Head of School

We are pleased to announce that Indian Mountain School has selected Lisa Sun to serve as its head of school effective July 1, 2025.

Lisa Sun brings 30 years of experience as an educator and leader in public, independent day and boarding schools from Pre-K through Grade 12, most recently as Head of School at The Philadelphia School (TPS), a Pre-K through Grade 8 school in Pennsylvania. During Lisa’s time as head of The Philadelphia School, she demonstrated exceptional leadership in strategic planning and execution, including leading successful initiatives to improve retention and experience for students, faculty and staff. Working closely with her team and the Board of Trustees, Lisa also led the largest and most ambitious capital campaign in her school’s history, securing the stability of the school’s finances and physical plant.

Prior to Lisa’s headship at The Philadelphia School, Lisa moved from the classroom into administration as the first Diversity, Equity and Inclusion director at Nashoba Brooks School. At the same time, she and her husband worked as dormitory parents at Concord Academy and The Walnut Hill School. Lisa went on to hold numerous teaching and administrative leadership positions at The Park School of Baltimore. She holds a bachelor’s of fine arts degree from the University of Illinois Urbana-Champaign and a master’s of education from Lesley University.

For more information, please refer to the press release here.

Katie Rockman and Elizabeth Weithman led this search with Gigi Mensah and Maria Connor.