The change will happen over the summer as part of a school hardening initiative, converting all locks to 'storeroom' locks that automatically lock when a key isn't inside.

Currently, keys sold after July 1 would need to be under a certain threshold – lead is limited to more than 0.009 percent by total weight (90 parts per million), cadmium at more than 0.0075 percent by ...

A House-Senate conference committee should scrub the new law or push out the start date, writes columnist Rochelle Olson.