Why can the Korean teacher 4 million dollars a year?

Last week, the network reported that South Korean teacher (Kim Ki-hoon) set a record of 4 million U.S. dollars, the domestic media called it Korean version of Mr Yu, a lengthy report. What are the reasons for high salary? Multi-Knowledge Network has a simple summary: Social environment: South Korea in recent decades the level of education has increased dramatically-60 years ago, the vast majority of South Koreans are illiterate, today, South Korean high school students penetration rate of 93% (the United States in the same period 77%). The South Korean college entrance exam is almost decisive for a child's life (more than at home), and parents are willing to spend money on education, with 75% of students attending cram schools. According to market research firm NPD Group, the size of the South Korean tutorial market last year was $17 billion trillion. South Korea's network environment is superior (per capita 16.7M, 10 times times the domestic), the Government attaches great importance to Internet education, development planning, and set up a deputy-level network education Office to build free education website for students to use, promote the development of online education. Kinki's Megastudy is the leader in online education in Korea, which has almost monopolized the Korean Internet course, and almost half of the students who will be enrolled in the college entrance study will enter Megastudy, which now has a market capitalisation of more than $1 billion trillion. Megastudy to teachers to take a high strategy, school teachers can earn 23% of the income, face-to-face 50%. 20 years of teaching, through school and teaching auxiliary books and other means, in Korea has formed a certain personal brand, you can set a relatively high price (4$/h). In addition he is very diligent and works 60 hours a week.