This research is a venture into a study of the impact of some selected library services on the academic success of students of the Federal University of Technology, Owerri, Nigeria with a view to establish if there exists any relationship between specific library services and academic performance of students. A test-retest reliability method of two weeks interval was conducted. Responses obtained were subjected to Pearson Products Moment Correlation (PPMC) method and a reliability coefficient of 0.83 was obtained. Multistage sampling technique was employed. 1656 respondents were selected for the study, with 89% response rate. Descriptive and inferential statistics were employed in the study. The study found that the significant mean score of Internet services (3.33), Selective dissemination of Information SDI(2.93), and circulation services(2.97) were above average (2.5) with reference services(2.46) alone being below average. However, only Internet Services(R=0.880 p-value=0.049<0.05) was found to correlate significantly with the student academic performance. The most utilized services at FUTO library are the internet services, seconded by Book Loan services. It was recommended that more effort should be put to ensure the sustenance of internet and circulation services as they help students achieve higher test scores.
