1, the national system is different. The dual-track system is generally an aristocratic country. In order to adjust the education of children of nobles and civilians, a dual-track system was formulated. For example, some long-term aristocratic systems in Britain have adopted the dual-track system. Monorail system is an educational system adopted by emerging countries without aristocratic history. For example, the United States is a monorail country.

2. The education system is different. The dual-track system is different from the beginning of primary school. For example, nobles train upper-class businessmen and parliamentarians, while lower-class ordinary people train ordinary workers. Single track system means that everyone is equal from primary school to university, regardless of birth grade.

3. The time of birth is different. The dual-track system was born in the eighteenth century, began to appear and rose in the nineteenth century. Monorail system was born in the second half of19th century.

4. Different places of birth. The dual-track system was born in Europe. Single track system was born in America.

5. The development process is different. The dual-track system first transited to the branch type, and then evolved to the single-track system. Single track system moves towards lifelong learning.