Meet the Team

Bill Newman

Assistant Head for Enrollment & Placement


Email: bnewman@hillsideschool.net
Phone: (508) 485-3483

Bill Newman

Bill Newman serves as Hillside School's Assistant Head for Enrollment and Placement. He brings more than 20 years of experience in independent school enrollment and financial aid to his work with current and prospective Hillside students. Bill holds an M.A. in Education Administration from Teachers College, Columbia University, a B.A. in English and Art History from Sarah Lawrence College, and a B.F.A. from the Portland School of Art. He is committed to enrolling a diverse student body, designing quality programs for international students, and stewarding families through the admission process with compassion and dedication. Bill, an avid skier, lives on campus in Emerson House.



Sean Hayes

Director of Admission


Email: shayes@hillsideschool.net
Phone: (508) 303-5709

Sean Hayes

Sean joined the Admission Office in 2013 as the Senior Associate Director of Admission. He is a graduate of Tufts University where he earned a B.A. in Liberal Arts after attending St. Mark's School. Sean previously served as the Associate Director of Admission and Athletic Liaison at Becker College. Prior to that, Sean worked at The Winchendon School as a teacher, coach and advisor and spent his last three years there as the Associate Director of Admissions.



Jennifer Lagor

Associate Director of Admission

Email: jlagor@hillsideschool.net
Phone: (508) 481-0287




David Mountcastle

Director of Secondary School Placement and Associate in Admission

Email: dmountcastle@hillsideschool.net
Phone: (508) 303-5727


David joined Hillside at the beginning of the 2019-20 school year. He is the Director of Secondary School Placement, and he assists with some admissions work, as well. David earned his B.A. from Bowdoin College after graduating from St. Mark’s School. He has over 17 years of administrative experience at independent schools, including at The Cambridge School of Weston and The Fenn School. David finds it especially rewarding to help students discover schools that are authentic fits on their educational journeys.



Nancy Hart

Administrative Assistant in Admission

Email: nhart@hillsideschool.net
Phone: (508)-485-3483