This article in a synthetic way presents the complex issue of ecumenical education of religion, fluctuated between ‘catechesis’ and ‘religious studies’. Catechesis is a basic teaching of the Church about salvation and was understood as an integral and systematic process of upbringing in faith. The term „religious studies” was used as a form of the communication of knowledge about religion, as teaching about religion or religions with no stress on any of them, without trying to make any personal references, treating religion solely in a horizontal way, as a phenomenon related to human life. Pedagogy of religion done without a specific confession, specific denomination is a peculiar form of secularisation, regardless whether it is intended or...