we take into consideration the expectation of privacy, a school is a public place. so there is no expectation of privacy. often times when you have the cameras that align the interior and exterior of of the school, it focuses on two fronts, a security component, just to be sure that is inordinate that occurs, the proper authorities can be alerted and immediately dispatched to that particular area. we have a power outage or a national disaster, it is an additional help for first responders to ensure that people can exit that facility. we take into consideration the surveillance -- i shouldn't use the term surveillance -- but the ability to look at what people are doing in that school is merely for the protection of those students. you won't see cameras in places like a locker room or a place where you do have an expectation of privacy, even in a classroom