September 19, 2011 6:04 pm Catholic H.S. Teachers, Students Heading Back to Class Catholic high school teachers in Philadelphia have ended their strike. That means more the 16,000 students can go back to school on Tuesday. US & World Videos 0:20 Teen girl shot in Southwest Philly, suspect in custody 0:27 FBI inspects American Airlines plane at PHL after bomb threat 1:40 Penn officials urging pro-Palestinian protesters to pack up and leave campus 2:17 Clear the Shelters: Meet Tails 0:38 Jury says Philly owes $16 million for wrongfully convicted man