Lake County prepares students for active shooter drills Students as young as kindergartners are learn active shooter training in school. The drills are required following the Parkland shooting. The district has created a video for students to watch to familiarize them with what to expect. each school will have to complete at least two drills a year, which will be handled like fire drills. The video shows elementary school students being instructed to quietly run to an exit away from a fictional shooter.