CRYSTAL LAKE – Two Crystal Lake high schools are scheduled to conduct “code red” lockdown drills Tuesday, but they will not include simulated gunfire that caused so much controversy in a similar drill last month at Cary-Grove High School.

Objections from some parents about the use of starter pistols in the Cary-Grove drill made headlines locally and led to media coverage in Chicago and the nation.

Crystal Lake Central and Prairie Ridge are the final two District 155 high schools to participate in the drill, which was planned in the fall.