The study investigated Study Habits and Academic Performance of Secondary School Students in Rivers-West Senatorial District of Rivers State, Nigeria. The population of the study is 2,650 Senior Secondary Two (S.S.2) students in selected public schools in the Rivers-West Senatorial District. The sample size is 437 which was chosen through Taro Yemeni’s sample size selection formula. The instrument for data collection was a questionnaire which dwelt on the extent of relationship between aspects of study habit such as regular reading, students-teacher consultation, regular involvement in doing class assignments, regular library patronage and regular engagement in doing take-home assignments and academic performance. Five research questions guided the study and were analysed using mean statistical tool. The findings revealed that there is high extent of relationship between study habit and academic performance. Consequently, recommendations were made which include: parents should provide books and encourage their wards to study hard; counselors should be employed to counsel students on how to develop study habit; students should be encouraged to do their class and take-home assignments.
Keywords: : Academic Performance, Assignment, Study Habit, secondary school students