Enrollment at the company's flagship school, which offers associate's, bachelor's and graduate degrees, tumbled to 319, 700 in the latest quarter from highs of nearly a half-million students in 2010.

WSJ: Apollo to Offer Course on Business Innovation

Increasing the retention of STEM majors to just 50 percent would generate approximately three-quarters of the targeted 1 million additional STEM graduates over the next decade - adding approximately 75, 000 more STEM graduates with bachelor or associate degrees each year.

WHITEHOUSE: One Decade, One Million more STEM Graduates

If you've got some college or an associate's degree, less than a bachelor's degree, it's higher but it's lower than at national average, 7.72 percent.

CNN: Transcript of June 'CNN Money Summit: Money & Main St.'