Once a week. Official website of Langfang Zhihong Senior High School shows that due to national regulations, there should be at least one day off every week. Langfang Dacheng Zhihong Middle School is a for-profit private school that implements high school education. From the perspective of providing high school education, it is not a technical school (vocational and technical school) or a vocational high school (vocational high school). Langfang Dacheng Zhihong Middle School focuses on ordinary high school education and provides ordinary high school courses for students to continue their studies or enter universities.