This article explores the unique Japanese school system, including compulsory education, school days and hours, high school education system, Saturday classes in Japanese schools and the benefits of the 6-day school week. It is true that some students do attend school six days a week, but this varies depending on their grade level, type of school and extracurricular activities. The 6-day school week allows students more time for studying and helps ensure they get sufficient instruction time throughout the course duration.