Oberlin College in Ohio might be of interest to you.
Smith College (Massachusetts) (all female school) is very liberal and offers a lot of financial aid.
Grinnell College in Iowa offers excellent academics, great financial aid, and is quite liberal.
Trinity College in Connecticut is trying to increase diversity.
Vassar College in the Hudson Valley area of New York state.
Bryn Mawr located in a beautiful suburb of Philadelphia. Very liberal, social justice warrior, all female school.
Wesleyan University in Connecticut.