The general objective of the research was to determine the level of mastery of teachers' knowledge about learning evaluation processes in the Initial Public Educational Institution N ° 301 Jenaro Herrera of the city of Requena in 2021. The methodology considered for this purpose It was the descriptive type of research, adopting a univariate, cross-sectional, and field design. The population considered for the study were the directors and teachers of the educational institution, who were also considered as a sample, with 11 being the number of participants. The questionnaire had to be validated by means of expert judgment and the survey technique was adopted to collect the data required by the research. The main finding of the study has been that the level of mastery of teachers' knowledge about learning assessment processes in the Initial Public Educational Institution No. 301, is 27.3%...