ES Authors Schmelkes, SylviaAguila, Guadalupe Corporate authors Instituto Nacional para la Evaluación de la Educación (Mexico), INEE Language Spanish Topic Grading and groupingEducation in emergenciesPolitical economy of educationEducational evaluation Region/Country MexicoAmericas and the Caribbean Linguistic grouping Latin America Level of education Early childhood educationPrimary educationSecondary education Resource type Case studies and research papers Keywords one teacher schools