Working in the many school age, but if not, it is time to study is very much like not understand because working late, reducing the grade.Therefore, the correct time should be divided
Working in school is much better. But if the time is not sent to learn as much as students do not understand because they work late. Lower grades should take time to correct.
Work in high school has a lot of good. But if the time is not very forward learning such as understanding in studying because working late grade reduce.So should spare some time to correct.