The literacy problem faced today is the lack of ability and willingness to read from each student. The Organization for the Development of Economic Cooperation (OECD) also released that the reading culture of the Indonesian people occupies the lowest position out of 52 countries in the East Asia region. The low reading culture is spread evenly in all segments of society. One of the efforts to improve the quality of schools is expected to provide motivation and awareness of parents that school is important. literacy program for students. However, the results are not satisfactory, along with the government program on Strengthening Character Education (PPK) parents must be involved in it, the school invites parents to participate in reading at school. The School Literacy Movement (GLS) is a program implemented in schools that has the aim of improving student learning achievement, and it has been proven by student work, including making conclusions from what is read and presented. This research is a type of qualitative research using observation, interviews and documentation from data sources, the interviewees include: the principal, some teaching teachers and some students at the school. The results of the research conducted led to the conclusion, that GLS in improving student achievement. The supporting and inhibiting factors of GLS, while the supporting factors of GLS in the school are the existence of adequate infrastructure and students are not late to school to take part in GLS activities. While the inhibiting factors are the lack of motivation both from students and from outside students, student delays in attending school and lack of infrastructure. The solution to the GLS obstacle is the motivation of the school and parents to the students, as well as the existence of adequate infrastructure. With the GLS implemented in daily teaching and learning activities in schools, it has been proven to be able to increase students' interest in reading and writing which will have an impact on student achievement.