Of those schools, 44 were operated by Roman Catholics; 21 were operated by the Church of England / Anglican Church of Canada; 13 were operated by the United Church of Canada, and 2 were operated by Presbyterians.[20]:682 The approach of using established school facilities set up by missionaries was employed by the federal government for economic expedience: the government provided facilities and maintenance, while the churches provided teachers and their own lesson-planning.[21] As a result, the number of schools per denomination was less a reflection of their presence in the general population, but rather their legacy of missionary work.[20]:683