students follow a general curriculum during their first two years of secondary education grades and then get sorted during the last two years of secondary education grades into a general track humanisticscientific midlevel education emhc or a vocational track technicalprofessional midlevel education emtp in practice however tracking happens from grade when students enrol in secondary school students that are tracked in th grade are more likely to remain in this track during all secondary education the upper secondary vet curriculum consists of hours of general education per week compared to hours in the general track the upper secondary vet curriculum also includes hours of vocational education mineduc students obtain the secondary schoolleaving certificate licencia de ensehanza media after completing the four grades of upper secondary education