Research on teachers' performance-based salary in compulsory education schools 并列题名：Research on teachers' performance-based salary in compulsory education schools Research on the layout and adjustment of compulsory education schools 并列题名：Research on the layout and adjustment of compulsory education schools Study on the quality standards of compulsory education schools Research on supplementary mechanism of rural compulsory education teachers Research on the spatial order of provincial compulsory education in China