Faculty & Staff

Our teachers are international leaders in research-informed teaching - and they bring their knowledge to each student, each class, each day. At St. Andrew's, you'll know your child is learning with exceptional teachers who have the resources and desire to continually improve their craft.

Through The Center for Transformative Teaching and Learning, our innovative faculty collaborates with renowned university researchers to put into practice groundbreaking science on how we think, learn, and feel. This opportunity - unique in the nation - draws the best talent right here to St. Andrew's. Take a look at some of our faculty facts below, then use the search box to search for a faculty or staff member by division.


List of 5 items.

  • 10

    years average tenure at St. Andrew's
  • 100

    faculty members
  • 100%

    of faculty are trained in Mind, Brain, and Education Science
  • 6:1

    student-faculty ratio
  • 68%

    of Upper and Middle School faculty hold advanced degrees

Faculty Directory

  • Photo of David Brown
    Mr. David P. Brown
    Associate Head of School, Academic Dean Class of 2026, Math Teacher
    301-983-5200
    Cornell - B.S.
    University of Maryland, College Park - M.Ed.
  • Photo of Tracey Goodrich
    Ms. Tracey L. Goodrich
    Visual Arts and Math Teacher
    240-477-1873
    Dickinson College - B.A.
  • Photo of John McMillen
    Mr. John S. McMillen
    Math Teacher
    240-477-1845
    Longwood College - B.A.
    Johns Hopkins University - M.Ed.
  • Photo of Corey Null
    Corey Null
    Math Teacher
    240-477-1870
    University of California, Santa Cruz - B.A.
    The George Washington University - M.A.
  • Photo of Gregg Ponitch
    Gregg Ponitch
    Math Teacher; Assistant Boys Varsity Soccer Coach
    240-477-1835
    University of Illinois - B.A.
    Loyola University - M.B.A.
  • Photo of David Sheridan
    David Sheridan
    Math Teacher
    240-821-9126
  • Photo of Matthew Stanger
    Matthew Matthew Stanger
    Math/Physics Teacher
    240-477-1848
    Dickinson College - B.S.
  • Photo of Paul Ternes
    Paul Ternes
    Math Department Head; Math Teacher; Head MS Track Coach
    240-477-1859
    Beloit College - B.A.
  • Photo of Jordan Yonce
    Jordan Yonce
    AP Music Theory, Performing Arts & Mathematics Teacher (Former Dept Chairs 2016-2018; 2018-2024)
    240-477-1820
    University of Virginia - Bachel of Arts (Distinguished Major)
    Shenandoah Conservatory - Masters in Music Education




St. Andrew’s Episcopal School is a private, coeducational college preparatory day school for students in preschool (Age 2) through grade 12, located in Potomac, Maryland.