Educational Secularization within Europe and Beyond

Did religion disappear with modernization and the secularization reforms that changed the relation between religion and state throughout the European empires and nation states from late nineteenth century onwards? Or was religion rather transformed becoming a part of the new social and national imaginaries on the road from European empires to African, Middle Eastern, European Union- and Post-Soviet nation states? What are the historical roots behind the divisions of state, church and education t