The purpose of this study is to improve the information literacy of elementary school students. For the study, three 4th grade classes of an elementary school in Daegu were provided a two-hour instruction about basic training on how to utilize information and school library, after which one of the three classes received 2 hours long weekly information literacy instructions associated with social studies and science curriculum for 20 weeks. The study, implemented in two phases with mid-term assessment, involved three interview sessions with students, two interview sessions with homeroom teachers, a general descriptive survey, a performance assessment and a follow-up survey.