individuals with tertiary education are more likely to be employed than those with an upper secondary education who in turn have a greater chance of being employed than those without an upper secondary education figure the proportion of the population that has attained at least upper secondary education grew from for the generation aged in to for the generation aged in the same year lower secondary education is now virtually universal and enrolment rates for to year olds grew from in to in oecd b student learning outcomes in chile as measured by pisa while still considerably below the oecd average have remarkably improved over the past decade