Don't worry about scholarships and university. Yes, they look at grades, but overall they want people who are willing to put in hard work, learn from mistakes, and detrmined to succeed. When youre done with school, no one is going to look at your grades any more. Theyre going to look at your work ethic and your ability to think critically and learn from the past. Focus on developing those skills, and good ggrades (maybe not perfect ones) will follow.