Charging laptops at school

What are the negatives of Rimu charging there laptops at school. 

It uses a lot of power. 

There will be chargers all around to class and people could trip over them.

I uses a lot of money.

What are the 2 of the suggestions for solving the problem.

We could charge our laptops at lunch times or morning tea.

we could have one or tow chargers at school so there are not to much chargers at school

What is your opinion about Rimu students charging there laptop at school.

I dont like how can charge our laptops at school because peoples laptops batterys are not that good and run out after the second block