Students in John Carroll's 11th grade English class at Shandon High School run through a lockdown drill.
Students in John Carroll's 11th grade English class at Shandon High School run through a lockdown drill. jjohnston@thetribunenews.com
Students in John Carroll's 11th grade English class at Shandon High School run through a lockdown drill. jjohnston@thetribunenews.com

Lockdowns at local schools: What happens when there's a crisis on campus

June 10, 2015 11:07 AM