During FireBEFORE :

The schools to be given license only after checking up its safety.
The schools must have sufficient exit routes.

DURING :

Exit from the school to an open area.
Contain the fire if possible. If not , get outdoors immediately.

AFTER :

DON'T Re- enter or permit anyone to enter the school building , unless the fire officials have given permission to enter.
Teachers to confirm that all students have reached their homes safely.  Read More...