This paper examines teacher job satisfaction for secondary school effectiveness. It was a descriptive survey. A sample of 512 teachers emerged from a population of 1280 representing 40% of the entire population. A 2-part, 15-item, 4-point scale instrument was used to generate data for answering 3 research questions. The instrument was validated by a team of experts in the Department of Educational Management, University of Port Harcourt, Nigeria; and a reliability value of 0.83 established. The researchers distributed and retrieved the instrument. Mean was used to answer the research question. The findings included among others that the classrooms are well ventilated and concluded that inadequate classroom environment and school facilities produced negative teacher job satisfaction and recommended among others that school laboratory should be well equipped to make science teaching more practical and promote effective teacher job satisfaction.