No need. According to official website of Xishui No.9 Middle School, Xishui No.9 Middle School was established in 1984 and approved by the Education Bureau. The school has a system of day-to-day accommodation, and there is no need to study at night. Boarders need to study at night. The school has a strong faculty and a good teaching environment. Each classroom is equipped with air conditioning, drinking fountains and other facilities.