<p>Ask the roommate please. Those rooms are generally pretty tiny. Also you’re going to need roommate cooperation to make sure nothing spills, it doesn’t become a responsitory for clothes, beverage cups, etc. etc. If the roommate is good to go then you have your answer. Your son should also look into facilities at the college, most even the smallest colleges have practice rooms with pianos, some have dorms with pianos, etc. etc. if the roommate says no go.</p>