The Dr. William W. Henderson Inclusion School in Dorchester is closed Thursday after a principal and another staff member were attacked by a student during dismissal Wednesday.
When Boston Police arrived, an officer found Upper Campus Principal Patricia Lampron unconscious on the ground being tended to by staff members. She was taken to a hospital for treatment of serious injuries which are considered to be non-life-threatening.
According to WBZ-TV I-Team sources, the 61-year-old principal suffered broken ribs and a head injury.
A 16-year-old girl was arrested and will be arraigned in Dorchester Juvenile Court on assault and battery charges.
