Data Analysis of Educational Indicators in Brazil

The implementation of teaching and learning assessment to evaluate educational systemscan be consideredindispensable to Governmentsdue to the necessity for planning education public policies. In Brazil, the National Institute of Studies and Educational Research Anísio Teixeira (Instituto Nacional de Estudos e PesquisasEducacionaisAnísio Teixeira – Inep) evaluates annually about 6 million students of 71 thousand units of public and private education, in more than five thousand Brazilian'scities.This article presents a data analysis on the educational indicators of Tocantins State in Brazil. The data were collected on the website of Inep. The students' grades investigated in this work are from the5º year of public and private elementary schools of Tocantins State, in 2015.The research's objective is to analyze the Inep indicators of “teacher effort”, “teacher formation adequacy”, and “teacher regularity”. These indicators were correlated with the students' average grade in the BraziliantestofPortugueselanguage and Mathematics. To achieve the purpose of this study, analytics software tools, statistics methods, and machine learning algorithms,were usedto statistically mine the database.This analysis allowed identifying teachers' indicators with statistical significancerelated to the schools that had better performance in the Inep Test.The results are being used by the Tocantins Brazilian Government to plan education public policies.