Worse than that. To conclude that lunches are sub par, they have to be searching the lunches of students. Authority?
Have the kids eat off campus.
Pre-K?
Have the kids learn off campus, too.
In fact, make sure the kids never set foot on campus in the first place.
Private school ... home school ... either way, the kids are free from the petty tyrants in the government run socialist indoctrination centers.