Abstract: This study investigated, the influence of motivation on students’ academic performance. Four research questions and 4 null hypotheses were formulated to guide the study. The study employed the survey design. The sample comprised of 720 respondents comprising of 640 students and 80 teachers randomly drawn from 16 secondary schools and 15 people from different walks of life. Researcher’s self-developed motivational questionnaire (IMOAP) on influence of motivation on academic performance for secondary school students and teachers duly vetted by specialists in educational measurement and evaluation, guidance and counselling and educational psychology were used to obtained information from the respondents. Data collected were analysed using the simple percentage. The results of data analysis showed that: Motivation of students is very important for better output in the academic pursuit. Students’ motivation has high positive correlation in their academic performance. There is significant relationship between school environment and structure and students’ motivation. Based on the findings some relevant educational implications were highlighted and some recommendations were made.