Do you mind being called a bad student? Of course.
So/As far as I know, everybody intends to be/become a model student.
However, to be a model student is by no means an easy thing.
First, he must do his best to obtain knowledge.
A man without sufficient knowledge will not succeed.
Secondly, he must remember to improve his health.
Only a strong man can do great tasks.
Thirdly, he should receive moral education.
If his conduct is not good, no one will consider making friends with him.