I assume there will be repercussions. This little girl will get a lower grade on every single assignment that can be graded subjectively than she would have without exposing what an evil witch her teacher is.
If her parents think that will happen, they need to inform the administration that there better not be any recriminations against their daughter or there will be hell to pay. My guess is that the administration will not want to open that can of worms and will instruct the teacher to treat the girl fairly.