Don't stop when your kid rejects you. Ask to see their papers and exams. You have to be persistent. School is a very important part of their lives. Assuming good health and normal intelligence, the answer is probably yes.
Some kids seem to be born organized and focused.
Like Mike Terry, they have tidy rooms with a designated place for everything. Like Sarah Seidman, they have long attention spans at a young age. For parents who despair of ever seeing an honor-roll mention, there is this bit of consolation from Arnold's valedictorian study. Conventionally good students tend to wind up as conventional successes. Bill Gates was not a conventionally good student.