Officers assigned to District 13 monitoring dismissal at English High School this afternoon were approached by a 16-year-old male who stated that at about 2:00pm he was robbed while standing in the track area of the school. The victim reported that one of the suspects asked him for money and the victim complied. The suspect then demanded more.When the victim refused a second suspect pulled a knife and demanded the victim’s wallet. The victim fled on foot with three suspects chasing him. One of the suspects grabbed the victim, pushed him down, and held the knife to him. The victim sustained injuries from the fall. The officers transported the victim around the school grounds and the victim was able to positively identify all three suspects. Officers also recovered a knife from one of the suspects. Officers arrested three juveniles age: 12, 14 and 15, all from Mattapan. The three are charged with Delinquency to wit: Armed Robbery, and Assault and Battery by Means of a Dangerous Weapon. They will all be arraigned in Juvenile Court tomorrow.