Fig. 1
From: On the efficiency of school tracking: a perspective from outcomes in dual VET in Switzerland
Age at first tracking and the percentage of upper secondary students engaged in dual VET programs by country. Percentages of students refer to the enrollment rate of 15–19 year olds in upper secondary dual VET programs and only countries in which this proportion is greater than zero are reported in the figure. The cluster of countries in the lower right-hand side includes France, Finland, Norway and Iceland. Data source: Age at first tracking from p. 57, OECD (2012) and enrollment rates from 271, OECD (2013)