iarjhssIARJHSSIARJHSS2708-6267https://doi.org/10.47310/iarjhss.2020.v01i02.001Relationship between Class Size and Social Studies Teachers' Productivity in Upper Basic Schools in Delta StateGodspowerOgagaOyiboObroSundayDepartment of Social Studies Education,Delta State College of education, Mosogar, Delta State, NigeriaDepartment of Social Science Education, Delta State University, P.M.B.1, Abraka, Delta State, NigeriaThe study investigated the relationship between class size and Social Studies teachers' productivity in Upper Basic schools in Delta State. Three research questions and hypotheses guided the study. The study utilised employed a descriptive research design, using a questionnaire method of data collection. The sample for this study consisted of eighty (80) Social Studies teachers drawn from ten (10) public Upperbasic schools in Delta central senatorial district. The technique used to arrive at the sample was the simple random sampling technique. The instrument used in this study for data collection was the questionnaire. The data collected were analysed with frequency counts to answer the research questions, and Pearson product-moment correlation was employed to test the null hypotheses. The result of the study revealed that there is a statistically significant relationship between class size and teachers' productivity; there is a statistically significant relationship between class size and classroom management; there is a statistically significant relationship between class size and teachers' commitment to teaching. Based on the findings and conclusion, it was recommended that the government and all stakeholders should take urgent steps in education to prune down the number of students in schools to manageable sizes so that effectiveness can easily be achieved; the government and other education stakeholders should pay adequate attention to the conduciveness of teacher's work environment that would enhance better classroom management; adequate classroom should be provided with a suitable learning environment.