My problem with Harry Potter

In reality I might have a few problems with Harry Potter but only one of them is on my mind at the moment.

Can Harry Potter coexist with religion?

One thing that sets Harry Potter from other fantasy universes is that the Harry Potter Universe is trying to be our Universe. In The Chronicles of Narnia there is a parallel fantasy universe that is linked to our universe, In The Lord of the Rings there is a fantasy universe that as far as I know is completely parallel to universe.

In the Harry Potter Universe the students at Hogwarts go home twice a year for Christmas and Easter holidays. Going home for Christmas makes sense because Christmas is pretty big on a secular aspect, but wizards and witches going home for Easter just seems weird to me, for what purpose would the Malfoys or the Weesley's have for celebrating Easter. This seems weird to me because it's kind hard for me to imagine God and magic existing in the same realm. I don't have a problem with reading Harry Potter for this reason but it just makes me a little uncomfortable.