profile PDF | www.smtexas.org/ftpimages/73/download/download_10228683.pdf | page_scan |
| St. Mark’s School of Texas | From the Headmaster | www.smtexas.org/about-us | supplemental_backfill |
| St. Mark’s School of Texas | At A Glance | www.smtexas.org/about-us/at-a-glance | supplemental_backfill |
| St. Mark’s School of Texas | Community, Inclusion and Diversity | www.smtexas.org/about-us/community-inclusion-and-diversity | supplemental_backfill |
| St. Mark’s School of Texas | From the Headmaster | www.smtexas.org/about-us/from-the-headmaster | supplemental_backfill |
| St. Mark’s School of Texas | Statement of Purpose | www.smtexas.org/about-us/statement-of-purpose | supplemental_backfill |
| St. Mark’s School of Texas | Tuition and Financial Aid | www.smtexas.org/admission/tuition-and-financial-aid | supplemental_backfill |
| School Profile (2025-2026) | www.smtexas.org/ftpimages/73/download/download_10228683.pdf | supplemental_backfill |
| supplemental_file | smtexas.myschoolapp.com/ftpimages/73/download/download_10228683.pdf | supplemental_backfill |
| Clarity Family Application Guide | www.smtexas.org/ftpimages/73/download/download_9181182.pdf | supplemental_backfill |
| Guía de Aplicación Para Las Familias | www.smtexas.org/ftpimages/73/download/download_9181183.pdf | supplemental_backfill |
| Official website | www.smtexas.org | existing |
| profile_pdf | smtexas.myschoolapp.com/ftpimages/73/download/download_10228683.pdf | page_scan |
| St. Mark’s School of Texas | History | www.smtexas.org/about-us/history | supplemental_backfill |
All Canonical Metrics
| Metric | Value | Evidence |
|---|---|---|
| Grades Served | 1-12 | St. Mark’s School of Texas is a nonsectarian, college-preparatory, independent day school for boys in grades one through twelve. |
| Lowest Grade | 1 | 1-12 |
| Highest Grade | 12 | 1-12 |
| Postgraduate Offered | - | 1-12 |
| Boarding Status | Day | St. Mark’s School of Texas is a nonsectarian, college-preparatory, independent day school for boys in grades one through twelve. |
| Boarding Status Code | day | Day |
| School Type | Private | St. Mark’s School of Texas is a nonsectarian, college-preparatory, independent day school for boys in grades one through twelve. |
| School Type Code | private | Private |
| Enrollment | 924 | The 2025–2026 school year began with 924 students enrolled. |
| Residential Enrollment | - | - |
| Day Enrollment | 924 | St. Mark’s School of Texas is a ... independent day school ... The 2025–2026 school year began with 924 students enrolled. |
| Student-Teacher Ratio | 8 | A student-faculty ratio of 8:1 fosters a close professional atmosphere in the classroom... |
| Founded Year | 1906 | Founded in 1906 |
| School Leadership | - | HEADMASTER David W. Dini [email protected] 214-346-8111 |
| Key Contacts | - | COLLEGE COUNSELING STAFF Director Verónica Guzmán Pulido [email protected] 214-346-8361 |
| Accreditations | - | - |
| School Codes | - | CEEB/ACT Code: 441805 |
| AP Courses | 25 | ADVANCED CURRICULUM lists AP Art History, AP Comparative Government & Politics, AP English Language & Composition, AP English Literature & Composition, AP European History, AP U.S. History, AP Macroeconomics, AP Microeconomics, AP U.S. Government & Politics, AP Ceramics, AP Biology, AP Calculus AB, AP Calculus BC, AP Chemistry, AP Computer Science A, AP Computer Science Principles, AP Environmental Science, AP Physics 1, AP Physics 2, AP Physics C, AP Statistics, AP Chinese Language & Culture, AP Latin, AP Spanish Language & Culture, and AP Spanish Literature & Culture. |
| Average Class Size | - | - |
| IB Program | - | - |
| Honors Program | Yes | On a departmental basis, some courses are offered with an Honors track, designated by an “H” on the transcript. |
| Advanced Course Notes | Access to the full breadth of the Advanced Curriculum begins in the junior year; some courses are offered with an Honors track. | To ensure all our students receive a rigorous and well-rounded foundational education in upper school, access to the full breadth of our Advanced Curriculum begins in the junior year. On a departmental basis, some courses are offered with an Honors track, designated by an “H” on the transcript. |
| Faculty Count | - | - |
| College Counseling Summary | College Counseling Staff: Director Verónica Guzmán Pulido; Associate Director Josh Shandera; Coordinator Vanessa Leyva. | COLLEGE COUNSELING STAFF Director Verónica Guzmán Pulido ... Associate Director Josh Shandera ... Coordinator Vanessa Leyva |
| Testing Policy | - | - |
| Testing Policy Code | - | - |
| Average SAT | - | - |
| Average ACT | - | - |
| Matriculation Summary | College matriculations reported for Classes of 2023-2025. | COLLEGE MATRICULATIONS Classes of 2023-2025 |
| Top Colleges | - | University of Texas at Austin 31 matriculations; Texas A&M University 17 matriculations; Southern Methodist University 15 matriculations; Brown University 13 matriculations; Stanford University 7 matriculations; University of Virginia-Main Campus 7 matriculations; Washington University in St Louis 7 matriculations; New York University 6 matriculations; Rice University 6 matriculations; Vanderbilt University 6 matriculations; Boston College 5 matriculations; Columbia University in the City of New York 5 matriculations; Harvard University 5 matriculations; Northwestern University 5 matriculations; University of Chicago 5 matriculations; Dartmouth College 4 matriculations; Duke University 4 matriculations; Johns Hopkins University 4 matriculations; Purdue University-Main Campus 4 matriculations; University of Miami 4 matriculations; University of Pennsylvania 4 matriculations; University of Southern California 4 matriculations; Cornell University 3 matriculations; University of Notre Dame 3 matriculations; Yale University 3 matriculations; Massachusetts Institute of Technology 2 matriculations; Princeton University 2 matriculations; University of Michigan-Ann Arbor 2 matriculations; University of Oxford 2 matriculations; Carnegie Mellon University 1 matriculation; Williams College 1 matriculation |
| States Represented | - | - |
| Countries Represented | - | - |
| Students of Color | - | - |
| International Students | - | - |
| Receiving Financial Aid | - | - |
| Tuition-Free Share | - | - |
| Applicants | - | - |
| Admitted | - | - |
| Matriculated | - | - |
| Admit Rate | 90 | acceptance rate 90% |
| Yield Rate | - | - |
| Class Rank Policy | We do not rank students. | GRADING AND COURSE POLICIES WE DO NOT RANK STUDENTS. |
| Class Rank Policy Code | - | We do not rank students. |
| Weighted Grades | Yes | Grading System Point Values: Grade A B C D F; 4.00 3.00 2.00 1.00 0.00; AP or Honors 5.00 3.75 2.50 1.25 0.00. |
| Weighted Grades Policy | Standard grades use A=4.00, B=3.00, C=2.00, D=1.00, F=0.00; AP or Honors use A=5.00, B=3.75, C=2.50, D=1.25, F=0.00. | Grading System Point Values: Grade A B C D F; 4.00 3.00 2.00 1.00 0.00; AP or Honors 5.00 3.75 2.50 1.25 0.00; Numerical Equivalence 90-100 80-89 70-79 60-69 0-59. |
| Disciplinary Reporting | - | - |
| Boarding Model | day_only | day_only |
| Selectivity Category | highly_selective | highly_selective |
| Academic Rigor Category | very_high | very_high |
| Testing Policy Category | not_reported | not_reported |
| College Counseling Category | established | established |
| Student Body Reach Category | limited_evidence | limited_evidence |
| Access Category | limited_evidence | limited_evidence |
| Outcome Category | exceptional_outcomes | exceptional_outcomes |
| Signals | - | Profile identifies St. Mark's as an independent day school for boys in grades 1-12; 924 students enrolled, all reported as day enrollment.; Admission pressure metrics are not reported, but Class of 2026 testing is very strong: SAT mid-50% 1455-1555 and ACT mid-50% 33-35.; Class of 2025 had 29 National Merit Semifinalists and 26 Finalists out of 102 seniors.; Academic program reports 25 AP-designated offerings, Honors tracks in some courses, weighted AP/Honors grading, and Advanced Curriculum access beginning in junior year.; AP performance is very strong: 860 AP exams in 2025 and 98% of AP students earning scores of 3+.; Testing policy for college counseling/admission is not reported in the supplied evidence.; College counseling has dedicated staff: Director, Associate Director, and Coordinator.; Student-body geographic breadth is not reported: states represented and countries represented are both not reported.; Financial-aid participation is not reported: receiving-aid percent and tuition-free share are both not reported.; College matriculations are reported for Classes of 2023-2025, with placements including UT Austin, Brown, Stanford, Harvard, Columbia, University of Chicago, Dartmouth, Duke, Johns Hopkins, Penn, Yale, MIT, Princeton, Oxford, and Williams. |