Teachers are the central point for any type of educational system. Teachers are the people who give the shape to the future of the students. An effective teacher is therefore, of prime importance for realizing desirable educational goals. Teacher effectiveness means perfection or optimum level efficiency and productivity on the part of the teacher. The main objectives of the topic are to find out the significant mean difference among male and female teachers working in government and private secondary schools located in rural and urban area. A sample size of 504 teachers of secondary schools were selected and taken up for the study. Teacher Effectiveness Scale developed by Pramod Kumar and D. N. Mutha was used for the study. It has been found that, there is no significant mean difference among male and female teachers working in government and private secondary schools located in rural and urban area. As a conclusion teacher effectiveness is essentials for the survival strength, efficiency and success of the institution.