In this data article, questionnaire was administered to public sec ondary school teachers to investigate user-perceptions of the prevailing deterioration condition of the school buildings, in Ogun State, Nigeria. The condition of some factors such as, roof, paints, floor, walls, windows, doors, electrical, plumbing, toilets, WC, pipes, drains were the investigated variables. The data presented here are the opinion of the respondents. Through this research, it was discovered that most of the academic building of public sec ondary school of our study area were not properly managed and poorly maintained as a result of insufficient fund for maintenance and lack of maintenance culture