This study aims to examine the relationship between the academic achievement of primary school students and their academic grit. It also tried to determine whether the academic grit of the students affected various variables. The research is a quantitative study based on the relational screening model. The study sample consists of 400 fourth-grade students in the center of Sivas, which was determined by the proportional stratified method. Personal information form and Academic Perseverance Scale were used as data collection tools. According to the study results, a significant relationship was found between academic achievement and academic grit. This relationship was found to be significant, moderate, and positive. In addition, the study determined that academic perseverance differed significantly according to gender, father's education status, socioeconomic status, and pre-school education status. However, it was observed that academic perseverance did not differ according to the number of siblings and the mother's educational status.