This data forms part of the Youth Endowment Fund (YEF) data archive. The YEF was founded by the Home Office to evaluate which interventions and services best prevent children becoming involved in violence. All YEF projects are independently evaluated. At the end of these evaluations, data on the children in YEF trials is archived with the ONS. It is combined with unique identifiers in Department for Education (DfE) data. This allows researchers to combine YEF trial data with education and other linked datasets to evaluate the long-term impact of the programs funded on education, offending and other outcomes. For more information on the YEF and the data stored in the archive, please see the link in the associated media section.