International Journal for Innovation Education and Research ISSN 2411-2933 01 December 2020 International Educative Research Foundation and Publisher © 2020 pg. 146 Effect of School Environmental Factors on Academic Development of Secondary School Students in Boripe Local Government Area of Osun State. Sangodapo, A. Department of Business Education, School of Vocational and Technical Education, Osun State Polytechnic, P.M.B. 301, Iree, Nigeria. +234 803 564 3104 akinbodesangodapo@gmail.com Ola, A. A. Department of General Education, School of Vocational and Technical Education, Osun State Polytechnic, P.M.B. 301, Iree, Nigeria. Abstract This study is designed to investigate the effect of school environmental factors, particularly the serenity of school environment and adequacy of school facilities on academic development of secondary school students in Boripe Local Government, Osun State. The study made use of descriptive survey research design. Structured questionnaire was used to collect primary data from the sample size of 41 respondents selected from ten selected secondary schools in Boripe Local Government. relevant works of authorities in related fields were reviewed. Data were presented in tabular form and analyzed, using mean rating and standard deviation as descriptive statistics. Chi square test statistics was used to test the hypotheses at 0.05 level of significance. The study found that the serenity of school environment influences academic development of secondary school students, and that adequate school facilities enhances academic development of secondary school student as wells. It was recommended that government should set standard for serenity of secondary school environment and enforce same to ensure compliance always. Further to this, upgrade, renovation and provision of adequate secondary school facilities should be ensured to enhance students’ academic development at both state and federal level. Keywords: Academic Development, School Environment, School Facility, Secondary School Students, Serene Environment 1. Introduction Over the last two decades, there has been a growing appreciation that the school environment, the quality and character of school life nurture or undermine children’s academic development, learning and academic