This study investigates psychosocial factors as determinant of examination malpractice among secondary schools' students in Ondo State. The study adopted descriptive research design of the survey method. A total of 200 respondents were selected from 5 secondary schools using simple random sampling technique for the study. Four hypotheses were generated. The major instrument utilized for collection of data was a self- constructed questionnaire titled "Students Psychosocial factors on examination malpractice (SPFEM). Chi-square statistics was used to analyze the data collected. All hypotheses were tested at 0.05 level of significance. The findings of the study revealed that there was a significant relationship between psychosocial factors (that environment, self-efficacy, anxiety and parental pressure) and examination malpractice. Based on the findings of the study, it was recommended that guidance programme be organized on study habits and preparation for examination for students in secondary schools.