By assessing differentiated upper secondary education with homogeneous student backgrounds, previous studies indicate that a high concentration of students from families of higher socioeconomic status (SES) and a climate of educational expectations for higher educational attainment in schools result in a "hot house" effect that…

Japanese compulsory education is considered as relatively egalitarian since poorer regions receive more funding from the central government, which standardizes the quality of education nationwide. Nevertheless, the literature indicates socioeconomic status-based achievement and educational attainment gaps. As parts of explanations of these gaps,…