This is a poster presented at the 6th Shaw-IAU Workshop on Astronomy for Education, organised by the IAU Office of Astronomy for Education (OAE, http//astro4edu.org). Title: To Make Astronomy Education a Compulsory Subject for all High School Students Presenter:Agata, Hide (National Astronomical Observatory of Japan) This study examines from various perspectives a high school science curriculum that can be implemented in Japan's next Courses of Study. The competencies to be addressed are under discussion. In addition to “analytical, critical, and evaluative skills,” “risk response,” and “problem-solving skills,” which are directly related to agency, we would like to emphasize “the ability to express one's own opinions on science and technology” as a compulsory subject for “ Fundamentals of Science” in high school. A questionnaire survey of Japanese high school students revealed that “understanding the universe” was a content they wanted to learn. About the 6th Shaw-IAU Workshop:The 6th Shaw-IAU Workshop took place:12 - 15 November 2024. The Shaw-IAU workshops focus on astronomy education for primary and secondary school students and teacher training both in universities and in service. This year's workshop featured two special topics: an exploration of the first two years of the James Webb Space Telescope for the scientific topic, and the crucial aspect of evaluation in educational contexts as the non-scientific topic.More details can be found on: https://astro4edu.org/shaw-iau/Keep up to date with future Shaw-IAU Workshops and other opportunities at the IAU Office of Astronomy for Education by joining our mailing list https://astro4edu.org/mailing-list/Follow the IAU OAE on Bluesky and Facebook under @astro4edu