	From 1672-1680, Gravier taught and tutored in the Jesuit schools of Hesdin, Eu, and Arras. He then studied philosophy at the Collège Louis-le-Grand in Paris (1678–79). After teaching, he returned there for his studies in theology (1680–84). After his third year of theology, Gravier was ordained a priest. Upon completing his studies, he set out for Canada, where he would be a missionary. He studied and taught at the college in Quebec, and then spent a year at Sillery studying Algonquin (1685–86).