The purpose is to explore the possibility of high school-university collaborative classes for financial literacy. As a result of the analysis of textbooks, it was found that “Home-Economics” is an approach to think and act from one's own life, and “Civics” is an approach to think and act from a bird’s-eye view of society. As a result of analyzing the contents of the students’ descriptions in class practice, it was found that the students became interested in finance and acquired a multifaceted and multifaceted perspective through the investigations the materials, the teachers, and the dialogue between the students. In other words, it was suggested that the collaborative classes are effective for improving financial literacy.