Examination sitting arragement Plan for a school

[vishwajeet_chakravorty]

Is anyone can share me school examination Room Sitting plan. In My school there are 900 students. Two sections in all Classes. 20 Rooms are the. Sitting plan of a room will be like this.
In one Room
1. 4 rows
2. Im one row 5 benchers are there.
3. In one bench two students will sit of different class.
Like wise we have to arrange.
Is there anybody who can help me. I an shareing a you tube video for your help to make the plane.
Examination seating arrangements - YouTube
Thanks
with regards