Students at Grinnell College, a private school in the small town of Grinnell, Iowa, are known for their social activism. Grinnell ranks top among schools of its size in sending volunteers to the Peace Corps.

Vassar College is a private liberal arts institution in Poughkeepsie, N.Y. Though Vassar was a womens college until 1969, males now make up more than 40 percent of the student body.