What preschool children should learn most: learning to ride a bicycle, the proper way to brush teeth using the Buchweiss (Bass) method, and how to clean private parts correctly

What primary school students should learn most: discovering interests, using public transportation, basic knowledge of human physiology, learning how to handle relationships with others, and keeping up with exercise

What middle school students should learn most: understanding death, establishing a view of money, knowing how to follow medical care procedures, English, taking high-speed trains, and strengthening willpower and resilience in daily life

What high school students should learn most: basic financial literacy, independent thinking, career awareness, learning how to take responsibility, emotional management, time planning, and sex education

What college students should learn most: building a network, understanding social rules, common legal knowledge, earning a living skills, communication and expression, living independently, and workplace skills

What one should learn after entering society: accepting failure, self-protection, knowing how to read people, managing and running one’s own life, learning how to say no, maintaining relationships, earning a living, and practicing long-term thinking