This study title â€-Effect of Inquiry Teaching Method on Social Studies Students' Attitude and Academic Performance in Katsina State, Nigeriaâ€-. The study used quasi experimental design. The researcher used eight (8) objectives, research questions and research hypotheses. The study population consisted of all social students' of colleges of education in Katsina State and they include Federal Colleges of Education Katsina and Yusuf Bala Usman Colleges of legal and general studies Daura. The total population was 942, while the sample size was 216. The test instrument developed by the researcher for the study was the student's performance Assessment Instrument (SPAI) and social studies student Attitude Questionnaire (SSSAQ) which contained 50 questions. The validated instrument was pilot tested to find out the reliability index of the instrument which was obtained using test retest and 0.81 was found. The statistic used were t-test independent sample cumulative mean and the finding of the study standard deviation. The findings of the study revealed that NCE students performed better when taught with inquiry teaching method compared to their counter parts taught with lecture method. This showed that students taught Social Studies using inquiry method performed better than those taught using conventional teaching method. Based on the results obtained the researcher recommended that: the instructors of social studies should endeavor to use inquiry method in teaching social studies in college of education, government bodies responsible for curriculum planning in social studies should focuses on realistic student learning outcomes rather than disciplinary traditions and faculty performance.