The objective of this work is to determine the teaching work performance and its incidence in improving the synthetic index of educational quality in the municipality of Cucuta during the period 2016-2019.
 The current Teaching Professionalization Statute has been characterized as one of the most important elements in education in recent years, being the evaluation and teaching quality, transversal aspects to specifically define the improvement of the ISCE as a public policy in the city of Cucuta. Through an analytical study of Decree 1278, it is possible to glimpse that it contains specific elements that allow to delimit with great success an educational quality standard in relation to the professionalization of the teacher, being the evaluation module the appropriate mechanism to achieve a clearer view of the state of the quality of the Educational Institution where the teacher works. Likewise, it is considered that the teacher is suitable as long as he or she passes the performance evaluation sufficiently, however, it should be appreciated that it is important that this evaluation allows evidence of a proper quality standard that is reflected in the ISCE of the Institution.
 Based on the information collection instruments used, very appropriate elements for the investigation can be extracted; from these it was possible to recognize several aspects. The surveys carried out make it possible to establish that ultimately job performance directly affects the improvement of the Synthetic Index of Educational Quality, Also, in accordance with the information mechanisms obtained, specifically speaking of the databases provided by the ETC (Entity Certified in Education) it is possible to identify that the educational institutions of Cucuta have obtained a significant development compared to previous years. Regarding the performance of the evaluation system, it was evidenced that the process is indeed adequate to measure the behavioral and functional elements; however, it is appreciated that special attention is required to the agreements and commitments at the beginning of the school year in order to define the goals and purposes of the Educational Institution. In addition to the above, it is possible to glimpse with a wide margin of success that the classroom teachers evaluated during the period between 2016 and 2019 have managed to gradually improve, which implies that the measurement instruments can produce good results in direct correspondence with development institutional established by the ISCE in each of the official and private educational establishments in Cucuta.