It's called an analogy.
Entry into the in-use church building is something apparently forbidden by his religion (presumably deemed an enorsement of polytheism merely by walking into the sanctuary, if it parallels Judaism, which is what I know).
I used "dunking" (a reference to a a protestant practice) as an example of something that would be frowned upon, if forced on a Roman Catholic.
Again, if you read my first post on this thread, I have no idea if this is a legitimate muslim religious objection. Indeed, I doubt it is.
If so, however, it is, and should be, legally protected.
Otherwise, the secularists who run most schools will be forcing Islam on your kids.
The school doesn't bow to my beliefs, why should they bow to anyones? It does not matter what they believe, if my belief can't be honored, why in the world should theirs?