Job satisfaction has mostly been investigated in both developed and developing countries because it has a strong relationship with job outcomes. This paper focuses on investigating the job satisfaction level and also explores impact of some selected personal characteristics of teachers on job satisfaction in Khyber Pakhtunkhwa province. The study used quantitative research design. From the seven divisional headquarter districts, researchers selected 744 senior secondary school teachers (SSST) through a stratified random sampling method. The teachers job satisfaction level was found high. The findings revealed that teachers gender, age, experience, academic and professional qualifications have significant effect on their job satisfaction. These personal characteristics have significant impact and predict teachers job satisfaction. It is suggested that the government should bring such reforms in the service structure which leads to increase the social status of teaching occupation and positive feelings among secondary school teachers opting to teach as a career.