Because South Korea's education follows the American education model to a great extent, the academic intensity of high school is definitely not as good as that of China. Generally speaking, they require fewer subjects than in China, but the academic pressure is similar to that in China. After all, people also have a cruel college entrance examination, but Korean high school students have many extracurricular activities and often go out for "recess trips" (). There is also a long high school holiday in Korea, usually three months in winter and summer vacation, plus general. Korean high school students are equivalent to the strength of China's Grade Three or Grade Three.