Roger Williams believed in the idea that religion was a matter of individual conscience, not to be regulated or supported by a government. In this lesson students examine both sides of the issue of a proposed RI bill that would provide tax supported school vouchers for private schools. The students will research the issue using primary and secondary sources and then participate in a debate to answer the question: Do school vouchers violate the principle of the separation of church and state? Background Roger Williams, through both word and action, advocated for free exercise of religion at a m Duration: 90 Minutes.