The study investigated the effect of NYSC teachers` input on the students’ academic performance in secondary
schools in Ogun – State. As a descriptive survey, the study population comprised 1650 respondents comprising 150
school principals and 1500 students, Multi stage stratified and simple random sampling techniques were used. Data
collected were analyzed using frequency counts, percentage, means and Pearson Product Moment Correlation. Five
null-hypotheses were tested at 0.05 level of significance. The study reveals that the input of NYSC teachers on
secondary school students was close and, as such students` academic performance was significantly related to
NYSC teachers – Work Habit, General Ability, Resourcefulness, Personal Qualities and Mental Stability. Based on
the findings, it was recommended that Nigerian government should implement the NYSC Scheme as stipulated in
the National Youth Policy and Strategic Plan of Action, protect its youths from security threats of Militants and
Boko Haram amongst others. This will enhance the effectiveness of students` academic performance.