Many things happen in public schools, peer group influence, cultism, gay shits, drug abuse etc. Of course they happen in private schools too but they are very rare there. The most annoying thing is that public schools has poor educational system.
Such problems can be seen in any type of school, public or private. Some public schools are also doing well here and there. If we consider from an overall perspective, in private schools, ordinary children are taken care of very much which is not seen in public schools. Although public schools are doing well in many places but that is not in most places. There are comparatively better things available in private schools. When you send your children to any school, the first thing you should know about that school's environment whether it is private or public.