This study tracked a subset of Florida's 2000–2001 and 2001–2002 high school seniors who took a college algebra placement test. Students who passed the test (with a score very near the cut-off for eligibility) and enrolled in a rigorous dual enrollment college algebra class were 16 percent...

This study tracked all of Florida's 2000–2001 and 2001–2002 high school seniors and found that students who participated in dual enrollment classes on college campuses were 12 percent more likely to go to college and 7 percent more likely to earn a bachelor's degree than similar students who...