Resumen en inglés

This research work called "School Performance and Positive Development in Teenage Ninth Grade Students of the Villa Cielo Educational Institution", presents the percentage of students who have positive development; the positive relationship of positive developmental factors (selfesteem, self-efficacy, self-regulation, and social skills) with academic performance; 69 students participated in the study, 39 women and 29 men. The project was developed under a quantitative methodology, a non-experimental correlational design; Questionnaires were used to determine Positive Development and each of the study subject factors and to determine academic performance, the weighted averages of the grades obtained by each student in the first and second academic period 2019 - 1 were used. The results first show that 68% of the surveyed students have positive development and the correlations between academic performance, self-efficacy, academic self-regulation and social skills are significant in both groups; for self-esteem, the results were different: for group 9 ° 1, the relationship is negative; otherwise it occurs with group 9 ° 2 which is positive. On the other hand, when analyzing the relationship of Positive Development with the academic performance of students with high and low performance, it is moderately positive. For this same group, the analysis of the factors self-efficacy, academic self-regulation, self-esteem and social skills show only positive relationship with self-regulation for high performers; low performances are positively related to self-esteem and self-regulation.