The study examined the effects of reading culture on students’ academic achievement and interest in senior secondary school English Language in Afijio Local Government Area of Oyo State. A stratified random sampling method was used to select the 5 secondary schools that participated in the study and Simple random sampling technique was used to select 400 students from the selected schools. The instrument used in gathering the data was a questionnaire designed by the researchers. Mean and Standard Deviation was used to answer the research questions. The findings revealed that students taught English Language using good and bad reading culture affects academic achievement of Senior Secondary School Students; also, gender has significant influence on the reading culture of Senior Secondary School Students and interest have significant influence on the reading culture of Senior Secondary School Students. Based on the above, the paper recommends that a compulsory course for all students on reading should be introduced in the schools.