I think I agree with to modify on the number of students in the classroom, less, because when students in a classroom of up to 50 people may be made to the teacher can't take care of 4 students to everyone.
I think I agree with that adjusts to the number of students in a classroom, because when there are fewer students in the classroom for up to 50 people may not be four teachers to supervise students throughout each person.
I think I agree with which to modify the number of students in the classroom to reduce less because when there is a student in the classroom to 50 people may make the teacher can not take care of the students ทั่วถึงทุกคน 4