A shooting at a small Christian school in Madison, Wisconsin, on Monday, left a teenage student and a teacher dead and several others injured, casting the small religious community into mourning just days before the school was going to close for Christmas.

The shooting occurred in a study hall and was reported to police by a second grader, police said at a Monday night press conference. Wisconsin police identified the shooter as a 15-year-old female student.

At least six other people were injured in the shooting at Abundant Life Christian School in Madison, according to police.