Determining whether or not classroom doors in your school have code compliant locks is simple. The National Association of State Fire Marshals guidelines address door security devices, which are mandatory in many states as they are included as part of the International Building and Fire Codes and Life Safety Codes.
They mandate that locking mechanisms should be able to do the following:
If the doors in your school meet the three guidelines outlined above, then they are code compliant classroom security locks.
