There are many reasons for poor academic performance. Whether to find a remedial class or a tutor depends on the specific situation. First of all, it depends on the specific situation at home, because tutoring or tutoring is very expensive now. Secondly, it depends on the reasons for students' poor grades, whether they can't learn or don't want to learn. If they can't learn, it is necessary to have a tutor, but if they don't want to learn, it shouldn't be much help to have more tutors. Or it should be the case.