<p>The top preps attempt to populate the incoming class the same way as the Ivies. A huge difference, however, is the amount of resources they put in to tutor admits who are not as well-prepared due to coming from inner-city schools. They have huge endowments that allow for support, in both financial aid and tutoring, for the rich, poor, and middle class.</p>
<p>If you're applying to a non-need blind school, and don't need FA, it certainly increases your chances of admission, but doesn't guarantee it.</p>