Haimen Sijia High School doesn't have to pay books and miscellaneous fees every month, but once a semester. Textbooks to be used in senior high schools are not free, and the principle of more refunds and less supplements is upheld. Generally, before distributing textbooks, students need to be charged the textbook fee of 500 yuan. If children need to wear two sets of designated school uniforms in spring and summer, they need to be similar to 400 yuan.