Classroom Questions Questions for ‘Do school-shooter drills hurt students more than they help?’ Schools often invite police officers in to make students more comfortable with them in case of an emergency. Now many schools have added drills that make children practice lockdowns or strategies to run, hide or fight. SDI Productions/E+/Getty Images Share this:EmailFacebookTwitterRedditGoogle ClassroomPrint By Science News for Students February 20, 2020 at 6:40 am Classroom questions are available for free with registration. Learn more Register to access: Client key* E-mail* Log in Already Registered? Enter your e-mail address above.