The three centers advocated by Herbart, the representative of the traditional education school, refer to

Teacher center, teaching material center, classroom center.

1, Teacher Center: Herbart emphasizes the leading role of teachers in the education process, and believes that teachers become the leaders of education, responsible for setting educational goals, selecting teaching materials and methods, and evaluating students' academic performance.

2. Textbook Center: Herbart believes that education is centered on textbooks and knowledge is spread through textbooks. It advocates the selection of high-quality teaching materials and pays attention to the logic and systematicness of teaching materials.

3. Classroom center: Herbart believes that education is classroom-centered, and knowledge is imparted through classroom teaching. Emphasize the discipline and order of classroom teaching, and emphasize the explanation and demonstration role of teachers.