Perennialism focuses on eternal concepts and universal truths. It emphasizes transferring knowledge from teachers to students and is subject-centered. Essentialism believes there is essential knowledge everyone must have to participate in society. The teacher's role is to use verified strategies like lecture and students should listen and learn. Progressivism emphasizes learning by doing and is child-centered. The teacher facilitates while students actively engage. Reconstructionism aims to address social issues and reform society through education. The teacher and students critically examine social problems and take action for change.