Procrastination is one concept which has played a great role in assessing students’ preparedness to learn and gain positively in the field of education. This study was undertaken to investigate the relationship between procrastination and academic achievement among adolescent secondary school students in Edo State. Using a stratified random sample technique, two hundred and forty (240) JSS1 students were randomly selected from the three senatorial districts of Edo State comprising of Edo north, Edo south and Edo central.