This question is answered by F. Javier Murillo (Coord. Of GICE) and Raquel Graña in their paper published in the monograph issue on School Segregation of REICE. Ibero-American Journal on Quality, Effectiveness and Change in Education
Murillo, F. J. & Graña, R. (2020). ¿Segregación escolar por nivel socioeconómico o por nivel de estudios de los padres? [School segregation by socioeconomic status or by parental education?]. REICE. Revista Iberoamericana sobre Calidad, Eficacia y Cambio en Educación, 18(4), 9-29.
https://doi.org/10.15366/reice2020.18.4.001
