This study aims to examine the mediating role of academic grit in the relationship between academic procrastination and academic self-handicapping behaviors of adolescents. In this context, the academic procrastination scale, academic grit scale and academic self-handicapping scale were applied to 512 high school students in Eskisehir. The correlational predictive model, one of the relational models, was used in the study. The study found that academic procrastination was positively correlated with academic self-handicapping and negatively correlated with academic grit. According to the other result obtained from the research, it was found that academic grit had a mediating role in the significant relationship between academic procrastination behaviors and academic self-handicapping behaviors. The results were discussed in light of the relevant literature and suggestions for future studies were presented.