Influence of Extra Lesson on Students’ academic achievement in Chemistry Senior Student Secondary School Ibadan, Oyo Sate, Nigeria

The purpose of this study was to investigate the influence of extra lesson on student academic achievement in chemistry Secondary School, Ibadan, Oyo state, Nigeria. Different studies have established different reports in their findings that extra lessons enhance students’ academic achievement. Extra lessons may be considered as one of the ways to cover syllabus and to make up for missing period of teaching. Students who always attend the extra lessons might have better grasp of the subject matter and likely have an edge over others. The research methods employed were correlational and descriptive survey. Questionnaire was used to collect data for the study. The data were analysis using multiple regressions. The population of all chemistry students that participated in the study was535. Respondent sample questionnaire was purposively chosen because they are science students. Reliability index through pilot study of the instruments were 0.731, 0.885 and 0.730. The research findings indicated that the composite effects and relative contributions of perception of students to teaching in various forms of extra lesson and students’ attendance on students’ academic achievement in chemistry were significant. The researcher recommended the implementation of intensive extra lessons in chemistry senior secondary schools.