California State Universities-Information and Application Overview
This is the CSU system's main website, where not only can one learn facts about all 23 CSU campuses and majors, but it's also where one applies to each CSU campus between October 1st and November 30th of each year. The application link usually appears online at some point on or very near October 1st.
This website provides excellent statistics regarding admissible GPAs, financial aid, etc.
College Results Online
Fabulous website for checking grad rates, retention rates and other really useful information.