If your file is in Jiangsu, you can apply for two public courses in Nanjing and go back to your hometown. If your file is in another province, contact the local education bureau first and ask if you have the approval of the local education bureau if you take public classes in Nanjing. If approved, you can take the exam in Nanjing. Fan Jiang education in Nanjing can be directly applied for, all at the student price, and there are classes in many places.