• Photo of William Atkinson
    William Atkinson '95
    Head of Upper School
    Appointed in 2021
    214-346-8110
    Southern Methodist University - B.A.
    Southern Methodist University - Masters of Education
    About
     
    A 1995 graduate of St. Mark’s, William Atkinson ’95 joined the faculty as a Humanities teacher before being appointed Head of Upper School. A participant in the Pecos Wilderness program, he is also an assistant varsity football football coach and assists with assorted Middle School sports. He holds bachelor’s and master’s degrees from Southern Methodist University. After graduating from St. Mark’s, Atkinson attended West Point for two years before pursuing a career in law enforcement, teaching situational awareness to elite military personnel around the world. An accomplished artist, his work is exhibited in professional art galleries on the east and west coasts and Europe.
  • Photo of Lorraine Inzar
    Yvette Inzar
    Assistant to the Head of Upper School and Registrar
    Appointed in 2023
    214-346-8119
    State University of New York College at Oswego - B.B.A.
  • Photo of Paul Mlakar
    Paul Mlakar
    Director of Academic Information Systems; Math Department
    Appointed in 2003
    214-346-8451
    Ohio State University - B.S.
    University of Houston - M.A.
    About
     
    Paul Mlakar is the director of Academic Information Systems and a member of the Mathematics Department, where he teaches AP calculus courses to junior and senior students. Beginning his St. Mark’s career in 2003, he also serves as scheduler for Upper and Middle Schools and coaches the Upper School Academic Quiz Bowl team. He earned a Master of Education degree in curriculum and instruction from the University of Houston after earning a Bachelor of Science degree in mathematics education from The Ohio State University. Mlakar has worked in various aspects of education throughout his career, first as a high school math teacher in Pasadena, TX followed by an education specialist position at the Space Center in Houston, the visitor center for NASA’s Johnson Space Center. He left that position to serve as an education specialist at the Region IV Education Service Center in Houston, where he provided training and professional development to math teachers. He has authored numerous mathematics curricula for geometry, algebra II, and mathematical modeling.
  • Photo of Leila Wright
    Leila Wright
    Administrative Assistant to the Assistant Head of Upper School
    Appointed in 2022
    214-346-8107
    University of Texas at Austin - B.A.
    About
     
    As a member of the Upper School office, Leila Wright joined the St. Mark’s staff in 2022 as assistant to the head of Upper School and registrar. She earned a bachelor’s from the University of Texas at Austin. Before joining St. Mark’s, Wright worked at a non-profit focused on providing extracurricular opportunities to students and was part of the Dallas Independent School District’s Teacher Excellence Initiative team. She also taught math in Oak Cliff as part of the Teach for America program. Wright founded Girls Rock Dallas, a summer music program for girls and young women.

St. Mark’s School of Texas

10600 Preston Road
Dallas, TX 75230

Main School Number
(214) 346-8000

Upper School Office
(214) 346-8107

Middle School Office
(214) 346-8103

Lower School Office
(214) 346-8210

Admission Office
(214) 346-8700

Development Office
(214) 346-8800

Business Office
(214) 346-8117

St. Mark’s School of Texas

10600 Preston Road
Dallas, Texas 75230
214-346-8000

About Us

St. Mark’s School of Texas is a private, nonsectarian college-preparatory boys’ day school for students in grades 1 through 12, located in Dallas, Texas. St. Mark’s aims to prepare young men to assume leadership and responsibility in a competitive and changing world.

St. Mark’s does not discriminate in the administration of its admission and education policies on the basis of race, color, religion, sexual orientation, or national or ethnic origin.