“…Children, who received early education and care, had a more significant human capital accumulation, resulting in higher employment and earnings (Becker, 1964;Heckman, 2000;UNICEF, 2016UNICEF, , 2017. Furthermore, early intervention is considered more decisive for children from disadvantaged backgrounds and the developing world, as children in these countries face several inequalities starting from early childhood (Dumas & Lefranc, 2012;Linda et al, 2017;Patrice et al, 2011;Waldfogel, 2015). However, there is limited evidence on whether formal preprimary schooling is an effective model in developing countries.…”