Purpose: The purpose of this study was to identify effects of `mental illness education using movies` on the perceptions and attitudes toward mental illness held by middle and high school teachers. Methods: The participants were 66 middle and high school teachers, 33 in the experimental group and 33 in the control group. The `mental illness education using movies` was given to the experimental group twice a week for two weeks. The perceptions and attitudes toward mental illness were measured using the Knowledge and Attitude toward Mental Illness Questionnaire developed by Park, Paik, and Kwack (1995). Results: After the mental illness education, there was a significant difference between the experiment and control group for psychological and environmental concepts toward mental illness (t=7.10, p<.001). Conclusion: `Mental illness education using movies` has limited effects on the perceptions and attitudes of middle and high school teachers toward mental illness. The results of this study indicate that further research is needed with a revised contents of `the mental illness education using movies if perceptions and attitudes are to be changed.