Objective: To determine the relationship between academic procrastination and mobile dependence in4th and 5th grade secondary school students. Methodology: Non-experimental cross-sectional design,correlational type and quantitative approach. The data of 146 students of both genders, their ages arebetween 15 and 17 years, were analyzed. For data collection, the Academic Procrastination Scale(EPA) was used, it presents a reliability for internal consistency through Cronbach’s alpha .816 and thevalidity was carried out through a confirmatory factorial analysis whose factorial loads vary between.43 and .99. Regarding the Mobile Dependency Test (TDA) the reliability of the test is evidenced byCronbach’s alpha coefficient, the Test in its total scale has high levels of reliability (α=0.929). Results:A positive and significant relationship was found between the two variables (rho = .268, p...