Why Is Raising Your GPA So Important?

Your high school GPA plays an instrumental role in the college admissions process. One letter grade can make a colossal difference over the course of three years of school work in getting accepted or denied at competitive colleges. Moving from a 3.4 to a 3.6 makes your college resume that much better than other students who are at a 3.5 or lower. Why does a mere 0.2 points make all the difference?