Mary Seppala

Mary F. Seppala

About Mary

Mary Seppala is an educator with forty-four years of experience in public, international and independent schools. Mary’s experience is broad having taught and administered regular education and special education from Pre-K to the college level. She has been an elementary teacher and counselor, a high school counselor, a district special education administrator, a district superintendent, an international school head and an independent school head.

After completing a long tenure in public education in the United States and abroad, Mary was the first woman and first American to become Head of School at Munich International School. Most recently Mary has been 12th Head of School at The Agnes Irwin School in Bryn Mawr, Pennsylvania where she completed a 40 million dollar campaign and established an education research center.

Mary holds a B.S. in Education, an M.Ed. in Counseling and an Ed.D in Student Development. She has served as an International Baccalaureate Association (IBO) Regional Advisory Council Member for Europe, Africa and the Middle East, a Board Member for the Association of German International Schools, a member of the Northeast Lab Regional Superintendents at Brown, University and Massachusetts Superintendent’s Association.

Having extensive experience in recruiting staff at multiple levels across the United States, Europe and Asia, Mary is also experienced in strategic planning, program development, executive coaching, contract negotiations, school climate assessments, mediation, crisis response and risk management.

Professional Experience

  • The Agnes Irwin School 2009-2014
    Head of School
    Bryn Mawr, PA
  • Munich International School 2005-2009
    Head of School
    Munich, Germany
  • Lee-Tyringham School District 2002-2005
    Superintendent of Schools
    Lee, MA
  • Amherst-Pelham Regional School District 1980-2002
    District Special Education Administrator 1985-2002
    High School Counselor 1980-1985
    Amherst, MA
  • University of Massachusetts 1996-2000
    Instructor, School of Education
    Amherst, MA
  • Department of Defense Overseas Schools 1974-1978
    Administrator, Teacher
    Germany, Turkey, Greece
  • Central Berkshire Regional School District 1971-1974
    Teacher, Counselor
    Dalton, MA


  • Massachusetts College of Liberal Arts
    B.S. Education
  • Massachusetts College of Liberal Arts
    M.A. Counseling
  • University of Massachusetts
    Ed.D., Student Development

Professional Affiliations

  • Headmistresses of the East
  • The Head’s Network
  • National Coalition of Girls’ Schools
  • National Association of Independent Schools
  • Pennsylvania Association of Independent Schools
  • Regional Advisory Board Member for Europe, Africa and the Middle East, IBO Geneva
  • Association for the Advancement of International Schools
  • Association of German International Schools, Board Member
  • The Education Alliance, Brown University
  • US Department of Education High School Initiative, invited member
  • Massachusetts Association of School Superintendents
  • Harvard Superintendent’s Roundtable