That depends on which class you are in. There are generally more than 20 to 30 students, but the effect is very poor.

Generally, it depends on what level of teacher you are looking for. Generally, it is sixty or eighty, and fifty or sixty in small places.

For example, Beijing is 100 to 200.

My teacher is a member of the National Song and Dance Troupe, with 300 to 600 lessons each.

The current teachers are Zhang Weiliang's first generation disciples and 200 to 500 members of the National Song and Dance Troupe.