This current research investigates the impact of Autocratic and Democratic Leadership style on job satisfaction in private and public school. For this purpose a questionnaire was developed and validated. There were twenty three items in all. The items were based on five point scale ( from almost always to almost never).The data were collected from two hundred and five (205) teachers of both public and private schools (one hundred and five public school teachers and one hundred private school teachers). For statistical analysis Mean, Standard Deviation, T-Test, ANOVA, Co relation and Regression Analysis were used. It was found that Leadership style has a positive impact on job satisfaction and public teachers have high level of job satisfaction rather than private teachers.