Quality of education in public schools in Brazil: an analysis of the correlation between investment per student and performance in the national assessments. Contextus – Contemporary Journal of Economics and Management , [S. l.], v. 15, n. 3, p. 34–65, 2017. DOI: 10.19094/contextus.v15i3.961. Disponível em: https://periodicos.ufc.br/contextus/article/view/32303. Acesso em: 26 mar. 2026.