Worried about your grades? Online K-12 Courses can help Do you ever wonder why your parents keep stressing on the fact that you need get good grades in school? Ever wonder why your guidance counselor wants you to explore every possibility that can help improve your credit scores? Well, online K-12 courses may have something to do with it. Traditionally, good academic scores have always been a prerequisite for getting into a good college and then moving on to a bright career after graduation. The sad fact is that things are not what they used to be.