This research aimed to determine the differences in job satisfaction factors in Secondary Education teachers of public and private educational institutions, La Libertad Region, Peru 2020. It presents a quantitative approach, non-experimental design, comparative descriptive type; 372 teachers participated in the study. A questionnaire validated by expert judgment was used as an instrument. Reliability was determined through a Pilot Test applied to 20 secondary school teachers, resulting in a Cronbach's Alpha of 0.976. SPSS v.26 software was used to process the final data. 58.1%. It is found that 50.5% of secondary school teachers in public and private education feel dissatisfied at work; Likewise, significant differences were found between the determining factors of job satisfaction in both types of management, obtaining a p-value = 0.200>0.05 in the Student's t for independent samples. The work concludes that there are significant differences in job satisfaction factors in secondary school teachers from public and private educational institutions.