The Enlightenment of South Korean Elementary and Middle School Teachers’ Urban-Rural Mobility System to Teacher Mobility under the Background of China’s “Double Reduction” Policy

South Korea’s urban-rural teacher mobility system has been implemented for more than forty years and has achieved certain results. It has accumulated more mature experience, which has certain reference significance for our country’s teacher mobility system. On this basis, the author conducts research on the historical evolution, current operation, and flow procedures of the Korean teacher mobility system, and examines China’s actual national conditions from a reflective perspective, and draws on the future development direction and related enlightenment of China’s teacher mobility system: 1) Strengthen the construction of the teacher mobility system, do a good job of top-level design; 2) Improve supporting policies to enhance teacher happiness; 3) Focus on local implementation and form a characteristic model; 4) Strengthen supervision and monitoring, and establish an evaluation feedback mechanism.