The study is purposed to examine the effectiveness through creative drama in high school and to consider the adaption of drama education to high school as a regular subject. In order to identify the effectiveness of drama in high school the 70 men and women students who had participated in drama activity in high school were selected and interviewed by researcher and his colleagues. Through the examining the results of research The conclusion was drawn as follows. Firstly, drama activity in high school gives the participants an opportunity to develop the imagination, an opportunity for creative thinking, freedom for the group to develop its own ideas, an opportunity of cooperation, an opportunity to built awareness, better habits of speech, an experience with good literature, and introduction to the theatre arts creation. Secondly, the possibility for selecting `Drama Education` as a regular subject in our high school was identified as many of American and European high schools. As a comprehensive subject `Drama Education` subject may be regarded as a way of learning, a means of self-expression, a social activity.