Computer education is one of the key features of the school curriculum. The school’s computer class is well equipped for students use. Students are allowed to familiarize themselves with computer through regular practical sessions.

Grandmates Secondary School was founded on the 15th of September, 1997, she is recognized and approved by The Lagos State Government to run Nursery, Primary, Junior Secondary and Senior Secondary school Programmmes. The school has also secured the recognition of West African Examinations Council (WAEC) and National Examination Council (NECO) as an approved Centre for the regular Junior and Senior Secondary Certificate Examinations. Discipline, professionalism and commitment to excellence have helped us to be focused in bringing up young adults in the fear of God, love of humanity and the fatherland.