“…Over recent decades, the multiplication of compensatory programs due to educational decentralization barely had any impact on graduation rates in compulsory and post-compulsory secondary education, given other factors such as education level of the population, public spending on education or the level of youth unemployment (Rambla and Bonal, 2007). Despite this, the compensatory education measures based on school groupings and curricular adaptations are considered by the public schools, within their limited room for maneuver regarding its intake, to be one of the main forms of managing "diversity" and fighting against school failure and dropout, which especially affects the working class (Fernández Enguita et al, 2010;Bernardi and Cebolla, 2014;Fernández-Mellizo and Martínez-García, 2017). In the specific case of the compensatory education program, it has been suggested that, despite detecting students with difficulties, the program fails to significantly improve their performance and retain them in the system (Fernández Enguita et al, 2010: 120-122 4 ).…”