Hogwarts does not study any religion.
It was studied in the home, in temples, and in the ancient Agora.
As the Greeks studied science, how did it begin to change their relationship to their religion and to their gods?
As he wrote on religion, he presumably studied religion to some extent.
The Israelites traditionally studied the religion of Judaism.
he studied a lot of Hebrew but he really doesn't have a religion!
If people studied the Islamic religion in full, then no one would be attracted to such a religion.
Zoroastrianism.
Religion. Or magic.
they studied Christianity after they were conquered
the patheolithic people didn't really have a religion. They expressed themselves by their art work.
The whole bible talks about Hogwarts your actions reflect on your faith and religion. In a nnutshell that is karma.
Religion and the art of fighting was taught in telpochcalli.