A teen was stabbed in the back during a brawl outside a Midtown Manhattan high school Monday, police said. The victim was in a fight with a group of teens outside the High School for Environmental Studies on the corner of W. 56th St. and Tenth Ave. just after 3 p.m., cops said. An 18-year-old was kn ifed during the fracas. Medics took him to nearby Mount Sinai West where he is expected to recover. Medical supplies are pictured at the scene of a stabbing at the corner of 10th Ave. and W. 52nd St. in Manhattan on Monday, March 17, 2025. (Barry Williams/ New York Daily News) It wasn’t immediately clear if the teen is a student at the school, which had dismissed for the day about 20 minutes earlier. There were no arrests as cops continued to investigate. ...read more read less