Scientific Study from the year 2010 in the subject Pedagogy - Job Education, Further Education, grade: 1.0, Bowen University, language: English, abstract: This study was designed to assess the participation of teachers in school decision-making and its influence on their decision-making and its influence on their job satisfaction and productivity. The sample of the study comprised of 96 teachers and principals of six senior secondary schools in Mainland Local Government area of Lagos State. A designed research instrument was used to generate relevant data for the study- The data were tested using percentage and Chi-square statistical tools. Three null hypotheses were tested in the study which revealed that teachers' participation in school decision making has significant relationship on their job productivity; principals' leadership styles have significant relationship on teachers' involvement in school decision-making, management effectiveness has significant influence on job productivity in schools. Based on the findings, some recommendations were made to the principals to encourage teachers to participate in important school discussions that will motivate them to develop a sense of belongingness to the organizations and enhance their job productivity.