About
Leadership, Faculty & Staff
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Ms. Lauren Hill, Mr. Joshua Tranfaglia, Dr. Michael Nicholson, Dr. Jacob Conca, Dr. Stephen Dacey, Dr. Jay McGilvray, and Mr. John Guinan
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Xaverian Leadership
List of 7 items.
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Dr. Jacob Conca '94, Head of School
Dr. Jacob Conca became Xaverian Brothers High School's first layperson Head of School in 2019. As a 1994 graduate of Xaverian and an employee at Xaverian Brothers Sponsored Schools since 2003, Dr. Conca has a sincere appreciation for and thorough understanding of the Xaverian mission and values. He served as Dean of Students at Xaverian from 2003-2007, Principal of Saint John's High School from 2007-2016, and Principal of Xaverian from 2016-2019 before being appointed Head of School. His background also includes extensive teaching and coaching experience.
Dr. Conca holds a bachelor's degree from Amherst College, an M.Ed. from Providence College, and a Ph.D. from Boston College. In addition to his work at Xaverian, he serves on the Board of Trustees at Xavier High School in Connecticut and at Notre Dame Academy in Hingham. -
Dr. Michael Nicholson, P '29, Principal
Dr. Michael Nicholson was appointed Principal in November 2019, after serving as Xaverian's Assistant Principal for Student Life. He came to Xaverian from Saint John's High School. There, Dr. Nicholson served as a faculty member in the Religious Studies Department, coach, campus minister, Director of Campus Ministry, and ultimately as the Assistant Principal for Student Life.
Dr. Nicholson holds a bachelor's degree in Theology from St. Anselm College and a master's degree in Religious Education and Catholic School Leadership from Boston College. He earned his Doctorate of Education in Interdisciplinary Leadership from Creighton University, in addition to a certificate in Catholic School Leadership. He serves on the Board of Trustees at Saint Bernard School, another Xaverian Brothers Sponsored School that is located in Connecticut. Additionally, he is an adjunct professor at Boston College's Lynch School of Education in the Roche Center for Catholic Education. -
Dr. Stephen Dacey '95, Assistant Principal for Teaching and Learning
Dr. Stephen Dacey '95 joined Xaverian in the 2003-2004 school year. Responsible for fostering a dynamic teaching and learning environment focused on the classroom and beyond, in his current role Dr. Dacey supports faculty and students in a variety of ways, including assessment of data and incorporating teacher and student feedback into Xaverian's instructional approach. He helps to identify effective models to sustain overall academic growth and excellence at Xaverian.Dr. Dacey holds a Bachelor of Science in Biology with a minor in Secondary Education from Stonehill College. He also holds a Master of Education in Curriculum and Instruction from Boston College, as well as a Doctor of Education in Educational Leadership from Boston College. Before Xaverian, he worked with the National Aeronautics and Space Administration (NASA) at Goddard Space Flight Center to improve educational use and access of NASA data applications in the classroom. He began his career teaching science at Red Cloud Indian School on the Pine Ridge Indian Reservation in South Dakota. -
Ms. Lauren Hill, Assistant Principal for Academics, Grades 9-12
Ms. Lauren Hill is the Assistant Principal for Academics, Grades 9-12. She holds a Bachelor of Secondary Education from Manhattan College in English, and a Master of School Leadership in Secondary Education from Worcester State. She is presently pursuing her Doctor of Education in organizational leadership from Baylor University.
Prior to Xaverian, Ms. Hill served as an English teacher, class dean, summer programs director, and co-chair of the professional development committee at Saint John's High School in Shrewsbury. Additionally, she was influential in the process wherein Saint John’s launched a middle school program, serving as co-chair of the ad hoc subcommittee on educational model. -
Dr. Jay McGilvray, Assistant Principal, Francis Xavier Division Grades 7 & 8
Dr. Jay McGilvray joined Xaverian in the 2003-2004 school year. He has served as an English teacher, coach, and department chair. He was appointed to Assistant Principal for Grades 7 and 8 (FXD) in May 2013. Dr. McGilvray served as the varsity golf coach for 10 years at Xaverian, the freshman baseball coach for four years, and the Department Chair of the English Department.Before joining the faculty at Xaverian, Dr. McGilvray taught middle school in Arlington and Danvers. He holds an undergraduate degree from Elon University, a Master of Educational Administration from Boston College, and a Doctor of Education in Interdisciplinary Leadership as well as a Catholic School Leadership certificate from Creighton University. -
Mr. Joshua Tranfaglia, Assistant Principal for Student Life
Mr. Joshua Tranfaglia joined Xaverian as a social studies faculty member in 2014, and from 2014-2019 taught in the Francis Xavier Division (FXD) and coached golf, basketball, and baseball at both the FXD and high school levels. He became the Assistant Principal for Student Life in 2019. Prior to Xaverian, Mr. Tranfaglia taught social studies and religion at St. Michael School in Fall River.
Mr. Tranfaglia has a Bachelor of Science in Business Management and a Master of Secondary Education from Providence College. He completed the Providence Alliance for Catholic Teachers program out of Providence College, which prepares teachers for life in Catholic education. -
Mr. John Guinan, Dean of Students
Mr. John Guinan joined Xaverian in 2022. He previously served at Xavier High School in Middletown, CT, a fellow Xaverian Brothers Sponsored School. At Xavier, he co-chaired the committee that led the school through the Xaverian Brothers Sponsored Schools Mission Effectiveness assessment process.
Mr. Guinan earned his bachelor’s degree from Assumption University and his master’s degree from Boston College. He also studied in Europe and Central America. He holds a graduate certificate in Catholic School Leadership from Creighton University and also serves as an adjunct professor in the Department of Philosophy at Sacred Heart University.
Faculty & Staff Directory
Contact Us
List of 13 members.
Xaverian Brothers High School
Phone: 781-326-6392
Fax: 781-320-0458
Directions | Contact Us | Privacy Policy
EIN (Tax ID Number): 04-2314036
Fax: 781-320-0458
Directions | Contact Us | Privacy Policy
EIN (Tax ID Number): 04-2314036
Xaverian is a Catholic, college-preparatory school for boys in grades 7-12. As an inclusive community, we embrace diverse experiences and perspectives, welcoming students and families from all faiths and backgrounds. Through exceptional academics, athletics, the arts, faith formation, and service opportunities, we help young men discover their unique gifts and talents so they can share them with a world in need.
