 Between 1960 and the mid-1980s, secondary-school enrollments expanded some four-and-a-half times and higher education nearly twelve-fold.In 1965, fewer than one-third of children of secondary school age were in school and only 7 percent of people ages 20 to 24 years.In the mid-1980s, almost two-thirds of secondary-school-age children were enrolled, and about 20 percent of individuals ages 20 to 24 years were in institutions of higher education.