This research article deals with two objectives. The first objective was to develop the professional competence of social studies teacher in the education sandbox. The second objective was to propose social studies classroom-based action learning management innovation to develop professional competence of social studies teacher in the education sandbox and to assess satisfaction levels of students in developing professional competence of social studies teacher in the education sandbox. The

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... cted research in this article was classroom-based action research whereby the assessment form of area-based competence perception of educational students in Chiang Mai education sandbox, Faculty of Education, Chiang Mai University (pre- and post-assessment). The sample group used in the research consisted of senior educational students in the field of social studies of the second semester of the academic year 2020 accounting for 30 people. For the analysis, descriptive statistics were used. Results of statistical data analysis were shown as mean and standard deviation. From the research results, it was found that the level of perceived competence of becoming a professional teacher in Thailand education sandbox consisted of 3 aspects. 1) For the aspect of self-efficacy regarding knowledge and understanding in becoming a professional teacher, the average summation of the 4 competencies was as follows: the perception was at a high level. 2) For the aspect of skills and capacity in becoming a professional teacher in the Chiang Mai education sandbox, the average summation of 4 competencies was as follows: the perception was at a high level. 3) For the aspect of attitudes on becoming a professional teacher in the Chiang Mai education sandbox, the average summation of 4 competencies was as follows: the perception was at a high level.