
Mary F. Seppala
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
Education
- 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

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Professional Experience
- Educators’ Collaborative, Partner, 2003 – present
- Middlesex School, MA; Head of School, 1990 – 2003
- University of Massachusetts at Amherst; Vice Chancellor for University Relations and Development, 1983 – 1990; Assistant Chancellor, 1982 – 1983; Dean of Academic Support Services, 1981 – 1982; Dean of Admissions, 1979 – 1981; Director of Freshman Admissions, 1978 – 1979
- State University of New York at Stony Brook; Assistant Director of Admissions, 1974 – 1978
- Western Michigan University; Admissions Counselor, 1973 – 1974
Education
- University of Rochester, B.A. Philosophy, cum laude, 1965
- University of Rhode Island, M.A., English, 1968
- Tufts University, Teaching Assistant, Ph.D. English, 1976
- Klingenstein Visiting Fellow, Teachers College, Columbia University, 1996
Professional Affiliations
- The Louis August Jonas Foundation, 2009 – 2014
- Headmaster’s Association, 1993 – present
- Head Mistresses Association of the East, 1990 – present
- National Association of Principals of Schools for Girls, 1990 – present
- Falmouth Academy; Board of Trustees; 2003 – 2009
- Fay School; Board of Trustees; 2003 – 2009
- Council for the Advancement and Support of Education; Board of Trustees; 1993 – 2003
- Educational Records Bureau, Board of Trustees, 1996 – 2003
- Emerson Hospital, Board of Trustees, 1996 – 2003
- NEASC, Commission on Independent Schools, 1994 – 1995
- AISNE, Board of Trustees, 1992 – 1995
- The Martha’s Vineyard Museum, Board of Directors, 2007 – 2010
- The College Board, 1983 – 1987