The threat to the students and stuff of schools around the world is increasing day by day by a large margin. In the USA alone, there were 22 school shootings happened in just 20 weeks of 2018. It becomes a serious threat to the safety of our children at schools. To fight with this ongoing problem, biometric based visitor management system will be more beneficial for school security. It can instantly reject a registered criminal and prevent them to enter the school. Also, the system will include all of the students and stuffs list, so anybody out of them will be checked precisely. There are more to go. Check out this presentation for detail and know the reason to deploy biometric based visitor management system for school.