At some schools, they're more about college prep than college credit.

Research and outreach at Roosevelt High is putting more kids in advanced classes.

Compare, by race, the percentage of students enrolled in your high school with the percentage enrolled in at least one an AP class.

Minority and low-income students are often overlooked for the toughest classes.

Massive open online courses are going after the teenage market.

The percentage of high school graduates who have taken AP tests have doubled.