Did Son mess up on First Choice?

<p>do any of you have the best phone number to reach NM about changing my college choice. I was just notified by Tufts of a NM award ($2000 not the usual $2500 for 4 years) , but want to go to WashU that gave me better Fin. Aid. I’m also on the waiting list at an Ivy, so should I try to stay undecided until the May deadline? thanks for any help you can give me!!</p>