There are difference between high chool in China and that in the United State. High chool in China lat three year, while in mot US tate four year. In China, tudent are in fixed clae and claroom. Every day they tudy hard for about 10 hour and have a olid knowledge. But in the United State, tudent don’t have fixed clae or claroom and they go to their teacher’ office for clae. They pend about 8.5 hour on tudy a day. They are lively and good at activitie organized by themelve. However, in China, the tudent’ extra curricular activitie are motly organized by chool and clae.