Principal
Mark Diachyshyn

Dr. Diachyshyn is a product of a Jesuit education, having graduated from this school in 1996. After receiving degrees in English literature, history, and education, he returned to Loyola. Dr. Diachyshyn has stayed true to the intellectual curiosity instilled in him by his Jesuit formation by completing a Ph.D. in English Literature.

It is with great pleasure that we announce that the Loyola Board of Governors and the Jesuit Board of Directors approved and ratified the appointment of Dr. Mark Diachyshyn as Principal of Loyola High School starting for the 2022-23 school year. Dr. Diachyshyn is a product of a Jesuit education, having graduated from this school in 1996. After receiving degrees in English literature, history, and education, he returned to Loyola and has been an essential part of the fabric of this school ever since. Dr. Diachyshyn has stayed true to the intellectual curiosity instilled in him by his Jesuit formation by completing a Ph.D. in English Literature.

He has made an invaluable impact on this school, having been Vice-Principal of Academics (Senior School) since 2016, and having previously served as Department Head of English Language Arts. He is unwavering in his faith in God and has an unquestionable devotion to ensuring that our Jesuit, Catholic way of proceeding permeates through all we do.