According to the regulations of the Ministry of Education, the enrollment level of kindergartens is usually divided according to age and academic requirements. The following are the general results of kindergarten enrollment:

1. Small class: suitable for children aged 2-3. Generally speaking, small classes mainly focus on the cultivation of children's living habits and social skills, and carry out some games and parent-child activities.

2. Middle class: suitable for children aged 3-4. The middle class mainly pays attention to children's language expression, thinking logic and practical ability training, and carries out some activities such as painting, handicraft and language expression.

3. Large class: suitable for children aged 4-5. Large classes mainly focus on the cultivation of children's cognitive and social skills, as well as the enlightenment of basic subject knowledge, such as mathematics, Chinese and science.

Please note that the enrollment level of kindergartens may vary according to regions and specific schools. You can directly consult the kindergartens in Qingpu to find out their specific enrollment grading standards.