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That's good! I think you're on to something then. Have you brought this idea up to the attention of the other library staff?

It's standard library policy regarding that kind of disruptive behavior.

That's good then. Are some of the staff members not holding the kids accountable. Is that the issue?

Nope, it's mostly just a case of kids with too much pent-up energy after school, and too little situational awareness.