Believe me, it’s not only about studying. Because:
They don't skip classes.
They befriend the best in class.
They adapt to the teacher.
They start homework as soon as possible. Like the evening homework is given.
They ask questions for more understanding.
They listen to the lecturer.
They are focused while at it.
They prioritize well enough.
They enjoy school.
They prepare for exams since the first day of courses.