5-8 days. According to official website's inquiry, Beijing Guo Kai University School, the registration condition is 18 years old, and you can apply for Beijing Guo Kai University College with the second-generation resident ID card. High school or equivalent education is required, and notice will be given after 5-8 days of examination. Beijing Open University is an institution of higher learning approved by the Ministry of Education and sponsored by the Beijing Municipal Government. It has the right to run schools independently and confer degrees.