The most complete set of solutions we have ever come across was in Ellen Spertus 1991 study "Why Are There so Few Women in Computer Science?". This is merely a summary of some of the solutions she offered, as used in our presentation.
Though we would certainly like to see more women in computer science in the future, the main question is not to have a 1:1 ratio of women and men in the sciences. The main hope is that an environment is created in which every woman who wishes to pursue computer science as a field feels supported and comfortable to do so. The goal is to remove the barriers to entry and the barriers to "continuation" that exist for women in the computer science field.

To see Swarthmore specific solutions that have been tried or thought about, see the Swarthmore recommedations page.