Many doors that do not have hardware that allows teachers to lock it from inside the classroom can be locked by turning a thumb turn or by pushing a button on the door.
Should colleges have clasroom doors that lock.
See figure a in response to school shooting concerns a new function was designed called a classroom security function door locks with this function can change their locked or unlocked status on both the outside or inside of the classroom but still only through the use of a key.
Even though the school district has updated classroom doors to classroom security locks which can be locked from the inside with a key the outside levers will be kept locked.
First you comply with title 8 cal osha on emergency egress single action exits meaning you cannot be required to put a key in the lock to unlock the door to escape during a fire.
The short answer is yes you can lock your classroom doors as long as the following regulations are met.
The vast majority of school doors can remain locked from the outside while still having a handle release on the inside mainly due to building or fire codes.
Some schools prefer doors that students can lock in an emergency.
Classroom door security locking hardware the ability to protect students and teachers while in the classroom is a high priority in all educational institutions.