Abstract
This paper demonstrates the mechanism of the effect of educational philosophy on the appeal of high schools. First, this paper extracts words from educational philosophy of private high schools in Tokyo from 2016 to 2017 by text mining. Next, this paper analyzes words statistically based on classification by cluster analysis. Results demonstrate that although the word “global" has a negative effect on the appeal of schools, has also interaction effect with negative and positive. Furthermore, the effect changes depending on the academic level of universities. This paper suggests the importance of revising educational philosophy in order to increase their appeal in accordance to change of the student achievement with the growth of school by macro data.