By law Nº 28740, the National System of Quality, Evaluation, and Certification (del Sistema Nacional de Calidad, Evaluación y Certificación (SINEACE)) is a system that promotes the quality of the education in the country through the establishment of operating organizations which accredit the educational quality of the educations, from basic education to technical schools and universities.
Schools in rural areas are associated with less average knowledge of pupils. There is a correlation of malnutrition and low achievement at school. Income shows a positive correlation with education.