The gap in college completion between high- and low-income students reduces by half when both groups of students take Calculus by 12th grade.
This is actually a pretty great conference. Most of the attendees are very similar to the Breakthrough teachers I meet in my work: committed to service, idealistic, and friendly. I attended a workshop on debunking the private sector/public good divide, and learned about some great organizations.
Highlights, worth checking out: