<p>I would think it odd if a kid applied to all the Ivies–and no other highly selective schools. That would suggest a lack of careful consideration. If a kid applied to all the Ivies, as well as Stanford, Duke, Chicago, Rice, Hopkins, Emory, MIT, Amherst, Williams, Swarthmore, and CalTech, I would think he was overdoing it a bit.
But I agree that one kid can like multiple Ivies that may seem quite different. My son also liked both Brown and Columbia, for example.</p>