The student brought a 3 1/2-inch knife to his high school Monday morning, cops said.
The boy was taken to Brooklyn Hospital for leg injuries, officials said.
Leaders called for changes on Thomson Avenue in Queens, where Tenzin Drudak was struck and killed Monday.
Tenzin Drudak, 16, was killed when a minivan jumped the curb at Thomson Avenue and 30th Street.
A Queens student was arrested for organizing a mass performance of the "Harlem Shake" dance craze.
Shaniesha Forbes, 14, was found dead with burns on her body on Sunday morning, police said.
Parents and alumni of St. Jude School say school officials aren't helping them save the school.
Bakary Camara was sentenced Wednesday for the brutal slaying of 36-year-old Rita Morelli.
Bakary Camara pleaded guilty to killing student Rita Morelli Monday as his trial was set to begin.
Horace Mann grads have been returning their diplomas to the school in protest of a sex abuse scandal.
Bakary Camara now faces first-degree murder, rape and other charges for the stabbing of Rita Morelli.
A bombshell Times story revealed years of alleged sexual abuse at the Horace Mann School.
Columbia University is one of several universities to be targeted by NYPD counter-terrorism efforts.
Gregory Atkins, 56, has been indicted on charges he sexually abused a student at P.S. 87.
Bakary Camara, 41, is charged with the murder of an Italian woman he once dated, Rita Morelli.
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