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<p>I’ll have to agree with JHS that this is truly silly and there is no evidence for it whatsoever. What is true is that there are fewer Princeton graduates at the leading law schools than graduates of Harvard and Yale. There is a simple explanation for this as JHS has already pointed out. Until just recently when Princeton increased its class size, Harvard sent 38% more undergraduates out its gates each year than Princeton sent out of its. Even after the recent increase in class sizes at Princeton, Harvard still graduates 26% more students each year than Princeton. Yale and Princeton class sizes are now about the same but up until just recently, each Yale class was about 12% larger than Princeton’s corresponding class. More total graduates obviously means more will appear in the law schools.</p>
<p>Princeton classes also contain a much higher percentage of engineers, a group with a far lower probability of applying to law school.</p>
<p>Those Princeton graduates who do apply to law school do very well indeed. Here are recent numbers for the LSAT averages among graduates from Princeton and some of its peers. The numbers vary from year-to-year given the small total number of applicants.</p>
<p>Average LSAT scores for college graduates</p>
<p>166 Harvard
165 Princeton / Yale
164 Stanford
163 Brown / Columbia / Dartmouth / Duke / MIT / Penn
162 Chicago</p>
<p>There was an article in the Daily Princeton this last year suggesting that Princeton graduates were not doing as well in their applications to the top law schools as the graduates of Yale. The journalistic flaws were obvious. Many of the top schools (including Harvard) do not publish their law school acceptance rates. Princeton and Yale, do publish these numbers (though Yale does not do so consistently) and the writer of the article compared them. The percentage acceptance rates were quite close though Princeton’s were slightly lower (37% at Yale to the top 12 law schools and 32% at Princeton). More important was the fact that the author of the article took the numbers for Yale from 2007 and the numbers for Princeton from 2008. The years 2008 and 2009 saw a larger number of law school applications due to the downturn in the economy with tougher competition for all, especially at the leading law schools, so acceptance rates tended to be lower than in 2007. This was a comparison of apples to oranges.</p>
<p>The second issue here is that the applicant pools represented by both of these sets of numbers include alumni. In fact, the vast majority of the applicants are alumni. In Yale’s case 78% of the applicants in 2007 and I would guess the number for Princeton was something similar in 2008. There is absolutely no way of knowing the academic profile of this random group of alumni applying in any given year. While the profile of the group of current students applying is probably more predictable the profile of the alumni applying could change far more from one year to the next.</p>
<p>So, we’re comparing statistics from one school for 2008 to statistics from another school for 2007. Even if the source data were from the same year, we have the problem that it is a single year comparison only and there is great variability due to the profile of the alumni who make up the majority of the applicant pools. I would have to say that the writer of the Daily Princetonian article could have been more careful in the analysis.</p>
<p>Finally, given the prominence of the engineering school (and the sciences) at Princeton, the following comparison might be of interest as well. Here are the most recent statistics normalized for the size of each school for the production of PhDs in the sciences and engineering.</p>
<p>National Science Foundation Study of the Undergraduate Origins of PhDs</p>
<p>Rank % of undergraduates going on to earn PhDs in Science and Engineering Fields Over Ten Year Period</p>
<p>1 35.2% CalTech
2 24.9% Harvey Mudd
3 16.6% MIT
4 13.8% Reed
5 12.9% Swarthmore
6 11.7% Carleton
7 10.8% U. of Chicago
8 10.5% Grinnell College
9 10.5% Rice
10 10.3% Princeton
11 9.9% Harvard
12 9.7% Bryn Mawr
13 9.5% Haverford College
14 9.1% Pomona College
15 8.7% New Mexico Institute of Mining
16 8.4% Williams
17 8.4% Yale
18 8.2% Oberlin
19 8.1% Stanford
20 7.7% JHU</p>
<p>[nsf.gov</a> - NCSES Baccalaureate Origins of S&E Doctorate Recipients - US National Science Foundation (NSF)](<a href=“http://www.nsf.gov/statistics/infbrief/nsf08311/]nsf.gov”>Archive Goodbye | NCSES | NSF)</p>
<p>Are Princeton students more successful than Harvard, Yale and Stanford students in acceptances to PhD programs? Unlikely. What statistics like this show is again biased by the interests of the undergraduates. In this case, there is simply marginally more interest among Princeton graduates in pursuing PhDs in these areas. </p>