This thesis explores best practices in teaching religious history in public schools using primary sources. Lesson plans on specific sites and themes within the history of religious freedom in Philadelphia contextualize and celebrate the religious diversity that the city has known since its inception. By understanding how this diversity developed over time and through obstacles, students will be more willing and motivated to do their individual part to maintain and protect religious liberty. This goal is emphasized through the use of primary sources, which bring gravity, accessibility, and engagement to a topic that might otherwise be considered controversial, distant, or unnecessary.