THE EFFECT OF INTERNET ON THE ACADEMIC PERFORMANCE OF SECONDARY SCHOOL STUDENTS ABSTRACT This study was designed to find out the effect of internet on academic performance of secondary school students. A case study of some selected schools in Abeokuta South Local Government Area of Ogun State. Five (5) Private Schools were randomly selected, one hundred (100) pieces of questionnaire was administered to the five (5) selected Private Schools, twenty head teachers were random chosen for the study. The total numbers of respondents were one hundred (100). Based on the findings, the study shows that internet is a tool that can develop children mentality and it has really played an important role in the society, it has transformed the society positively. Besides, the finds shows that internet is also a tool that impede the academic performance of students based on the misuses of technology by both the teachers and the pupils. Based on the findings, the research recommended that: parents, teachers and other adults working with children should limit the extent of time children spend using computers and supervise the content children are exposed to including games, software and the web. Moreover, state and local education agencies should refine and adopt age appropriate guidelines for children’s computer fluency such guidelines should be disseminated to all elementary and secondary teachers and incorporated into pre-service and in service technology training sessions. Also Government should organize free ICT enters in the society and full supervision in order to make the children understand or have the earlier knowledge and to know the positive and negative aspect of internet in order to compliment the finding from this study.