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(All text materials are automatically generated by ai intelligence)1. Challenges and countermeasures of educational resourcesIt is also more beneficial to the cultivation of students' artistic and sports specialties. Teachers can discover the potential of each student in painting, music and sports, and provide them with more opportunities for guidance and participation in related activities. For example, in music class, teachers can give each student more time to practice solo and improve their singing skills.

2. The change of social concept and educational concept1. European and American casesIn Europe and America, many schools attach importance to teaching in small classes, and it is more common to control the class size to about 15 students. In the United States, for example, some high-quality primary and secondary schools and private universities often adopt small class teaching mode. According to the data of American educational research institutions, in the small class teaching environment (15-20 students in each class), students' academic performance has been significantly improved in reading, mathematics and other disciplines. For example, in reading, the average improvement rate of reading ability of small class students is about 20% higher than that of large class students. This is because teachers can adjust teaching strategies more accurately according to each student's reading level in small classes.

I. Successful experiences of Europe, America, Japan and South Korea1. European and American cases