using crypto Top Knowledge graph

1. Challenges and countermeasures of educational resourcesOne of the biggest challenges to control the class size to 15 students is the allocation of educational resources. We need more hardware resources such as classrooms and teaching equipment, and we also need to increase the number of teachers. In this regard, the government can increase investment in education. For example, some governments in Europe and America support school infrastructure construction and teacher recruitment through special education funds. For example, some state governments in the United States will provide funds for building new classrooms or transforming existing classrooms to meet the needs of small class teaching according to the school's small class plan.

Drawing 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.2. The change of social concept and educational concept1. European and American cases

1. Challenges and countermeasures of educational resourcesWhen the class size is controlled at 15 students, teachers can know more about each student's learning situation. Teachers can provide targeted counseling for each student's weak points of knowledge. For example, in mathematics teaching, teachers may only explain the knowledge points in a large class, but in a class of 15 students, teachers can find each student's problems in algebra, geometry and other different sectors, so as to explain the problem-solving ideas in a personalized way.I. Successful experiences of Europe, America, Japan and South Korea