Where does your child want to live upon graduation? And does he know what he wants to do within the field of finance?
Of the schools you are considering, I think UMD and Richmond have the best reputation in DC and NY. Richmond will have a different curriculum (with a liberal arts core) from the other schools. Is that what your son is looking for?
Does your son have a place he feels is the best fit? So much of business school is clubs and networking, etc. It helps to like where you are and the other students!