The main objective of the study was to assess the Influence of information and communication technology on aggressive behaviour and academic achievement among secondary school students in Giwa educational zone. To achieve this purpose, four specific objectives with four corresponding research questions and hypotheses were stated, and ex-post-facto design was adopted for this study. Data for the study were collected from 360 respondents. The used of questionnaire on information and communication technology and Aggressive behavior scale were the instruments used for the study. The data collected were sorted and analyzed to test the stated null hypotheses using Pearson correlation and independent sample t-test at alpha=.05 The result of the analyses revealed that information and communication technology was found to have significant relationship in academic achievement among the students (r=-0.600, p=0.000), information and communication technology have significant relationship on aggressive behaviour among the students (r=0.584, p=0.000),and gender differences exists between male and female students on information and communication technology in academic achievement (t=4.654, p=0.000), and also gender difference exists between male and female students on aggressive behavior (t=1.261, p=0.208). Based on the findings of this study, it was recommended that school psychologists, counselors, teachers and parents should monitor their children and sanction the kinds of negative use of information and communication technology to reduce aggressiveness and enhance academic achievement in school and students should be monitor on the nature of their information and communication technology usage in classroom in respective of gender.