If you look at the original source, you'll find that 1) it's only 25% if you don't count Yalies who went to grad school, about a quarter of the class, and 2) there was a HUGE (50%) falloff from 2008 to 2010 due to the crash, so in 2010 it was more like 12-15%, not 25%.
Original source that they don't link to: http://www.yale.edu/oir/open/pdf_public/YC%2010%20Sr%20Study...
If you look at the original source, you'll find that 1) it's only 25% if you don't count Yalies who went to grad school, about a quarter of the class, and 2) there was a HUGE (50%) falloff from 2008 to 2010 due to the crash, so in 2010 it was more like 12-15%, not 25%.
(Yale senior here)