Top Hat is the leader in student engagement for higher education. Grounded in learning science and powered by AI, our platform helps educators create interactive, personalized learning experiences that deepen connection and drive student success. Used by 35,000+ instructors at over 1,500 institutions, Top Hat supports learning for more than three million students, turning classrooms into spaces of active exploration and growth. We combine polling and discussion tools with flexible course content, assignments, testing, and analytics. Educators can extend engagement beyond class with interactive, customizable course materials—all in a single platform that integrates with major LMS providers like Canvas, Blackboard, D2L, and Moodle. At the center is Top Hat Ace, our AI-powered assistant that helps educators implement active learning more easily and gives students personalized, on-demand study support tailored to their course materials.