successful completion of upper secondary programmes is vital to address equity issues see indicator a in education at a glance oecd but graduation rates still vary widely among oecd countries see indicator b developing and strengthening both general and vocational education see definitions section at the end of this indicator at upper secondary level can make education more inclusive and appealing to individuals with different preferences and inclinations in addition vet programmes are often chosen by students who found it difficult to progress through earlier levels of education and are thus more at risk of not completing upper secondary education oecd h