Xu, S. 2024. Research on the Influence of Shadow Education on the Performance of Different Subjects in Junior High School: Empirical Analysis based on CEPS ( 2013-2014 ). International Journal of Social Sciences and Public Administration. 5, 3 (Dec. 2024), 81–89. DOI:https://doi.org/10.62051/ijsspa.v5n3.12.