Religious attachment has been identified as an important correlate of civic participation, civic engagement, and civil participation among adults. This study investigates two aspects of relationships between religiosity and intended political engagement among lower secondary school students in 2009 and 2016. One aspect is the extent to which religious attachment is associated with an endorsement of the influence of religion in society. This can be viewed as the converse of secularity which asks for the separation of social and political institutions from religion. A second aspect investigated is the extent to which religious attachment is associated with expected adult electoral participation and expected adult active political participation after controlling for the effects of other characteristics. While the results from this study show no strong or consistent relationships between religious background and expected political participation among lower-secondary students, findings suggest that young people's endorsement of religious influence in society depends strongly on their religious background and in turn shows associations with expected active political participation.