A second-grader at a St. Louis elementary school was found with a loaded handgun on school grounds last week, officials said. St. Louis Public Schools said the weapon was found during recess on Friday when a teacher at Pamoja Preparatory Academy picked up on “unusual behavior.” A second-grader at a St. Louis elementary school was found with a loaded handgun on school grounds last week, officials said. St. Louis Public Schools said the weapon was found during recess on Friday when a teacher at Pamoja Preparatory Academy picked up on “unusual behavior.”