ZIONSVILLE, Ind — Zionsville Community Schools says all campuses have returned to normal operations after a threatening call involving Zionsville Community High School prompted a lockdown Thursday morning. According to the district, the Zionsville Police Department received a threat specific to the high school. Superintendent Dr. Rebecca Coffman told parents and guardians that students and staff responded well during the situation. “Teaching and learning continued as normal inside our middle and elementary schools, and high school students remained in class and received regular updates via the PA from school leaders.” The district says anyone with information about the person responsible for the threatening call should contact the Zionsville Police Department at 317-873-5967.