I'm not sure you can solve the problem if you can't trust the teachers. In Rob Gifford's "China Road", there is a story of a chinese girl who had her identity

I'm not sure you can solve the problem if you can't trust the teachers. In Rob Gifford's "China Road", there is a story of a chinese girl who had her identity stolen by a corrupt teacher. She was told she failed a school entrance exam when in truth she passed - the teacher helped another student from a wealthier family use her identity to get admitted to a school.