GFSZA makes an exception for those licensed to carry weapons by the same state that the school is in.
So you whine like a LITTLE BABY for nothing.
Although the Federal GFSZA does provide an exception for an individual licensed to carry a firearm, this exception only applies in the State that physically issued the permit.
Although the GFSZA allows a citizen to discharge a firearm on private property, it prohibits discharge on public property in the Gun Free Zones by anyone except on-duty law enforcement and school security.
A carry permit never exempts an individual from the GFSZA discharge restrictions, even in the State that physically issued it.
So you carry a gun into the school if you have a CHL.... but you cannot use it.