1, the first phase (lower grade of primary school): covering grade 1-2, mainly focusing on the cultivation of basic knowledge and skills.
2. The second stage (middle school grade): covering grades 3-4, students in grades 3-4 begin to study various subjects in depth and cultivate their initial autonomous learning ability.
3. The third period (senior primary school and junior high school): covering grades 5-9, students begin to get in touch with more complicated knowledge, and at the same time strengthen the cultivation of independent learning and independent thinking ability.