„Of the 110 000 new entrants into upper secondary school in 2011, only 69 % obtained an upper secondary diploma within four years, one year after the end of the regular programme duration. […] Those with less educated parents are less likely to complete: 79 % of all youth whose parents have at least some post-secondary education graduate within four years, compared to only 40% of those whose parents only have compulsory education.“
OECD (Hrsg.), „Investing in Youth: Sweden“ (2016), S. 123f