Which gives the best picture of a college's student body, GPAs, test scores, or HS class rank?

[tk21769]

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And data have shown that a lot of high-scorer students on SATs dropout from college and do not graduate at all. This is a usual occurrence at schools like Caltech, MIT, Berkeley, Stanford, CMU and such schools.

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<p>Here are the 4 year graduation rates at those 5 colleges (which all have very high average test scores):
84% MIT
80% Stanford
79% Caltech
73% CMU
71% Berkeley
(Source: Kiplinger’s)</p>

<p>6 year graduation rates at all those colleges in recent years have been above 85%.
<a href=“http://colleges.usnews.rankingsandreviews.com/best-colleges/rankings/national-universities/data/sort%2Br_c_avg_pct_grad_6yr/sortdir%2Bdesc/spp%2B25”>http://colleges.usnews.rankingsandreviews.com/best-colleges/rankings/national-universities/data/sort%2Br_c_avg_pct_grad_6yr/sortdir%2Bdesc/spp%2B25&lt;/a&gt;&lt;/p&gt;