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Third, the implementation challenges and coping strategiesDrawing lessons from Europe, America, Japan and South Korea: Controlling the class size of primary and secondary schools and universities to 15 students to improve the quality of teaching and training.

Third, the implementation challenges and coping strategies2. Japan and South Korea casesIn a class of 15 students, the focus of education is not only the academic achievements of students, but also the development of students' moral cultivation and artistic accomplishment. Teachers can pay more attention to students' moral education and guide students to establish correct values. For example, by organizing class discussions on social equity, environmental protection and other topics, teachers can deeply understand each student's point of view and give targeted guidance.

I. Successful experiences of Europe, America, Japan and South KoreaThird, the implementation challenges and coping strategiesSecond, the advantage of controlling the class size to 15 people