A comprehensive social studies education provides the foundation for an appreciation of democracy, an understanding of the responsibilities and rights that come with participating in a republican form of government, and the knowledge and skills to be informed, responsible, and active global citizens. As students participate in their social studies education, it is crucial that teachers implement powerful teaching and learning strategies because these are designed to best support students as they acquire the knowledge, skills, and dispositions essential to a well-educated populace in a democratic society and global system. Teaching social studies powerfully and authentically begins with a deep knowledge and understanding of students, the subject, and each subject's unique goals. Teachers must pursue ongoing professional development to develop a deep understanding of their subject and best practices centered in research-based social studies pedagogies in order to effectively build on the pillars that support powerful teaching and learning in social studies classrooms.