Dive Brief:

• In the last decade, the number of U.S. public school students taking Advanced Placement classes has almost doubled, a College Board report shows.
• The class of 2013 took 3.2 million AP exams.
• The number of low-income high school graduates who took an AP exam has quadrupled over the same period.

Dive Insight:

As the number of students taking the tests has increased, the average score has fallen: In 2013, about 57% of exams had a score of 3 or higher, down from 61% a decade earlier.