Yeah. It's probably different from what you were taught, though.

[ With those words spoken, he let's the swords dissipate from his hands in a flash of blue magic. ]

But it isn't against the rules. As long as I can do archery, I can be classified as an Archer. I was a part of the archery club for a while, in fact. Sometimes I use the swords as arrows for a Broken Phantasm.