Junior high school graduates, senior high school graduates and college graduates will be placed in different classes according to the students' level. When registering, you should hold your household registration book, diploma, ID card and photo. In recent years, the enrollment standards of railway schools have been continuously improved, and the requirements for students have become more and more strict. Students are selected according to their grades. The entrance examination mainly includes the following aspects: students' age, height, vision and health. Students are required to be middle and high school graduates aged 15-20. The height of boys should be above 160 and that of girls should be above 158. After binocular correction, the visual acuity should be above 4.8, excluding color blindness and amblyopia. There should be no obvious scars on the face, neck and hands, and there should be no splayed legs and O-shaped legs. The admission conditions of different schools are different, and some schools have stricter admission standards. The specific admission is subject to the school.