Well, expanding one's horizons is never bad. I won't be surprised if in college she'll have to write in free verse as well as in metered structure, f'rex :3
And as noted in some places, free verse isn't really free. It often obeys many rules of its own. ESpecially rhythm. As for alliteration, that has a home in free verse as well.
RE: "In Toga-Armor Clad" (poem) ... My Daughter's Scholarship Entry