Answer :
Teachers and principles probably still want to keep school a little old fashioned while still having little technology by the next year or 2 we'll might not have to carry heavy backpacks anymore I wish you the best of luck.
The electronics would probably hurt your eyes after a while plus if you didnt carry a bag then you would be very weak
Just dont put too much in the bag because you dont want to hurt yoyir back
Just dont put too much in the bag because you dont want to hurt yoyir back