Spelling error. Remember, the PrinciPAL is your PAL.
A school that allows a parent to dictate that a picture of the sitting President of the United States cannot be posted in the school....I would bet that same school would not allow a parent to dictate 'my child will not be taught in school about sex in any way shape or form, or that the same school would allow the posting of pictures of how to use condoms correctly.
I have a confession to make. I had a photo of Bush Senior hanging in my office when I was in the military. I never got around to taking it down or replacing it after Clinton was elected (I was awfully busy, you know.) The amazing thing was that no-one ever said anything to me about it, and I didn't notice the oversight until I was packing up my things when I PCS'd...