Cedar Springs High School all clear after deputies investigate early morning threat File photo and last updated 2021-04-19 11:37:14-04 CEDAR SPRINGS, Mich. â Cedar Springs Public Schools say law enforcement responded to the high school after they received a bomb threat Monday morning. KCSO on scene of a bomb threat that was received prior to school starting at Cedar Springs High School. All buses were diverted to Middle School. KCSO K-9 on scene to conduct building sweep. On-going investigation. Will continue to update.— Kent County Sheriff's Office (@KentSheriff) April 19, 2021 Students and staff were moved to a secure location while Kent County Sheriff's office deputies searched the building.