3-7 days. According to the inquiry, official website of Mengcheng Education Bureau shows that it takes 3-7 days for transfer students to send their household registration books to the Education Bureau for review. The government portal website of the Ministry of Education is hosted by the General Office of the Ministry of Education. It is an online window for the Ministry of Education to implement information disclosure, news promotion and online interaction, providing access forms such as standard version, mobile phone version and client.