Want to keep in the classroom with students, not much and not too little. Because if the students will lack new ideas. It is not fun, but if the wiap, and more teachers for each class will be taught to.
To keep the number of students in the classroom is not much and not too little. If a student is not a new idea. Revere and the room was not very fun, but if the teacher teaches each subject was not thorough.
Want in the classroom the students very much, and not too much. Because if a student at least to lack new ideas The room will Pavia and fun but if too much teacher each subject will teach not thoroughly.