Six stitches were needed to close the wound. Investigators say the weapon was either a knife or box cutter.
The boy is not in custody.
Student, 13, accused of stabbing teacher
September 9, 2010 (CHICAGO) Police say the 27-year-old male teacher was breaking up a disturbance in the hallway at Pickard Elementary School as classes were ending for the day when he was bumped into by a 13-year-old boy.
The teacher felt pain in his left shoulder and realized he had been cut.
