Someone wondered why Little Mermaid would be offensive...
That was me, hoping that the OP of that statement, that it went against her parenting beliefs, would answer because I am truly puzzled as to how the Little Mermaid show could go against parenting beliefs. Maybe it's that Ariel rebels, and that goes against her parenting beliefs? I'm never going to get an answer tho, so your guess is as good as any.
On to your story, that's potentially the hardest part of teaching, dealing with some parents. That's too bad that your student didn't get to participate because of parenting beliefs.