Core 5 Academic Subjects (Goka)
Japanese (Kokugo): Regular-use kanji reading/writing, classical text fundamentals, modern prose comprehension, and structured summary writing.
Mathematics: Linear & quadratic equations, Pythagorean theorem, geometric congruence & similarity proofs, and quadratic functions.
English: Foundational syntax (passive voice, present perfect, relative pronouns), listening comprehension, and short composition.
Science: Physics (motion & energy), Chemistry (ions & chemical reactions), Biology (cells & genetics), and Earth Science (weather & celestial bodies).
Social Studies: Japanese & world geography, historical eras (ancient to modern), and civics (Japanese constitution, democracy & economy).