For some strange reason, in the hollow of a tree outside Konohagakure village, there is a path leading to a station to a place called Hogwarts. Several shinobi immediately reported this strange passage to the Hokage. Shikamaru Nara, a jonin at that time was sent to Hogwarts and under headmaster's agrement. He can learn about the culture here

In Hogwarts, Shikamaru can saw students in a robe and using magic, not jutsu.

"What a drag"

He grumpy, muttering while walking along the school yard.