The graduation rate is the percentage of high schoolers who obtain their high school diploma after four years of study. Matriculation from high school is very important for future success, as it opens the door to a much broader set of college and career opportunities than are available to those who do not graduate. Earnings are also much higher among high school and college graduates than those who drop out of high school. While five-year graduation rates are available, they are not very different than four-year rates. The data below pertain to students enrolled in public schools.