Can Non-Subject-Based Off-Campus Training Improve Student Mental Health in the Context of the Implementation of the Double Reduction Policy? A Study Based on a Survey in 30 Counties in Six Eastern, Central, and Western Provinces of China

Mental Health of primary and secondary school students has drawn wide public attention against the backdrop of the implementation of the Double Reduction policy. This article aims to analyze the effects of non-subject-based off-campus training on student mental health based on an investigation among primary and secondary school students from 30 counties (cities, districts) in six eastern, central, and western provinces of China.