Canon 1136, Parents have the most serious duty and primary right to do all in their power to see to the physical, social, moral, cultural and religious upbringing of their children. Every family has the right to live freely its own domestic religious life under the guidance of parents . . . to propagate the faith . . . The fecundity of conjugal love cannot be reduced solely to the procreation of children, but must extend to their moral education and spiritual formation. The role of parents in education is of such importance that it is almost impossible to provide a substitute. The right and duty of parents to educate their children are primordial and inalienable.
Parents have the first responsibility for the education of their children.
By the grace of the sacrament of marriage, parents receive the responsibility and the privilege of evangelizing their children. They should associate them from their tenderest years with the life of the Church. . . Family catechesis precedes, accompanies, and enriches other forms of instruction in the faith. Parents have the mission of teaching their children to pray and to discover their vocations as children of God. As those first responsible for the education of their children, parents have the right to choose a school for them which corresponds to their own convictions.