Top 10 "feeder schools", all of which are private, and the percentages of their graduating classes who attended either Princeton, Harvard or Yale:
1. Roxbury Latin School, West Roxbury, Mass.; 21.11 percent.
2. Brearley School, New York; 20.90 percent.
3. Collegiate School, New York; 20.00 percent.
4. Groton School, Groton, Mass.; 17.86 percent.
5. Dalton School, New York; 17.58 percent.
6. Spence School, New York; 17.16 percent.
7. Horace Mann School, the Bronx, N.Y.; 16.77 percent.
8. Winsor School, Boston; 16.74 percent.
9. Milton Academy, Milton, Mass.; 15.84 percent.
10. Phillips Academy, Andover, Mass.; 15.68 percent.
The highest-ranking public feeder schools, with their overall ranking and the percentages of their graduating classes who attended either Harvard, Princeton, or Yale:
26. Hunter College High School, New York; 9.36 percent.
59. Princeton High School, Princeton, N.J.; 6.30percent.
71. Thomas Jefferson High School for Science and Technology, Alexandria, Va.; 5.89 percent.
81. Scarsdale High School, Scarsdale, N.Y.; 4.91percent.
87. Bronxville High School, Bronxville, N.Y.; 4.71 percent.
90. Millburn High School, Millburn, N.J.; 4.64percent.
101. University of Illinois Laboratory High School, Urbana, Ill.; 4.26 percent.
102. Academy for Advancement of Science andTechnology, Hackensack, N.J.; 4.21 percent.
120. Stuyvesant High School, New York; 3.67percent.
142. Weston High School, Weston, Mass.; 3.22percent