A high school diploma is important to one's future. It is important because it proves one was willing to work hard to attain a high school education, and without one, it may potentially be difficult to obtain a job. Without a job, it hard to make enough money for a more than adequate life, as most people dream of. Another way a high school diploma is important to one's future is it allows them to further his or her education. High school diplomas look good to colleges and raise one's chances of getting accepted. In order to get into college, one just needs a G.E.D. or a General Education Diploma. High school and high school diplomas are very important to one's future because they help shape the outcome and help set up the amount of success that person will have. High school diplomas are important to one's future.