Biometrics in schools is a way of using people's physical and behavioral characteristics to identify them. For example, this could be used to make sure that only the students in a certain school can access certain areas of the school. Biometrics might be used in the form of fingerprint readers, retinal scanners, or face scans. It's like a form of digital identification that is unique to each person. In this way, it can help keep students, staff, and visitors safe.