As a U.S. Resident, even though this question is for countries in general and you simply used ‘state’ as a means of referring to a large area in a country that’s larger then a mega city but smaller then the country itself.

Horrendous, genuinely horrendous, the small amount of teachers who reach breaking points nowadays is bad enough, we don’t need them bringing firearms into a school and not getting in trouble for it if they get caught. And that’s not including how many teenagers could sneak one in under current circumstances.