Abstract
This study is aimed to clarify the effects and issues of Environmental Management System activities in high school. ISO14001 certified schools were selected for this study in Tokyo. The hearing survey against managers of EMS work and the questionnaire researches to students were carried out. The results were as follows. 1) EMS activities were effective against the improvement student's and teacher's knowledge and behavior for school environment. 2) Teachers and staff managed EMS activities had many loads of care for the improvement activities, for corroborations with other teachers and staff ant the budgetary appropriation for ISO14001 certification. It is necessary to solve the above issues for the good practice of promotion of EMS activities.