Marcelle DeFreitas earned both her Master in Religious Education, and her Master in Education Administration, from the University of Toronto. Upon completion of her Masters in 1993, Marcelle became a Secondary School Principal in Toronto and Vancouver. Seconded to the Ontario Institute for Studies in Education, Marcelle taught in the Teacher Education program for four years before moving to Vancouver to Principal a high school. In BC she taught in the Masters of Arts in Teaching program at the University of British Columbia, and evaluated both BC, and offshore schools in China, for the Ministry of Independent Schools.
Marcelle began her role as Coordinator at UTSC in 2014 - overseeing the concurrent teacher education program, before adding the role of Coordinator for new combined degree programs in 2016. As a mentor for teacher candidates, she continues to champion the important role of the teacher in student achievement, and well-being. An avid education researcher and presenter, Marcelle also facilitates Principal Learning Teams in Ontario and China, and is a resource consultant to the Institute for Catholic Education, and the Ontario College of Teachers.