although compulsory education goes from age to on average across the oecd the enrolment rate is high in a wider age range and at least of the population is enrolled for years from age to age on average the age interval is generally shorter for oecd partner countries and full enrolment defined in this indicator as enrolment rates exceeding can be as long as three years as in south africa or four years as in colombia enrolment at even earlier ages is relatively common in some countries with denmark iceland and norway achieving full enrolment for yearolds see also indicator b in other countries full enrolment is achieved for children between age and age except in the slovak republic where full enrolment is achieved at age