To take all appropriate measures to eliminate obstacles limiting effective access to education, notably by girls, including pregnant girls and young mothers, children living in poor communities and rural areas, children belonging to minority groups, indigenous children, migrant children, refugee children, internally displaced children, children affected by armed conflicts, children affected by natural disasters, children with disabilities, children affected by infectious diseases, including HIV/AIDS, sexually exploited children, children deprived of their liberty, children living in the street, working children and orphaned children;