School security covers all actions put in place to protect threats in happening to people and their properties in education environment (Goodwin, 2016). School safety or security as it implies in other sources has been defined as the shelter of students from violence and bullying, as well as exposure to harmful element such as drugs and gang activity (safe supportive learning, 2018). This phenomenon is what led the investigation of the role played by the teachers on the security management in their schools. This research used qualitative method of data collection, three secondary schools which are characterized with most population of student were taken into the research coverage; and 8 Principals and 20 teacher, as total 28 persons were interviewed by asking open ended questions. The views of the participant received along with the security related issues such as security problem sources, school policies and decisions and school support services were realizes. The data was analyzed by qualitative techniques. The findings of the study revealed that there are roles played by the school management and teachers in ensuring their school security for the safety of their student and the academic activities, they ensure regular monitoring and supervision during the school hours it was also found out that many schools benefit from the security vigilante system to maintain the peaceful atmosphere of. The research recommended that there is need for training of the teachers on the issue of measures to be taken on their school safety. Keywords: School Security, Management, Effective Learning