On the other hand, schooling in private schools are very expensive. It may be a burden to an average family. Moreover, these schools can create social discrimination like rich and poor because only affluent classes can afford such charges . In addition, students may develop negative qualities namely, not having social contacts with people from low economic status and they may treat others as inferiors.
I think it would be better to have the highlighted sentence as your main idea, meaning this can be a strong opening sentence for your paragraph.
but they should minimisereduce their prices so that it is reachable to allcan be affordable by most people in the society
keep it simple
and they should also teach more about the basicsessentials of life like respect towards everybody irrespectiveregardless / in spite of religion and socio-economic position
be careful in choosing your words...
indeed this is a good attempt..great ideas, and you responded very well to the task.
hope this helps...