[Jim Noble]

How about single entry with metal detectors. Also, the custodians can be trained to carry weapons.

Yes, of course.

How about 39 police calls because you are crazy dangerous and a history of animal torture gets you sent somewhere nice where you can't hurt anyone?

[blackdog]

How about a picture id badge with a reader and turnstile to enter a building? That way the school can just deny access to anyone without an escort.

Like the workplace world? Heck, we have one to come in from the parking lot, one at the main entrance, and one to enter every controlled access point like offices and bathrooms.