C3 Teacher Inquires (K-12)C3 Teachers aims to empower teachers as they wrestle with the big ideas and instructional implications of the C3 Framework. Teachers play a critical role in helping students learn academic content using the C3 Inquiry Arc, which outlines the social studies habits of mind, disciplinary tools and conceptual content that students need to become ready for college and career, and most importantly, civic life. Explore resources for grades K-12.