Catechism of the Catholic Church §2252 — excerpt
Parents have the first responsibility for the education of their children in the faith, prayer, and all the virtues. They have the duty to provide as far as possible for the physical and spiritual needs of their children.
This translation is under copyright, so only the cited words are quoted here. Follow the link for the full text. Translation: English translation of the Catechism of the Catholic Church, 2nd ed. (Libreria Editrice Vaticana), as posted at vatican.va.