The purpose of this study is to determine the effect of the School Literacy Movement on students' interest in reading at Kendalrejo 01 Public Elementary School. This study used a quantitative approach with an ex post facto method. The instruments used were questionnaires and learning outcomes. The results showed the value of t_ (count) of 5.498, while t_table is known to be 1.987, then 5.498> 1.987. So it can be concluded that there is a significant effect of the School Literacy Movement on the reading interest of students at SDN Kendalrejo 01 with a coefficient of determination of 25.4%.