Princeton本科学生高中分布：私校 39%， 公校 61%
https://admission.princeton.edu/how-apply/admission-statistics
看了HMS,HBS,HLS学生本科分布，应该对美国最好的几个医学院，商学院，法学院的学生来源有个大致了解。
1) HMS
(Year 2019录取): US private colleges 165/208 = 79%, US public colleges 42/208 = 20%, International colleges 1/208
来源: HMS 2019 New Offer Report
2) HBS
(Year 2013入学): US private colleges 47%, US public colleges 18%, International colleges 35%
https://poetsandquants.com/2011/08/15/top-feeder-colleges-to-harvard-business-school/
3) HLS
HLS应该和YLS大同小异
YLS (Year 2016入学): US private colleges 70%, US public colleges 19%, International colleges 11%
http://bulletin.printer.yale.edu/pdffiles/law.pdf (Pages 166-169)
https://groups.wenxuecity.com/groups/bbs.php?act=bbsview&gid=1199&basecode=1013343
