Four students were stabbed and slashed in three separate clashes on the grounds of Big Apple high schools Tuesday afternoon, cops and sources said. The wave of violence in a little more than an hour saw two students knife each other in Hell’s Kitchen at a building that houses several schools, another student slashed in a gang attack inside the Evander Childs Educational Campus in the Bronx and fourth person stabbed at the Queens High School of Teaching, Liberal Arts and the Sciences. The Hell’s Kitchen incident erupted during a 1:20 p.m. fracas where two boys were knifed — one...
