How does Penn view schools that don't rank?

<p>To put class rank in perspective, of the freshmen who entered Penn in the fall of 2012, only 30% had submitted a high school class rank (see page 12 of the 2012-13 Common Data Set):</p>

<p>[Penn:</a> Institutional Research & Analysis](<a href=“http://www.upenn.edu/ir/Common%20Data%20Set.html]Penn:”>http://www.upenn.edu/ir/Common%20Data%20Set.html)</p>