Ilesha Grammar School is a secondary school located in Ilesha, a town in Osun State, Nigeria. Established in 1965, the school aims to provide quality education and foster academic excellence among its students. It offers a range of subjects and extracurricular activities to support holistic development. The school is known for its commitment to discipline and character building. It has produced many successful alumni who have excelled in various fields, contributing positively to society. Ilesha Grammar School continues to play a significant role in the educational landscape of Nigeria.