Usually , nowadays , we are sending circulars through whatsapp and school management system app to save paper and have digitilized system.
Some sample circulars are as follows:
CIRCULAR 1-FOR SCHOOL REOPINING
CIRCULAR 2-RESULT OF PRE-MID EXAM
CIRCULAR- 4-REGARDING USE OF ELECTRONIC GADGES AND DISCIPLINE
CIRCULAR-5-FOR REGISTERATION OF CLASS 10 (LOC)
CIRCULAR-6-FOR CLASS 9 REGISTERATION