But my daughter can open a lock easily from the inside, this isn't going to help this situation. I'm talking about not being able to open them until I trust her again.
She could always break the window if there was a fire and she needed to get out. I will check on what my insurance company says about that. And as far as CPS goes, I have worked with them in the past. They will not bother with such a trivial thing as a lock on a naughty child's window. We have reported kids with hand-print and fist shaped bruises and they did nothing.
Locks on windows don't keep thieves out. When they encounter a lock all it tells them is they need to push harder with their hand to break the glass. Besides I had to break into my own house once, it's easier than you think.