Theodore Beckles, 19, Fatally Stabbed Outside Independence High School in Manhattan A 19-year-old student died after being stabbed outside his high school in Manhattan on Thursday afternoon, the police said. The victim, Theodore Beckles of the Bronx, was a student at Independence High School, on 56th Street between Ninth and 10th Avenues, according to Marge Feinberg, a spokeswoman for the Education Department. Mr. Beckles was arguing with a group of students from the High School for Environmental Studies, which is housed in the same complex as Independence, on the sidewalk outside the building when he was attacked around 2:40 p.m., Ms. Feinberg said. The police said he was stabbed in the abdomen. Officials did not explain the nature of the argument. Mr. Beckles was pronounced dead on arrival at NewYork-Presbyterian Hospital/Weill Cornell Medical Center, the police said. No arrests had been made in the case.