This study was conducted to investigate the life satisfaction of secondary school teachers working in various teaching groups and to investigate the effects of demographics of life satisfaction among teachers. A questionnaire-based study was conducted in 300 secondary teachers working in the schools of vellore district. The results of the study indicated that the demographic variables, gender, area of school, medium of school, type of school, teaching subject, teaching experience, marital status and type of family was not significantly related to life satisfaction of the secondary school teachers.