The October 1, 2003 issue of The Crimson has an article about Kappa's recruitment for its new colony. According to the article, Kappa "expects to accept 45 women," which will be similar to the number of members of each of the other sororities, DG and Theta.
All three will participate in spring recruitment.
The article is at
http://www.thecrimson.com/article.aspx?ref=349063
or go to
http://www.thecrimson.com and use the search tool to locate the article (type in "kappa gamma," or "sorority," for example)