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Mary Grassa O'Neill

Senior Lecturer on Education
Faculty Director, School Leadership
Mary Grassa O'Neill

Degree:  Ed.D., University of Massachusetts, (1990)
Email:  [javascript protected email address]
Phone:  617.496.6850
Office:  Gutman 431
Office Hours Contact:  Email the Faculty Member
Faculty Assistant:  Talicha Vaval


Mary Grassa O'Neill just stepped down from her position as Secretary of Education and Superintendent of the Archdiocese of Boston (a system of 121 schools and 41,000 students), a position she has held since 2008. From 2004 to 2008, Grassa O'Neill served as Managing Director of Programs in Professional Education (PPE) at the Harvard Graduate School of Education (HGSE). Prior to joining HGSE, she served for ten years as Superintendent of the Milton Public Schools (1993-2003). Prior to that she was a teacher, curriculum advisor, principal and zone superintendent in the Boston Public Schools (1968-1993). She has deep ties to practice in Boston and other neighboring communities, and is established in major professional networks related to school leadership in Massachusetts and beyond. She is a board member of the Massachusetts School Building Authority, the Boston College Roche Center and several school boards. Mary holds an Ed.D. in Instructional Leadership from the University of Massachusetts Amherst (1990) and has won many honors and awards for her contributions to education.During her time at HGSE, Grassa O'Neill provided exceptional leadership through a strong turnaround period for PPE, shepherding its merger with The Principals' Center (TPC) in late 2004 and managing impressive growth in revenues and programs. In addition to her administrative leadership, Mary brought her track record as an extraordinary educator to the programmatic side of professional education at HGSE, serving as the faculty education chair for several institutes. She also held a secondary faculty appointment as Lecturer on Education. For several years she taught the year-long required practicum course for the students seeking principal licensure through the School Leadership Program.

Click here to see a full list of Mary Grassa O'Neill's courses.

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