text: The schedule of Mapo Primary School No. 2 divides students into three groups?
classes:  No, according to the schedule of Mapo School No. 2, all students in this school will be divided into 4 groups.  Also, according to the schedule of Mapo School No. 2, all students in this school will be divided into 4 groups.  Yes, according to the schedule of Mapo School No. 2, all students in this school will be divided into 4 groups.