The object of reflection is to bring to repentance and attitudes of penance and preparation to live the sacrament of penance and reconciliation. The author was inspired by the bull of Pope Francis Misericordiae vultus. Shows the timeliness of their subject matter, in the light of the documents reveals education to repentance as a task of catechesis, the necessary aspects to be considered in the catechetical preaching. The rest of the dimensions of education closer to repentance, the share of educational environments and practical implementation of this education based on the core curriculum and the curriculum of religion. The scope of reflection was limited to the first stage of catechesis school.