August 12, 2011 5:44 pm One in Five Students Drop Out Overall, 74% of high school students graduated on time. Inland Empire schools graduated 70% of its 2010 class. One school in Rialto is aggressively tracking students to improve those numbers. US & World Videos 1:50 Mexico's historic presidential election comes amid violence 2:26 2 brothers shot to death in Exposition Park 3:39 WeHo celebrates Pride weekend 2:00 Deadly double shooting in Exposition Park 1:03 Bee swarm shuts down Manhattan Beach Pier