For the class time of senior high school students, there is no clear law about weekend classes. In principle, last Monday to Friday is the legal working day, and Saturday and Sunday are the rest days. Relevant provisions of the Compulsory Education Law of People's Republic of China (PRC): Article 34. Education and teaching should conform to the laws of education and the characteristics of students' physical and mental development, face all students, teach and educate people, organically integrate moral education, intellectual education, physical education and aesthetic education in education and teaching activities, pay attention to cultivating students' independent thinking ability, innovative ability and practical ability, and promote students' all-round development. Article 35 The education administrative department of the State Council shall, according to the physical and mental development and actual situation of school-age children and adolescents, determine the teaching system, teaching content and curriculum, reform the examination system, improve the enrollment method of senior secondary schools, and promote the implementation of quality education. Article 37. Schools shall ensure students' extracurricular activities and organize extracurricular cultural and recreational activities. Social public cultural and sports facilities should provide convenience for schools to carry out extracurricular activities.