The research shows a strong link between economic inactivity and higher levels of special educational needs during Key Stage 4, including attending a special school. Care leavers in England are over ten times more likely than their peers to not be working or studying in their 21st year…

University of Exeter Source: Care leavers face ‘acute challenges’ in transition to adulthood, analysis shows – News

The study was funded by the Nuffield Foundation and based at the Rees Centre at the University of Oxford.  It was led by Dr Neil Harrison (now at the University of Exeter) and Jo Dixon (University of York).